www.h2o123.com Drinking Water Standards and Health Advisories Winter 2004 Standards 10-kg Child CASRN Number 506-77-4 94-75-7 1861-32-1 75-99-0 103-23-1 117-81-7 333-41-5 124-48-1 96-12-8 84-74-2 1918-00-9 76-43-6 95-50-1 541-73-1 106-46-7 75-71-8 107-06-2 ...
lead to cytotoxicity and regenerative hyperplasia in susceptible tissues Chloroform is not likely to be carcinogenic to humans by all routes of exposures at a dose level that does not cause cytotoxicity and cell regeneration 5 New OPP RfD 0 0003 mg kg day Drinking Water Standards and Health ...
EPA Proposes Limiting Lead In Drinking Water Supplies; Plan Assailed for Failure to Regulate Metal at the TapMichael Weisskopf
Drinking Water: EPA Should Strengthen Ongoing Efforts to Ensure That Consumers Are Protected from Lead Contamination: GAO-06-148. Elevated lead levels in the District of Columbia's tap water in 2003 prompted questions about how well consumers are protected nationwide. The Environmenta... Stephenson...
aIn a similar fashion, the EPA’s decision to reduce the drinking water standard for lead from 50ppb to 5ppb, in 1986, resulted in bans on use of lead in plumbing solders and fixtures to avoid exceedances due to leaching of lead into drinking water. 相似地,使饮用水标准降低的EPA的...
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Millions of people consume drinking water from lead pipes and the agency said tighter standards would improve IQ scores in children and reduce high blood pressure and heart disease in adults. It is the strongest overhaul of lead rules in more than three decades, and will cost billions of dollar...
Joe Cotruvo, a former director of the Drinking Water Standards Division at EPA, said the existing regulations do work, they just aren’t properly enforced. Others disagree. Current rules do a bad job of monitoring for lead and cities haven’t done ...
A national water use standard for a high-efficiency toilet was necessary to address the problems with different states and communities having established different toilet water use standards. A national standard eliminated the need for plumbing fixture firms to manufacture, stock, and deliver different ...
EPA’s high-profile rule targeting lead-based drinking water pipes will force utilities to replace nearly all lead service lines (LSLs) over the next decade and take various other steps to limit exposures -- a measure that agency officials are hailing as a major shift toward preventing contamin...