October 4, 2006 – Volume 7, No. 39
water quality to be sculpted to satisfy consumers'
taste and pocketbooks. Politics and drinking
water standards get intermixed at state level (also!):
It's alachlor in Wisconsin and economic value
of health benefits in California. Get connected by RSS to
CDC emergency bulletins on
quality threats and issues. What
are the sources of perchlorate in
the U.S. food supply? Not
everyone is happy with Congress' interim appropriations
to address security
of chemical facilities.
legislature blocks state's attempt to set drinking
water standard for alachlor; Monsanto's lobbying for more study
State Journal, September 28)
Governor vetoes proposed SB
files, 9.6 K and 93.2 K) that would have added
additional requirements for the state's MCL-setting
to the veto (Daily Bulletin, October 2)
provision of the proposed amendments to California's existing
prescriptive law on setting drinking water standards
is the following: "The
department may also consider, to the extent information
is available, as a part of the determination of economic
feasibility, the potential affects (sic) on human
health that may result from the adoption of a primary
drinking water standard that is less stringent than
the public health goal." Determining
the actual, incremental effects at these very low
levels is a challenge; putting any realistic cost
value on the tiny increment would be daunting.
water was not involved in the recent "E. coli
in spinach" scare, but there are areas of spillover interest,
including how gastrointestinal disease outbreaks
are recognized and investigated, analytical issues, and
the potential for water, albeit recycled, to be included
in the evaluation of causative factors:
State University houses huge, 60,000-plus-specimen E.
coli collection (Associated
Press, October 2); the Gastroenteric
Disease Center website
layman's view: Microbes - the good, the bad,
and the ugly! (North County Times,
Preparedness and Response
Water System Compliance
Pirnie Membrane Filtration Services
promulgation of the Long-Term 2 Enhanced Surface Water
Treatment Rule (LT2ESWTR) established the first federal
regulatory framework for membrane filtration, including
microfiltration (MF), ultrafiltration (UF), nanofiltration
(NF), and reverse osmosis (RO) systems applied for rule
compliance. Many states are expected to adopt this framework
for membrane regulation as well.
Working in conjunction with the
USEPA, Malcolm Pirnie has been involved in the development
of the Membrane
Filtration Guidance Manual in support of the LT2ESWTR.
As a result, the company has in-depth expertise with respect
to the new regulatory framework and how it will be applied
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project development process, including planning, piloting,
equipment procurement, design, construction, and start-up,
to ensure system compliance.
For more information, please contact Brent
Alspach at BAlspach@pirnie.com.
Algae Blooms (HABs)
of Maui water debated despite expert panel's assurances (Honolulu
Advertiser, September 29)
Customers, local officials, and drinking water/public
health regulators in Hawaii discuss whether
it is "safe"
to use water sources contaminated with pesticides,
like DBCP and EDB, with reliable treatment (GAC)
to remove the chemicals below regulated levels.
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