Showing posts with label carcinogens. Show all posts
Showing posts with label carcinogens. Show all posts

Wednesday, April 22, 2015

Popular Weedkiller a carcinogen: WHO

The herbicide glyphosate is a "probable
carcinogen," cancer research agency says.
The active ingredient in Roundup, one of the world's most popular weed killers -- and the most commonly used one in the United States -- has been declared a "probable carcinogen" by the World Health Organization.

The International Agency for Research on Cancer, an arm of the WHO, recently released the results of its review of five herbicides and pesticides.

The French-based agency ranks cancer-causing agents on four levels: known carcinogens, probably or possible carcinogens, not classifiable and probably not carcinogenic.

The herbicide glyphosate, the active ingredient in Roundup, was classified by IARC as "probably carcinogenic to humans."

But the classification is not binding, said the IARC.

"It remains the responsibility of individual governments and other international organizations to recommend regulations, legislation or public health intervention," the agency said in a statement.

According to the Associated Press, the United States Environmental Protection Agency said it would consider the IARC's evaluation.

The IARC did clarify that the new ruling is mostly directed at the industrial use of the herbicide, and that use by home gardeners does not fall under the same classification.

Glyphosate is employed in more than 750 herbicide products and has been detected in the air, during spraying and in foods, reports the IARC.

The determination is sure to alarm the agro-chemical industry and particularly Monsanto, the agribusiness giant that is the leading producer of glyphosate.

Worldwide annual sales of the chemical are estimated at $6 billion.

The company put out its own statement: "All labeled uses of glyphosate are safe for human health," said Monsanto's Phil Miller, global head of regulatory and government affairs.

“We don’t know how IARC could reach a conclusion that is such a dramatic departure from the conclusion reached by all regulatory agencies around the globe,” said Miller.

Monsanto requested an urgent meeting with the World Health Organization to clarify the scientific basis of the ruling.

A summary of the agency's findings was published in the British journal Lancet Oncology.

Source: International Business Times

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Monday, February 2, 2015

E-cigarettes produce formaldehyde: Study

Electronic cigarettes can produce more formaldehyde than regular cigarettes

Formaldehyde is a probable
human carcinogen.
A preliminary study in the New England Journal of Medicine raises a new worry about electronic cigarettes – exposure to formaldehyde.

Under certain conditions, taking 10 puffs from an e-cigarette would expose a user to about 2.5 times as much formaldehyde as he or she would get from smoking a single tobacco cigarette, according to the study.

Formaldehyde is the pungent chemical that was used to preserve the frog you dissected in your high school biology class.

It’s used as an industrial disinfectant and as an ingredient in permanent-press fabrics, plywood, glues and other household products, according to the National Cancer Institute.

It is also formed when the propylene glycol and glycerol in e-cigarette liquids and oxygen are heated together.

The World Health Organization’s International Agency for Research on Cancer says formaldehyde can cause leukemia and nasopharyngeal cancer. The U.S. Environmental Protection Agency considers the chemical a “probable human carcinogen.”

In experiments at Portland State University, researchers used a tank system type of electronic cigarette to produce nicotine vapor.

The e-liquid vapor was captured in a tube and analyzed using a technique called nuclear magnetic resonance spectroscopy. Each sample consisted of 10 puffs of vapor (at 3 to 4 seconds per puff) collected over 5 minutes.

When the e-cigarette was used on the “low voltage” setting of 3.3 volts, the researchers didn’t detect any formaldehyde in the vapor. However, when the device was on the “high voltage” setting of 5 volts, they measured an average of 380 micrograms of formaldehyde per sample.

Based on these results, the research team estimated that an e-cigarette user who vaped 3 milliliters of e-liquid per day would breathe in at least 14.4 milligrams of formaldehyde. The actual daily exposure is probably higher, they wrote, because their experiments failed to capture all of the vapor the e-cigarette produced.

For the sake of comparison, a 2005 study in the journal Regulatory Toxicology and Pharmacology estimated that a person who smoked a pack of 20 cigarettes would inhale 3 milligrams of formaldehyde in the process.

The researchers calculated that the lifetime cancer risk incurred by inhaling formaldehyde would be 5 to 15 times higher for long-term e-cigarette users than for long-term tobacco smokers.

Proponents of electronic cigarettes were quick to criticize the study for testing the devices under conditions that don’t reflect actual use.

If a person were to take 4-second puffs on a high voltage setting, they would experience a “very harsh and awful taste,” Bill Godshall, an advisor to the Consumer Advocates for Smoke-free Alternatives Assn., said in a statement distributed by the American Vaping Assn.

Gregory Conley, the group’s president, added that e-cigarette users take shorter puffs as they increase the voltage on their devices. “These are not settings that real-life vapers actually use,” he said.

But study coauthor James Pankow, a chemistry professor and expert on cigarette smoke dangers at Portland State University, said the line between e-cigarettes and tobacco cigarettes was growing fuzzier by the day.

“No one should assume e-cigarettes are safe,” he said in a statement. “For conventional cigarettes, once people become addicted, it takes numerous years of smoking to result in a high risk of lung cancer and other severe disease; it will probably take five to 10 years to start to see whether e-cigarettes are truly as safe as some people believe them to be.”

