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Main Title

Superfund record of decision amendment : Koppers Company Inc. Site (Oroville Plant), Oroville, CA.

CORP Author

Environmental Protection Agency, Washington, DC. Office of Emergency and Remedial Response.

Publisher

U.S. Environmental Protection Agency, Office of Emergency and Remedial Response], Distributed by National Technical Information Service,

Year Published

1999

Report Number

EPA/541/R-99/094

Stock Number

PB99-964507

OCLC Number

44420258

Subjects

Hazardous waste sites--California

Additional Subjects

Superfund ; Hazardous materials ; Water pollution control ; Pentachlorophenol ; Ground water ; Aquifers ; Restrictions ; Water pollution monitoring ; California ; Record of Decision Amendment ; First Remedial Action ; Cleanup operations ; Oroville(California) ; Butte County(California) ; Dense nonaqueous phase liquids ; Natural attenuation ; Bioremediation

Internet Access

Description	Access URL
	https://nepis.epa.gov/Exe/ZyPDF.cgi?Dockey=10002M62.PDF

Holdings

Library	Call Number	Additional Info	Location	Last Modified	Checkout Status
ELBD RPS	EPA 541-R-99-094	repository copy	AWBERC Library/Cincinnati,OH	10/17/2014
NTIS	PB99-964507	Some EPA libraries have a fiche copy filed under the call number shown.		07/26/2022

Collation

1 v. (various pagings) : ill., maps ; 28 cm.

Abstract

This decision document presents the U.S. Environmental Protection Agency's (EPA's) amended selected remedial actions for contaminated groundwater at the Koppers Company, Inc. (Koppers) site in Oroville, California. This ROD Amendment modifies the previously selected remedy for contaminated groundwater at the Koppers site. The revision affects both the cleanup standards and the cleanup technologies selected in the 1989 ROD for the site's single operable unit. Amendment No. 2 to the ROD provides for (1) a Technical Inpracticability (TI) Waiver due to Dense Nonaqueous-Phase Liquid (DNAPL) contamination, (2) adding enhanced in-situ bioremediation to the remedy to augment pentachlorophenol (PCP) destruction, and (3) adding Monitored Natural Attenuation (MNA) as a contingency remedy should enhanced in-situ bioremediation nutrient distribution not be fully achieved in the aquifers.

Notes

Cover title. "9/23/1999." "PB99-964507." "EPA/541/R-99/094." "1999."

Place Published

Washington, D.C. Springfield, Va.

Supplementary Notes