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Main Title

Health effects support document for dacthal degradates : tetrachloroterephthalic acid (TPA) and monomethyl tetrachloroterephthalic acid (MTP).

CORP Author

Environmental Protection Agency, Washington, DC. Health and Ecological Criteria Div.

Publisher

United States Environmental Protection Agency, Office of Water, Health and Ecological Criteria Division,

Year Published

2008

Report Number

EPA-822-R-08-005

Stock Number

PB2008-112791

Subjects

Dacthal--Health aspects--United States ; Tetrachloroterephtalic acid--Health aspects--United States ; Monomethyl tetrachloroterephtalic acid--Health aspects--United States

Additional Subjects

Health effects ; Exposure ; Occurrence ; Risk assessment ; Monomethyl Tetrachloroeterephthalic Acid(MTP) ; Tetrachloroterephthalic Acid(TPA) ; Dacthal degradates ; National Primary Dinking Water Regulation(NPDWR) ; Contaminant Candidate List(CCL) ; Regulatory determinations

Internet Access

Description	Access URL
	https://nepis.epa.gov/Exe/ZyPDF.cgi?Dockey=P10058UH.PDF
	http://www.epa.gov/safewater/ccl/pdfs/reg_determine2/healtheffects_ccl2-reg2_dacthaldegradates.pdf
	http://www.epa.gov/safewater/ccl/reg_determine2.html#four

Holdings

Library	Call Number	Additional Info	Location	Last Modified	Checkout Status
NTIS	PB2008-112791	Some EPA libraries have a fiche copy filed under the call number shown.		07/26/2022

Collation

[89] p. : digital, PDF file

Abstract

The U.S. Environmental Protection Agency (EPA) has prepared this Health Effects Support Document for Dacthal (DCPA) Degradates: tetrachloroterephthalic acid (TPA, or the di-acid degradate) and monomethyl tetrachloroterephthalic acid (MTP, or the mono-acid degradate) to assist in determining whether to regulate TPA and MTP with a National Primary Drinking Water Regulation (NPDWR). The available data on occurrence, exposure, and other risk considerations suggest that, because TPA and MTP do not occur in public water systems at frequencies and levels of public health concern, regulating TPA and MTP will not present a meaningful opportunity to reduce health risk. EPA will present a determination and further analysis in the Federal Register Notice covering the Contaminant Candidate List (CCL) regulatory determinations.

Notes

Title from title screen (viewed Oct 6, 2008). "May 2008." "EPA-822-R-08-005." Includes bibliographical references.

Contents Notes

Executive summary -- Identity: chemical and physical properties -- Uses and environmental fate -- Exposure from drinking water -- Exposure from media other than water -- Toxicokinetics -- Hazard identification -- Dose-response assessment -- Regulatory determination and characterization of risk from drinking water.

Place Published

Washington, D.C.

Supplementary Notes