Source: Los Angeles Times

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Wednesday, November 12, 2014

Boston area shop owners opt for carcinogen-free business

The dry-cleaning chemical perc has
been linked to cancer and health issues.
When Myra Vargas and her husband took over a dry-cleaning business in Jamaica Plain last spring, they had to make a tough decision: whether to use a common chemical called perchloroethylene, known as perc, or institute a costly change.

Vargas knew that perc, which they’d been using to clean clothes at their Roslindale shop for nearly two decades, was dangerous.

Years earlier, she’d been warned to stay away from it while pregnant. But she’d recently learned that perc probably causes cancer in dry-cleaning workers.

“We went seventeen years using something that was dangerous for everybody,” she says.

Extra encouragement to make the change to a safe system known as wet cleaning came from a group called Jamaica Plain New Economy Transition, but it wouldn’t be easy.

The couple would need to buy all new machinery and pay to get rid of their old, perc-based equipment. And making the switch would cost more than $100,000, a daunting hurdle. Plus, they’d heard conflicting stories about whether wet cleaning worked as well. But then the project helped them get a $15,000 state grant and launch a Kickstarter campaign that raised another $18,000.

On September 11, J&P Dry Cleaners celebrated its grand opening as the neighborhood’s only wet cleaner and one of only about a dozen in the state.

The shop’s opening was the first success in an ambitious effort to rid Jamaica Plain businesses of chemicals likely or suspected to cause cancer.

Across the nation, Main Street businesses routinely use such chemicals: at beauty and nail salons, hair straighteners and polishes that may release formaldehyde, for instance; at auto shops, brake cleaners that can include perc and solvents with trichloroethylene.

By persuading companies to switch to safer alternatives, the JP project aims to create locally what its leaders are calling “a cancer-free economy.”

Although nationally cancer rates are declining slightly, an estimated 1.7 million Americans will be diagnosed with the disease this year and more than half a million will die of it.

But most of us don’t need stats to tell us there’s a lot of cancer around — everyone seems to know someone.

“Not enough effort, not enough research, not enough funds have been directed toward upstream efforts to prevent carcinogens from getting into the human environment in the first place,” says Richard Clapp, an epidemiologist at the University of Massachusetts Lowell Center for Sustainable Production, which is partnering on the Jamaica Plain project.

 “How do we get to the point where we don’t pour this fire hydrant of carcinogenic chemicals into the environment?”

To be sure, exposure to chemicals doesn’t cause all (or even most) cancers. The American Cancer Society attributes 30 percent of US cancers to cigarette smoking and 35 percent to poor diet, inactivity, and obesity.

Other factors, such as genetics and infections, also contribute. But any given cancer case is now understood to have more than one cause, Clapp argues, so the idea of dishing out blame to one factor is flawed.

The JP project, which received a $20,000 grant from UMass Lowell’s Toxics Use Reduction Institute last year and was recently awarded another, is gearing up to approach other neighborhood businesses like auto shops and beauty salons.

And it’s trying to persuade local hospitals, hotels, and senior living facilities to use Vargas’s shop for dry cleaning.

In addition to reducing carcinogens, the project aims to support minority- and immigrant-owned small businesses in JP’s gentrifying economy — communities all too often left out of environmental and health discussions.

The Lowell Center for Sustainable Production is taking an even wider-angle look at creating cancer-free economies.

In partnership with two national groups, it secured foundation support — around $1 million for each of the next three years — to build a network of organizations that will strategize how best to wean the national economy off cancer-causing chemicals, then fund a series of initiatives to help do just that.

Whether the JP project or even the national one can credibly reduce our economic dependence on carcinogens remains to be seen. But we need more of this kind of bold, creative thinking.

And if we want businesses, especially small ones, to change their ways, they are going to need help.

Fortunately, Massachusetts has other like-minded initiatives, including Boston’s Green & Clean small-business certification program and the Toxics Use Reduction Institute’s statewide assistance program.

Without the JP project’s help, Vargas says she would never have given up perc.

But she’s thrilled with the decision: There’s no chemical smell in the shop, wash loads take half the time and less energy, and the whites come out whiter. Her utility bills have dropped, and there are no more fees for disposing of perc.

“At the end, it’s worth it, because now we see the results,” she says. “People like it. It’s better.”

Vargas is planning to send other neighborhood business owners to the group and is helping spread its message of a carcinogen-free Jamaica Plain.

“It’s a big problem and a hard process . . . for them to convince people,” she says. “But I’m hoping they do it.”

Source: Boston Globe

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Friday, October 31, 2014

Three schools closed due to asbestos scare

Airborne asbestos fibers are carcinogenic.
A beleaguered Huntington Beach school district has now closed three of its campuses because of an asbestos scare, leaving 1,300 students without a school to attend.

The three grade schools were closed when parents learned that their children could have been exposed to potentially carcinogenic asbestos while the Ocean View School District worked to modernize school sites.

Since then, hundreds of parents have been uncertain when and where their children would return to the classroom.

The school district is losing about $63,000 a day in state funds because students cannot attend class.

About 100 families have requested that their children be transferred to schools in other districts.

"There's no way I can trust my son is going to be safe there anymore," said parent Lily Coffin, who said she hoped to move her son to the neighboring Huntington Beach City School District.

District trustees voted during a special meeting to close Lake View, Hope View and Oak View elementary schools, while classrooms were cleaned and tested to make sure they were free of potentially carcinogenic asbestos dust. Lake View was later closed indefinitely, and now the district has decided to keep the other two schools closed indefinitely as well.

