| September 10, 2001 -- NEWS ALERT SERVICE |
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NEWS
ALERT SERVICE!
Report
by environmental groups on Trihalomethanes and Adverse
Health Effects to be released this week
-
The Environmental Working Group
and US Public
Interest Research Group plan to release a
detailed report on September 13 which relates
disinfection byproducts to miscarriages, birth
defects and cancer. The
report, titled "Consider the
Source," has been
given to some media outlets but it is embargoed
until Thursday, so media coverage can be expected
then.
Commentary:
The report does not take issue with the use of
chlorine for water disinfection, but emphasizes the
need for improved source water protection, a better
system to track the incidence of diseases, and
more funding for training small water system operators.
California Chromium Advisory
Panel says "no link between ingested hexavalent
chromium and cancer; hold off on MCL until more studies
are done"
- Press Release: OEHHA Receives Scientific Review Committee's Chromium 6 Report (OEHHA website)
The full report is available
(32 pages,pdf file)
- Chromium
Advisory Panel recommends waiting on a standard until
studies completed (LA
Times, September 8)
Commentary:
The Chromate Toxicity Review Committee, a
blue-ribbon group of scientists convened by the
state under UC auspices to review the health aspects
of hexavalent chromium in general, and OEHHA's
health risk assessment leading to the PHG for total
chromium in particular, has concluded that they
found "no basis in either the
epidemiological or animal data published in the
literature for concluding that orally ingested
Cr(VI) is a carcinogen." They
recommend that California state officials hold off
on their risk assessment until the NTP study is
completed, which will take several years.
Significantly, they also state that "the
current California MCL for total chromium of 50 ppb
should be deemed protective of human health."
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