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Hexavalent chromium is a toxic metal, known to cause several health problems and is a carcinogen. Exposure to hexavalent chromium can cause irritation and problems in the respiratory tract, stomach, and small intestine. It is linked to several cancers, such as lung cancer, oral cancer, and intestinal cancer. [11]
Hexavalent chromium (chromium(VI), Cr(VI), chromium 6) is any chemical compound that contains the element chromium in the +6 oxidation state (thus hexavalent). [1] It has been identified as carcinogenic, which is of concern since approximately 136,000 tonnes (150,000 tons) of hexavalent chromium were produced in 1985. [ 2 ]
PG&E used chromium 6, or hexavalent chromium (a cheap and efficient rust suppressor), in its compressor station for natural-gas transmission pipelines. [1] [3] Hexavalent-chromium compounds are genotoxic carcinogens. In 1993, legal clerk Erin Brockovich began an investigation into the health impacts of the contamination. A class-action lawsuit ...
Erin Brockovich (née Pattee; born June 22, 1960) is an American paralegal, consumer advocate, and environmental activist who was instrumental in building a case against Pacific Gas & Electric Company (PG&E) involving groundwater contamination in Hinkley, California for attorney Ed Masry in 1993.
Chromium toxicity refers to any poisonous toxic effect in an organism or cell that results from exposure to specific forms of chromium—especially hexavalent chromium. [1] Hexavalent chromium and its compounds are toxic when inhaled or ingested. Trivalent chromium is a trace mineral that is essential to human nutrition.
The contamination resulted in a $333 million settlement in 1996. The clean-up process is ongoing as of 2022, with monthly monitoring reports submitted by PG&E. [69] This case has led to California being the only state in the US to adopt an MCL of 10 ppb specifically for hexavalent chromium instead of relying on an overall total chromium count. [70]
A credit monitoring service can help you identify and reverse unauthorized changes to your credit report. Your credit card may offer this protection as a free benefit, or you may prefer to pay for ...
ChemRisk is a Delaware Limited Liability Company, a for-profit scientific consulting firm headquartered in San Francisco, California, that is part of Cardno ChemRisk. [1] [2] ChemRisk founder and former president, Dennis Paustenbach, "has long been an expert witness and top consultant" to "scores of companies in the chemical, energy and medical products industries" facing lawsuits over ...