"Recently, we received information from our consultants and experts that it is not in the best interest of students and staff to reopen these three schools until we obtain additional information," said Gustavo Balderas, Ocean View's superintendent.

While the district has determined it can move students from Lake View to other campuses in the district, it’s unclear what will happen with the 1,300 students from the other campuses.

Ocean View officials have said they were aware that asbestos has been in their schools for decades. However, parents became upset when they learned the district may have been removing the material as part of a large-scale modernization project while students were present.

Ongoing testing revealed there was asbestos in two classrooms at Lake View, while a single asbestos fiber was found in a classroom at Hope View. Test results from Oak View were inconclusive, officials said.

The district said it will test for asbestos during the next several weeks at all 11 schools in the district. The cost of the tests is about $700,000, said Assistant Supt. Roni Ellis.

Construction has been suspended at every school until the summer and the district.

Cal/OSHA, is investigating whether contractors continued to remove asbestos while students were in classrooms, which would violate state law.

Ocean View officials could not yet provide an estimate of the number of families who have applied for transfers.

The loss of state funds and the cost of asbestos removal could leave the district in financial trouble. Officials said they may end up asking the state to help with costs.

Asbestos is a mineral fiber that until the 1970s was widely used in building products and insulation materials. The fibers can be released into the air during demolition work, repairs and remodeling, according to the U.S. Consumer Product Safety Commission.

When Lake View, Oak View and Hope View schools were built decades ago, asbestos was used as fireproofing on metal beams above the ceiling. Over time, the dust began to fall from the beams and settle on top of classroom ceiling tiles, district records show.

Though coming into contact with asbestos that hasn't been disturbed isn't harmful, it becomes a hazard when the dust becomes airborne, said Steven Viani, a registered civil engineer and engineering contractor with experience in asbestos and other hazardous materials.

Inhaling high levels of the dust can increase the risk of lung disease that isn't detected until years later, including a type of cancer called mesothelioma, experts say.

Teachers have expressed concern that they weren't notified about the asbestos above the tiles and said the district should have placed signs restricting access to limit the risk of the dust becoming airborne.

Source: LA Times

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Friday, October 24, 2014

List of cancer-causing chemicals grows

Many chemicals have been linked to
cancer, researchers say.
Four new substances have been added to a list of chemicals that may cause cancer compiled by the U.S. Department of Healthand Human Services (HHS).

The list of known carcinogens now includes a chemical called ortho-toluidine, which is used to make rubber chemicals, pesticides and dyes.

Recent research has linked the substance to bladder cancer in people.

Three other substances were added to a list of agents that are "reasonably anticipated to be human carcinogens."

These include a cleaning solvent called 1-bromopropane, a wood preservative mixture known as pentachlorophenol and cumene, which can be found in fuel products and even tobacco smoke.

"Identifying substances in our environment that can make people vulnerable to cancer will help in prevention efforts," Linda Birnbaum, director of the National Institute of Environmental Health Sciences and the National Toxicology Program, said in a statement.

"This report provides a valuable resource for health regulatory and research agencies, and it empowers the public with information people can use to reduce exposure to cancer-causing substances."

Ortho-toluidine was originally classed as "reasonably anticipated" to be a human carcinogen in 1983. But HHS scientists re-evaluated the substance, looking at three studies of dye workers and two studies of rubber-chemical workers who were regularly exposed to ortho-toluidine.

They found enough evidence of a link between ortho-toluidine exposure and an increased risk of bladder cancer to call the chemical a known carcinogen, according to HHS. Rats also developed bladder tumors after they ingested ortho-toluidine.

Ortho-toluidine is no longer produced in the United States, but at least 1 million lbs. (450,000 kilograms) of the substance is imported into the country each year, according to HHS.

The people who have the greatest risk of exposure are employees who work in chemical plants where ortho-toluidine is used to make rubber chemicals, dyes and pesticides.

HHS officials said they didn't have enough evidence to definitively prove that exposure to the other three chemicals can cause human cancers. But these substances do cause rats and mice to develop tumors, according to the agency.

In experiments, rodents that inhaled fumes of 1-bromopropane — a colorless to light yellow liquid solvent — developed tumors in several organs, including their skin, lungs and large intestine.

The substance is used as a cleaner for optics, electronics and metals. It has also become popular in dry cleaning as a replacement for perchloroethylene, another chemical considered a health and environmental hazard.

Mice that inhaled cumene fumes developed lung tumors and liver tumors, according to HHS's review. The flammable liquid with a gasoline-like odor is found in coal tar and petroleum, as well as tobacco smoke. It is used primarily to make acetone and phenol.

Pentachlorophenol — a substance used to treat utility poles, wood pilings and fence posts — caused tumors in the liver and other organs of mice.

In small studies of humans, exposure to this compound was associated with an increased risk of the blood cancer non-Hodgkin lymphoma, but the HHS said it considered the evidence too limited to call pentachlorophenol a known carcinogen.

The HHS's 13th Report on Carcinogens, which now includes 243 listings total, is available online: http://ntp.niehs.nih.gov/pubhealth/roc/roc13/index.html

Source: LiveScience

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Thursday, October 9, 2014

Dangerous chemical in Southern California air

Polluted outdoor air can become a problem indoors.
Regional air-quality officials are trying to find the source of a cancer-causing chemical discovered recently in Jurupa Valley at levels about four times higher than the average for urban Southern California.

