Contaminants: Chemicals, Metals and Particles
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Contaminants
General Information
NEWS:
CDC: American cigarettes contain more carcinogens
Dry Cleaning Chemical 'Likely' Causes Cancer “PERC really is a "likely human carcinogen," the National Academy of Sciences says. PERC is a chemical known as perchloroethylene or tetrachloroethylene. It's the solvent used by about 85% of U.S. dry cleaners, but is also used as a metal degreaser and in the production of many other chemicals. PERC is found in the air, in drinking water, and in soil. It can be detected in most people's blood, as well as in breast milk. What's the risk? In 2008, the Environmental Protection Agency (EPA) suggested that PERC be classified as a "likely human carcinogen." Moreover, the EPA found that PERC's most dangerous noncancer toxicity is brain and nervous system damage -- and set safe exposure levels well below levels that cause such damage.”
FDA tests lipsticks, finds lead in all
Is Clorox Really Coming Clean About Toxic Ingredients?
Mercury Exposure Due to Dental Fillings of Superfund Site Magnitude: Biologist
More Melamine-Tainted Milk Products Found in China “The announcement calls into question the effectiveness of a crackdown launched by Chinese officials to improve product safety after a number of scandals, including the contamination of baby formula in 2008 and the recent discovery of the toxic metal cadmium in cheap jewelry.”
Sales Receipts Contain Toxic Ingredient “A study released earlier this week by the environmental group Washington Toxics Coalition found that half of receipts spit out by modern cash registers and 95 percent of paper currency tested were tainted with bisphenol A. BPA was found in 11 of 22 receipts gathered from retailers in New York, nine other states and Washington, D.C. BPA is part of a powdery film used on receipts to produce a thermally activated ink, and has been in use in treated papers since the 1960s. It is also used in the manufacture of some plastics. BPA easily transfers from receipts to other items, including currency and human skin, where it can be absorbed into the body, according to the study. “
Study links thyroid disease to non-stick chemicals “Scientists have linked a chemical used in consumer goods like non-stick pans and water-resistant fabrics with thyroid disease, raising questions about the potential health risks of exposure to the substance. A study by British researchers found that people with high levels of the chemical perfluorooctanoic acid (PFOA) in their blood have higher rates of thyroid diseases -- conditions which affect the body's metabolism. PFOA is a common chemical, used in industrial and consumer products including non-stick cooking pans, stain-proof carpet coatings and waterproofing for fabrics.”
The perils of household plastics
ARTICLES:
Toxic America: Time for Reform “EDF: You mentioned the FEMA trailers in New Orleans earlier, and how the materials used to build them was brought in by China. But it wouldn't be legal to sell that wood in China, is that correct? RD: The Chinese producers of pressed wood products, including plywood, produce different grades of products for export to different countries. Because Europe and Japan, and now California, have stringent limits on formaldehyde in such products, they produce a line of products that can be sold into those markets. The rest of the U.S. has no such limit and that is how the high-formaldehyde plywood came into the U.S. and was used in making the FEMA trailers. China itself has imposed limits on the emission of formaldehyde from such products. So the products they are selling to the U.S. could not even be sold for domestic use in China.”
Toxic Effects of Lead and Mercury (Medscape Pediatrics 2009) “This article provides an overview of lead and mercury toxicity, including sources of exposure, adverse effects, treatment, and prevention. The primary goals are to impart an understanding of the toxicology of these metals[1] and to help the physician be prepared to counsel families on ways to prevent adverse effects from lead and mercury toxicity.[2] The article also discusses relevant medical literature for further study.”
JOURNAL ARTICLES:
Body burdens of brominated flame retardants and other persistent organo-halogenated compounds and their descriptors in US girls. (Environ Res. 2010)
Exposure to metal welding fume particles and risk for cardiovascular disease in Denmark: a prospective cohort study. (J.Occup Environ Med. 2010)
Polycarbonate Bottle Use and Urinary Bisphenol A Concentrations (Environmental Health Perspectives. 2009) “One week of polycarbonate bottle use increased urinary BPA concentrations by two-thirds. Regular consumption of cold beverages from polycarbonate bottles is associated with a substantial increase in urinary BPA concentrations irrespective of exposure to BPA from other sources.”
The influence of age of lead exposure on adult gray matter volume. (Neurotoxicology. 2010)
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