EPA Method 6850.0 Determination of Perchlorate in Water, Soils and Solid Wastes using High Performance Liquid Chromatography/Electrospray Ionization/Mass Spectrometry (HPLC/ESI/MS)

Library Number:
APNT10077227
Part Number:
720002735en
Author(s):
Waters Corporation
Source:
EPA
Content Type:
Application Notes
Content Subtype:
Application Notes
Column:
10077228 IC-Pak Anion HR 6 µm 4.6 mm 75 mm
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Perchlorate is both naturally occurring and man-made. In its natural form, perchlorate is a contaminent in fertilizers. Man-made perchlorate is used in a wide variety of industrial applications including the production of rubber and paint, in lubricants, and as a primary ingredient in solid rocket propellant. Perchlorate is highly water soluble and can migrate into groundwater and surface water, posing a concern to drinking water supplies. Thirty-five states have detected perchlorate in drinking water at higher levels than expected. The United States Environmental Protection Agency (US EPA) has established an official reference dose of 0.0007 ppb per day of perchlorate. Maryland, Massachusetts and New Mexico have established a one part per billion (ppb) action limit, while California and Texas have established 4 ppb limits.


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