“There is no cause for alarm, but we are looking into it because it is a bit unusual,” said Philip Fine, an assistant deputy executive officer for the South Coast Air Quality Management District.

The chemical is methylene chloride, a common industrial solvent used as a degreaser and paint stripper. It is very volatile, so it’s also used as an aerosol spray propellant and as a blowing agent for polyurethane foams.

Jean Ospital, the air district’s heath-effects officer, said the levels found in Jurupa Valley are too low to have short-term health effects.

But the long-term effect is a concern, Ospital said. The cancer risk is estimated at 7 cases per 1 million people over a 70-year lifetime, and the air district wants to eliminate that risk, he said.

“This risk is high for just one chemical, and it’s higher than the other communities in the air basin,” Ospital said.

In Jurupa Valley, the total cancer risk for all other sources of air pollution, including diesel soot, is 385 cases per 1 million people.

Fine said the air district first noted methylene chloride spikes in outdoor air samples taken at the district’s air monitoring station in the Rubidoux area of Jurupa Valley in late 2012 when collecting data for an air toxics study.

He said the district also found elevated levels in recent samples, as well as in samples collected separately by the state Air Resources Board, which monitors air quality for California’s Environmental Protection Agency.

The source, however, remains a mystery.

METHYLENE CHLORIDE
What: A volatile industrial chemical with a chloroform-like odor.
Uses: Paint stripping, paint remover, metal cleaning, degreasing, resin production, solvent distribution.
Industries: Pharmaceutical, adhesive and film base manufacturing.
Health effects: Cancer potential with long-term exposure. Short-term exposure to high concentrations may cause mental confusion, light-headedness, nausea, vomiting and headaches.
 
Air district officials have examined wind directions and other meteorological data, but they have been unable to trace the pollution to a residence or business, Fine said.

In 2004 and 2005, air quality officials found similar spikes in methylene chloride in Long Beach, and never were able to find the source.

Fine said the chemical is found in paint-stripping products readily available at retail stores such as Home Depot and Lowe’s. The air district, he said, may re-evaluate how it regulates such products, he said. It already has rules limiting the volatility of paints and varnishes because fumes contribute to the formation of smog.

While regional air quality is improving, Jurupa Valley has pockets of people living near freeways, railroads and warehouses who are exposed to higher levels of pollution.

Penny Newman, executive director of Jurupa Valley-based Center for Community Action and Environmental Justice, said several industries in the area may be using industrial solvents.

“It is disturbing that they don’t know where it is coming from,” Newman said.

Methylene chloride isn’t the first unusual type of pollution in Jurupa Valley.

In 2008, the air district disclosed that it had found elevated levels of cancer-causing hexavalent chromium in the Rubidoux area.

District officials later traced the pollution to the TXI Riverside Cement plant, which was found to be releasing chromium-tainted cement dust into the community.

TXI was cited for dust violations and agreed to pay $1 million in penalties and to make changes to its operations in ways that greatly reduced dust emissions.

Source: The Press Enterprise

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Friday, October 3, 2014

Warehouse workers tested for PCB exposure

The warehouse has been closed and
workers sent home until further notice.
A Walmart returns processing center in Indianapolis is contaminated with a toxic substance, and hundreds of workers at the evacuated facility are now undergoing medical testing to see if they were exposed.

The contamination involves a massive warehouse, where logistics company Exel processes merchandise returned from Walmart retail stores.

The warehouse now sits empty after Exel ordered nearly 600 full-time and contract workers to evacuate the processing center on August 20.

On that day, supervisors met with employees at 3:45pm to announce the facility was shutting down immediately.

During the meeting, employees were not told the reason for the shut-down, only that they would continue to receive their normal pay and benefits and would not return to work until further notice, according to a longtime worker who asked not to be identified.

Five days later, Exel managers again met with employees at a nearby hotel to explain Walmart discovered the presence of a strange substance within the facility.

Testing showed the substance to be PCBs or polychlorinated biphenyl, a synthetic organic chemical compound that is highly toxic and classified by the US Environmental Protection Agency as "probable human carcinogens." The EPA says studies in animals provide conclusive evidence that PCBs cause cancer.

Over the past two weeks, Exel employees have been reporting to an east-side medical laboratory for blood tests, which Exel hopes will shed light on which employees were exposed to the PCBs and what impact - if any - the exposure might have on their health.

"It's a situation that continues to evolve, and we're working diligently with Walmart to understand it more," said Exel Vice President of Communications Lynn Anderson.

"We took an overly cautious role and decided we wanted to get out of the building right away. We are really trying to understand the extent of the contamination and the exposure and what it means for the future and the facility."

A Walmart company spokesperson says that Walmart made a joint decision with Exel to close operations "out of an abundance of caution."

"Walmart immediately hired an environmental consulting firm after a contractor servicing a return center we lease discovered the presence of PCBs, or polychlorinated biphenyls. Additional testing confirmed PCBs were present in the building, which is operated by a contractor, Exel Inc. We made a joint decision with Exel to close the facility out of an abundance of caution.

"Both the U.S. Environmental Protection Agency and the Indiana Department of Environmental Management (IDEM) have been informed and are investigating this matter. We are cooperating with the investigation, and early indications suggest that the contaminant is in the building materials.

"We have made arrangements for returned products from our stores to be sent to other return centers."

