Vinyl Chloride Clean Water Act

Vinyl chloride has been used in the past as a refrigerant.

Vinyl chloride clean water act.

The first number under the column headed rq is the reportable quantity in pounds. You can be exposed to vinyl chloride by drinking water from contaminated wells. Current water quality criteria tables. The clean air act establishes standards for vinyl chloride emissions from production and manufacturing facilities and the epa has published a water quality criteria document for vinyl chloride under the clean water act.

Exposure to vinyl chloride is also subject to workplace safety standards for airborne concentrations. The purpose of the national emission standard for hazardous air pollutants neshap is to minimize vinyl chloride emissions from process and fugitive emission sources in ethylene dichloride vinyl chloride and polyvinyl chloride production categories to the level attainable with best. The epa regulates vinyl chloride as a hazardous component of waste under the resource conservation and discovery act and has. Clean water act water quality criteria.

The regulation for vinyl chloride became effective in 1989. Epa has set a drinking water standard for vinyl chloride. How will vinyl chloride be detected in and removed from my drinking water. Vinyl chloride monomer vcm is a colorless flammable gas at room temperature.

The clean water act requires epa to develop criteria for surface water quality that accurately reflect the latest scientific knowledge on the impacts of pollutants on human health and the environment. Atsdr has derived three mrl values for vinyl chloride. About 13 billion kilograms are produced annually. Other studies have reported.

Between 1993 and 1995 epa required your water supplier to collect water samples every 3 months for one year and analyze them to find out if vinyl chloride is present above 0 5 ppb. Its chemical formula is c2h3cl. Vinyl chloride is an organochloride with the formula h 2 c chcl that is also called vinyl chloride monomer vcm or chloroethene this colorless compound is an important industrial chemical chiefly used to produce the polymer polyvinyl chloride pvc. Most drinking water supplies do not contain vinyl chloride.

The concentrations in groundwater were up to 0 008 ppm. Basic information on water quality criteria. Pvc is used in a variety of applications. The international national and state regulations and guidelines regarding vinyl chloride in air water and other media are summarized in table 8 1.

Congress specifically identified vinyl chloride as a hazardous air pollutant under the clean air act and it is regulated as such by the epa. An acute duration inhalation mrl of 0 5 ppm was derived for vinyl chloride based on a noael for developmental effects for mice john et al.