[Pharmwaste] EPA considering regulation of certain pharmaceuticals in drinking water

Tenace, Laurie Laurie.Tenace at dep.state.fl.us
Thu Sep 24 08:50:09 EDT 2009

EPA Targets Chemicals, Estrogens

Contaminants: For the first time, agency is considering regulation of
pharmaceuticals in drinking water

Pharmaceuticals including a number of estrogens, pesticides, and two major
perfluorinated compounds are among the 104 chemicals EPA listed today for
possible regulation in drinking water.

This marks the first time the agency will consider pharmaceuticals for
potential regulation under the Safe Drinking Water Act, an EPA spokeswoman
tells C&EN. That law governs the quality of the water that public utilities
supply to homes and commercial facilities.

The Pharmaceutical Research & Manufacturers of America, an industry trade
group, did not return calls for reaction to EPA's action.

Several estrogens made the agency's "contaminant candidate list," including
equilenin, equilin, estradiol, estrone, ethinyl estradiol, and mestranol.
Their uses include hormone replacement therapy and birth control pills.
Another pharmaceutical, the antibiotic erythromycin, is also listed.

EPA compiles lists of contaminants known or anticipated to be found in public
water systems as a first step toward possible regulation under the Safe
Drinking Water Act. Today's action marks the third list the agency has
finalized since 1998. Many contaminants on the previous lists have not been

EPA says it will continue to collect and evaluate data on the 104 chemicals
and 12 microbes, including the hepatitis A virus, that made the new list. The
agency says it will determine by 2013 whether to propose drinking water
standards for at least five of them.

Aside from pharmaceuticals, many of the listed substances are pesticides,
including the fumigant methyl bromide. Others are commercial chemicals, such
as the octane booster methyl tert-butyl ether and hydrochlofluorocarbon-22,
which is used as a refrigerant and in tetrafluoroethylene polymers.

Also on the list are perfluorooctane sulfonic acid, which 3M phased out of
its Scotchguard products in 2002, and perfluorooctanoic acid, used as a
processing aid to produce polytetrafluoroethylene, such as DuPont's Teflon.

EPA says it selected the contaminants for the list after evaluating about
7,500 substances and biological agents.

The agency's full list of candidate contaminants is at

Laurie Tenace
Environmental Specialist
Waste Reduction Section
Florida Department of Environmental Protection
2600 Blair Stone Rd., MS 4555
Tallahassee FL 32399-2400
P: 850.245.8759
F: 850.245.8811
Laurie.Tenace at dep.state.fl.us 

Mercury: http://www.dep.state.fl.us/waste/categories/mercury/default.htm 

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