Unusual particles discovered

Anderson says the contamination was discovered by accident, while equipment was being moved inside the plant. That's when workers found an unusual residue and "particles that didn't look right."

Walmart hired a third-party company to test the residue, and according to Exel, the testing revealed the presence of PCBs.

How much PCBs and where did they come from? Exel and its employees are still looking for answers.

Exel plans to begin its own independent testing at the abandoned warehouse this week. In the meantime, it is actively looking for another facility to resume its operations. Exel has not ruled out the possibility of returning to the contaminated facility, but says that is unlikely - at least in the short-term.

Since the evacuation, Exel has hosted two face-to-face meetings with affected employees to provide them with information, and another meeting is scheduled for early October.

At the last meeting, workers were encouraged to take advantage of free blood tests.

PCBs are considered very dangerous to human health, and they are very hard to destroy. Banned in the United States for decades, they were commonly used as coolants and stabilizers in products such as fluorescent light ballasts, transformers, paints, cements, electrical components, pesticides, lubricating oils and sealants.

A known carcinogen, PCBs are linked to other serious health concerns including negative impacts on the immune, reproductive and neurological systems.

Source: 1340 AM WBIW

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Friday, September 12, 2014

Coal ash to blame for cancers in PA prison: Report

A high rate of cancer among inmates at a southwestern Pennsylvania prison is linked to a nearby coal ash dump, and the correctional facility should be closed down, according to a recent report.
Black dust was seen settling on prison
grounds, experts say.

Eleven prisoners died of cancer from 2010 through 2013, and six others have been diagnosed with cancer at the State Correctional Institution Fayette, said the report, released by the Abolitionist Law Center, a public interest law firm based in Pittsburgh, and the Human Rights Coalition, a national prison reform group.

SCI Fayette has a higher inmate death rate than all but two other prisons in the state, both of which have high geriatric populations, it said.

A 12-month investigation found that blowing coal ash was the most likely cause of the inmate cancers as well as other illnesses at the facility.

Inmates quoted in the report described black dust blowing from the dump and settling onto the prison and its grounds.

The report calls for SCI Fayette, which houses 1,986 inmates and has 677 staff, to be shut down. The medium security facility was built for $119 million and opened in 2003. All of the state’s license plates are made there.

Coal ash, also known as fly ash, is the residue of burning coal in a power plant. It was used extensively in Pennsylvania in the 1960s and 1970s in mine reclamation projects, notably in the effort to control a mine fire under the town of Centralia.

Its carcinogenic components, including lead, arsenic and mercury, were revealed in a 2010 report by a public interest group, Physicians for Social Responsibility.

“There is a strong correlation between confinement at SCI Fayette and the onset of serious health symptoms,” said Bret Grote, an author of the prison report. “There needs to be an independent and comprehensive study of the health of people at the prison and in the surrounding community.”

Officials at the state Department of Corrections are reviewing the report, a spokeswoman said.

“We take the health of our inmates and staff seriously,” said the spokeswoman, Susan McNaughton.

David LaTorre, a spokesman for the Pennsylvania State Correctional Officers Association, said it too would review the report carefully.

“We are aware of some officers from SCI Fayette who are suffering from illness,” he said.

Fly ash from two regional power plants was dumped at the Fayette County site for 60 years, said John Poister, a spokesman for the state Department of Environmental Protection.

No one answered the telephone at Matt Canestrale Construction Inc in Elizabeth, which owns the dump site.

Source: Reuters

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Monday, September 8, 2014

Gas workers may be exposed to dangerous levels of benzene: Study

Gas well workers exposed to benzene
have a higher risk for blood
cancers like leukemia, researchers say.
A new study this month reveals unconventional oil and natural gas workers could be exposed to dangerous levels of benzene, putting them at a higher risk for blood cancers like leukemia.

Benzene is a known carcinogen that is present in fracking flowback water. It’s also found in gasoline, cigarette smoke and in chemical manufacturing.

As a known carcinogen, benzene exposures in the workplace are limited by federal regulations under OSHA. But some oil and gas production activities are exempt from those standards.

The National Institute of Occupational Health and Safety (NIOSH) worked with industry to measure chemical exposures of workers who monitor flowback fluid at well sites in Colorado and Wyoming.

A summary of the peer-reviewed article was published online this month on a CDC website. In several cases benzene exposures were found to be above safe levels.

The study is unusual in that it did not simply rely on air samples. The researchers also took urine samples from workers, linking the exposure to absorption of the toxin in their bodies. One of the limits of the study includes the small sample size, only six sites in two states.

Dr. Bernard Goldstein from the University of Pittsburgh School of Public Health says the study is the first of its kind. Goldstein did not contribute to the study’s research, but he has conducted his own research on benzene. And he’s treated patients exposed to the carcinogen.

“These workers are at higher risk for leukemia,” said Goldstein. “The longer, the more frequently they do this, the more likely they are to get leukemia particularly if the levels are high.”

The study looked at workers who use a gauge to measure the amount of flowback water that returns after a frack job is initiated. A spokeswoman for NIOSH says none of their studies draw any conclusions about exposures to nearby residents, but focus specifically on workers.

But Dr. Goldstein says it shows that there could be potential risks to residents as well.

“We’re not acting in a way to protect the public who are at high risk,” said Goldstein. “And we can’t even tell you who is at high risk. Yet we’re rushing ahead in a situation where all of the data are telling us that there are risks.”

Authors of the NIOSH benzene study said that more research with larger sample sizes should be done, especially since there was so much variation in the levels observed at different times and well sites.

The researchers also listed a number of recommendations for industry to take to reduce benzene levels on the job site. These include changing tank gauging procedures, training workers, limiting exposure times, carrying gas monitors, using respiratory and hand protection, and monitoring exposure levels.

Source: StateImpact

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Thursday, August 21, 2014

Formaldehyde threat real: Chemical industry

Formaldehyde is often used in wood products and has
been linked to cancer and other health concerns.
For years, the chemical industry has been winning a political battle to keep formaldehyde from being declared a known carcinogen.

The industry’s chief lobby group, the American Chemistry Council, has persuaded members of Congress that the findings of both the Environmental Protection Agency and the Department of Health and Human Services were wrong and should be reviewed by the National Academy of Sciences.

In 2011, the academy did indeed criticize the EPA’s report on formaldehyde for being unclear. The chemical industry then used that critique to delay dozens of other ongoing evaluations of potentially toxic chemicals.

But recently, the academy issued a second report, which found in effect that government scientists were right all along when they concluded that formaldehyde can cause three rare forms of cancer.

“We are perplexed as to why today’s report differs so greatly from the 2011” report, Cal Dooley, president and chief executive officer of the American Chemistry Council, said in a statement titled “The Safety of Formaldehyde is Well-Studied and Supported by Robust Science.”

Part of the disparity is that in the 2011 report, Congress asked the academy only to critique the EPA’s draft assessment rather than evaluate the dangers of formaldehyde itself. The panel concluded that the EPA’s report was too long, repetitive and lacked explanation.

But after reviewing the scientific evidence itself, the academy concluded that formaldehyde is indeed a known carcinogen.

Formaldehyde is widely used in wood products and clothing.

In a blog posting, Jennifer Sass, a scientist at the Natural Resources Defense Council, called the American Chemistry Council’s efforts “a vicious attack on government scientific assessments [meant] to distort and discredit any evidence linking toxic chemicals to diseases, disabilities or death.”

Using the academy to review any negative findings from the EPA has become common tactic of the chemical industry.

The Center for Public Integrity reported in June that Rep. Mike Simpson, a Republican from Idaho, got the EPA to turn its negative assessment of arsenic over to the academy. At the same time, Congress also insisted that the EPA redo all ongoing assessments to address the criticisms of the 2011 formaldehyde review. Forty-seven assessments are affected.

The American Chemistry Council said in its statement that the academy “misses an opportunity to advance the science.”

Richard Denison, a scientist at the Environmental Defense Fund, countered: “One can only hope that this sorry episode and waste of public resources will help to expose the narrow self-interest of the industry, which for years it has deceptively sought to wrap in the mantle of sound science.”

Source: Center for Public Integrity

Concerned about chemical exposure at work or at home? Electrocorp has designed industrial-strength air cleaners with activated carbon and HEPA filters that can remove a wide range of indoor air contaminants, including chemicals such as formaldehyde, benzene and toluene as well as fine particles, mold, bacteria and viruses. Contact Electrocorp for more information and a free consultation.

Friday, August 1, 2014

Report lists agents and exposures that may lead to cancer

Welding can expose workers to
toxic fumes and particulate matter.
IARC listing prioritizes substances for evaluating carcinogenic risks

An advisory group to the International Agency for Research on Cancer (IARC) has published a report recommending and prioritizing chemicals, complex mixtures, occupational exposures, physical agents, biological agents, and lifestyle factors for IARC Monographs during 2015-2019.

IARC is the specialized cancer agency of the World Health Organization, and government agencies across the globe use its monographs as scientific support for their actions to prevent exposure to potential carcinogens.

These monographs identify and evaluate environmental factors that can increase carcinogenic risks to humans.

The report lists more than 50 recommended agents and exposures, and among those listed as high priority for the upcoming years are bisphenol A, 1-bromopropane, shiftwork, multi-walled carbon nanotubes, welding and welding fumes, and occupational exposure to pesticides.

Source: OH&S online

Concerned about toxic fumes and vapors at work? Electrocorp has designed industrial-strength air cleaners with activated carbon and HEPA for applications such as welding fume extraction, chemical processing, laser cutting and engraving and many more. Contact Electrocorp for more information and a free consultation.

Friday, January 17, 2014

California adds diisononyl phthalate to carcinogen list

More chemicals added to list of
carcinogens in California.
The Office of Environmental Health Hazard Assessment added a common plasticizer, diisononyl phthalate, to the list of carcinogens the agency maintains under Proposition 65, the Safe Drinking Water and Toxic Enforcement Act of 1986.

The listing has been effective since Dec. 20, 2013.

OEHHA's Carcinogen Identification Committee considered the scientific evidence for listing diisononyl phthalate and butyl benzyl phthalate, another additive used to make materials softer and more pliable, as carcinogens under Proposition 65, at a Dec. 5 meeting in Sacramento.

The committee determined the scientific data “clearly’’ showed diisononyl phthalate could cause cancer, a Dec. 12 notice showed. As to butyl benzyl phthalate, the committee voted against adding it to the list of carcinogens.

Proposition 65 requires California to maintain a list of chemicals known to cause cancer, birth defects or reproductive toxicity. Businesses must provide clear warnings whenever exposing the public to an unsafe level of a listed substance.

OEHHA's next step will be to establish a safe exposure level for diisononyl phthalate.

Both phthalates are high production volume chemicals, meaning they are made in or imported into the U.S. in volumes of 1 million pounds or more annually, according to the U.S. Environmental Protection Agency.

Butyl benzyl phthalate (BBP) is used in polyvinyl chloride products, including flooring tiles and carpet backing, and as additive in food packaging materials, medical devices, leather coatings, paint, adhesives and inks.

Since 2009, federal and California laws have restricted the sale and distribution of toys and child care articles containing BBP concentrations of more than 0.1 percent (1,000 parts per million).

Diisononyl phthalate (DINP) is a general purpose plasticizer used in a variety of products including vinyl flooring, wire and cable insulation, stationery, coated fabrics, gloves, toys, tubing, garden hoses, footwear, automobile undercoatings and roofing materials. The phthalate ester also is found in rubbers, inks, paints, lacquers and sealants.

California law bars the sale and distribution of toys and child care products with DINP concentrations that exceed 0.1 percent.

OEHHA's advisory committee listed DINP based on animal studies showing oral exposure increased the incidence of liver tumors, islet cell tumors of the pancreas and mononuclear cell leukemia (spleen) in male and female rats; kidney tumors in male rats; testicular cell cancer in male rats; and uterine tumors in female rats.

Several industry groups submitted written comments in November opposing the listing of DINP as a carcinogen.

OEHHA's hazard identification document for DINP didn't provide a balanced and complete summary of the scientific evidence, they said.

Source: Bloomberg News

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Friday, December 6, 2013

Lawsuit over pool chemical safety reinstated

Pool chemicals may be a health hazard.
A consumer group accused manufacturers of chlorine-detecting pool chemicals of violating state law by failing to disclose a cancer-causing ingredient, but an Alameda County judge dismissed their lawsuit because it failed to precisely identify the actual ingredient - which is also on the state's list of carcinogens.

But a state appeals court reinstated the suit.

The judge's hairsplitting is inconsistent with the disclosure law's purpose, "protection of the public from toxins," the appeals court said.

The suit was filed by Consumer Advocacy Group in 2007 and 2008 against eight makers or distributors of kits that test chlorine levels in swimming pools and spas.

The suit alleged that the products contained a chemical, orthotolidine, or OTO, that is on the state's list of substances known to cause cancer. A 1986 initiative, Proposition 65, requires businesses to warn the public of exposure to any chemical that can cause cancer or birth defects.

The manufacturers responded that the ingredient in their products was not OTO but another chemical, orthotolidine hydrochloride. That substance, which the appeals court described as a salt related to OTO, is also on the state's Prop. 65 disclosure list.

After a non-jury trial in 2010, Superior Court Judge Robert Freedman ruled that Prop. 65 required the consumer group to prove that the products contained OTO, but it had failed to do so.

He dismissed the suit and ordered the group to pay some of the manufacturers' court costs, which came to $60,000, according to the plaintiffs' lawyer.
The chemicals in question have been
linked to cancer in human beings.

In reviving the suit, the First District Court of Appeal said a public-protection measure such as Prop. 65 "must be construed broadly" to accomplish its goals.

The proper question in the case is whether the consumer group can prove that the products "exposed individuals to a listed chemical without a warning," said Justice Maria Rivera in the 3-0 decision.

The justices told Freedman to reconsider the case and decide whether the group's failure to specify the chemical had impaired the manufacturers' ability to put on a defense, and if not, whether they had violated Prop. 65.

Reuben Yeroushalmi, the consumer group's lawyer, said Wednesday that the manufacturers now have a Prop. 65 warning on their labels. He said the suit seeks penalty payments for past violations, which would be split 3-1 between the state and Consumer Advocacy Group.

The pool kits contain "one of the most insidious, dangerous products" sold in California, Yeroushalmi said. He said the group's lawsuits have prompted other companies to remove the ingredient from their products.

Stephen Marsh, a lawyer for the manufacturers, said the defendants are confident that they can show that they complied with Prop. 65.


Remove airborne chemicals with the right air cleaners

Storing or handling hazardous chemicals is always dangerous, but even when the products are not in use, staff may be exposed to chemical fumes and gases that can affect their health and well-being.

Electrocorp has designed commercial and industrial air cleaners with activated carbon and HEPA to remove harmful chemicals and particles in the most efficient manner.

Contact Electrocorp for more information.

Thursday, December 5, 2013

Dangerous chemicals applied in Indiana workplaces

Dangerous chemicals found inside Indiana restaurants, nursing homes, hotels and health clinics

Restaurants, hotels and health care
facilities might have been treated with
harmful pesticides.
Products such as Fipronil, more well known by its brand name Termidor, arrived on the market nearly a decade ago, and have since been adapted to a number of uses, including commercial and agricultural pesticides. It’s even used in very low doses in some pet flea treatments, including the brand name Frontline.

Used safely, as directed, Fipronil can be a game changer in the elimination of pests, especially ants.

The product works so well that it has to be diluted and combined with water when its sprayed as Termidor. It also comes with a long list of use restrictions backed by federal law.

The U.S. Environmental Protection Agency (EPA) lists Fipronil as a "possible human carcinogen," meaning it has the potential to cause cancer.

Termidor is only approved for outdoor use in areas far away from humans and animals. Using it indoors around children whose immune systems are still developing is of particular concern, the EPA noted.

But, in early 2012, state regulators began getting tips from whistle blowers alleging that wasn't what was happening in the field, and that the pesticides were being used indoors.

Last summer, investigators from the Office of the Indiana State Chemist (OISC), based at Purdue University, opened their first Fipronil case file, and began gathering samples across the state.

Swabs were taken inside restaurant kitchens and retirement homes, churches and health clinics, hotels and even grocery stores.

From Mooresville to Muncie, Bloomington, Greenwood, Indianapolis and dozens of other Central Indiana cities, nearly every test so far has come back positive for Fipronil.

OISC and the EPA are still gathering evidence on the effects of long term exposure to Fipronil, but both agencies are concerned by their findings so far.

The state fined one company, Ecolab, $18,000 for violations of Fipronil use. A settlement was recently reached requiring the company to pay $9,000 of that fine.

But Ecolab isn't the only company now accused of illegally applying Fipronil indoors.

State investigators are now tracking at least three additional active cases.

Investigators are also asking for the public’s help. Those looking to hire a pest control company should

  • ask if they are licensed with the state and the appropriate agency
  • get two or three references and use them
  • check the accuracy of what they have been told

The state’s ultimate goal is to cut the risk of indoor Fipronil use to zero.

Editor's note: This article has been edited for length.

Source: WishTV

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Wednesday, July 25, 2012

A greener resting place: Formaldehyde and funeral homes

Most Americans still choose
burial over cremation.
Image: FreeDigitalPhotos
The business of death is often a difficult one. How does a family put their loved one to rest? Do they choose cremation or burial? 

In 2010, more than 50 percent of Americans chose to bury their loved ones. 

Traditionally, burial practices have been difficult on the environment. What many people don’t realize, however, is that it is also very difficult on the morticians.

Although there is a trend toward greener burial practices:
  • Using biodegradable caskets
  • Dressing the deceased in clothing made from natural fiber
  • Using a combination of ethyl alcohol-polyethylene glycol for embalming
most bodies are still preserved with formaldehyde.

Formaldehyde is a known carcinogen, and morticians need to work with it almost daily as it is one of the major components used for embalming. 

From the mid-1800s to the early 1900s, arsenic was the chemical of choice for embalming. When its poisonous long-term effects were revealed, arsenic was replaced with formaldehyde.

Since the 1980s, formaldehyde has been studied for its ill-effects.

Many funeral homes have made some changes in the way they handle the product, but most continue to use it regardless of the greener alternatives that are now available. 

Though more effective protective gear is used and many mortuaries have installed ventilation units at their work benches, the noxious fumes are simply being moved from inside to outside. 


A safer, greener option for formaldehyde removal

The best way to rid both the indoor and the outdoor air of formaldehyde is to use an air cleaner, which can be attached to a ventilator. 

Electrocorp's RAP series is a perfect
complement to a ventilation system
Electrocorp’s RAP series will take the air ventilators have sucked out from the room and clean it with activated carbon filters. The carbon will adsorb the chemicals and either release clean air back into the workroom or push it outdoors (depending on the air-flow configuration of the ventilation system).

Using an air cleaner to complement the ventilation system will not only help eradicate the toxic effects of formaldehyde for people working in the industry, but it will also create a greener working environment that reduces its toxic output.

Have you considered what imprint you’d like to leave on earth?  Will you support green practices in funeral homes? 

Post your comments, questions and concerns and we’d be happy to reply.

Show your support for a greener, healthier work environment by becoming a follower of this blog.

For more information on Electrocorp’s air cleaners, call us toll free at 1-866-667-0297 or contact us through our website.  
   

Friday, November 25, 2011

Workplaces may expose women to breast cancer carcinogens

Women may be exposed to carcinogens at work, group says.
There are many factors that can increase the risk of a woman developing breast cancer, including being over 50 years old, having a family history, being childless, etc – but experts are warning about the role of environmental factors as well.

The Occupational Health Clinics for Ontario Workers Inc. (OHCOW), an organization dedicated to prevent occupational illnesses and injury and to promote the highest degree of physical, mental and social well-being of all workers, is pointing to carcinogens at the workplace as a possible reason for concern.

Some occupational factors  are related to higher rates of breast cancer, they say, and some exposures, especially at a younger age can be a factor.

They warn against exposure to
  • Polycyclic Aromatic Hydrocarbons (PAHs), potent atmospheric pollutants that occur in oil, coal, and tar deposits, and are produced as byproducts of fuel burning
  • Environmental tobacco smoke
  • Electromagnetic fields (EMF)
  • Pesticides – all workers should wear personal protective equipment (PPE) when handling hazardous materials

The best chance against breast cancer is early detection through regular examinations, they say.

Source: Cottage Country Now

When masks are not enough

It’s a sad fact that many masks keep out only dust and particles and let chemicals and gases through.

RAP Series: Versatile air cleaners
Employers need to be vigilant about the health and safety of their workers and ensure the workplace has adequate ventilation and safety measures in place. An industrial strength air cleaner can help keep remove dangerous contaminants and circulate cleaner air.

Electrocorp’s versatile and powerful air cleaners are equipped with deep-bed activated carbon filter and HEPA plus optional UV germicidal filtration to remove many chemicals, gases, odors, fumes, particles, dust, viruses, bacteria and molds.

Electrocorp’s comprehensive product line includes air cleaners for the office and for a wide range of other workplaces.

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