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Water analysis report, Valhalla samples, Oct 2001

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Laboratory report detailing chemical analysis results for beryllium and cobalt in drinking water samples collected from Valhalla.

NYC-WTC_000027599–000027616

Folder label: “24491

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NYC 9/11 Public Portal Document

REPORT OF ANALYSIS Westchester County Department of Labs and Research 2 Dana Road Valhalla, New York

Agency: NYCDEP Bureau Water Sample NYC DEP 465 Columbus Ave. 19 WEST LAKE DRIVE Valhalla, NY 10595 VALHALLA, N.Y. Sample CATLEFF Attention: Steve Schindler ID of Source: Received KM Collection 10/6/2001 AT 8:15:00 Bottle CAT LEFF Submitted 10/9/2001 AT 9:05:00 Collected By: NEWMAN Sample Type: POT_DW Comment: PWS No.: Source Code: 000 Type Descriptor: Sample chilled on arrival? : yes Report

Sample No. AD24491 Method Test Description Results Units MDL Analyzed on Validator Heptachlor < MDL ug/L 0.020 10/16/2001 DLV Heptachlor Epoxide < MDL ug/L 0.030 10/16/2001 DLV Lindane < MDL ug/L 0.030 10/16/2001 DLV Methoxychlor < MDL ug/L 0.039 10/16/2001 DLV PCB's < MDL ug/L 0.20 10/16/2001 DLV Propachlor < MDL ug/L 0.040 10/16/2001 DLV Toxaphene <MDL ug/L 0.40 10/16/2001 DLV The breakdown for Endrin in the Breakdown Standard was 21%. Volatile Organic Compounds 524.2 *THM-Bromodichloromethane < MDL ug/L 0.5 10/10/2001 SV 524.2 *THM-Bromoform <MDL ug/L 2.0 10/10/2001 SV 524.2 *THM-Chloroform <MDL ug/L 0.5 10/10/2001 SV 524.2 *THM-Dibromochloromethane < MDL ug/L 2.0 10/10/2001 SV 524.2 1,1,1,2-tetrachloroethane < MDL ug/L 0.5 10/10/2001 SV 524.2 1,1,1- trichloroethane <MDL ug/L 0.5 10/10/2001 SV 524.2 1,1,2,2-tetrachloroethane < MDL ug/L 0.5 10/10/2001 SV 524.2 1,1,2-trichloroethane <MDL ug/L 0.5 10/10/2001 SV 524.2 1,1-dichloroethane <MDL ug/L 0.5 10/10/2001 SV 524.2 1,1-Dichloroethene <MDL ug/L 0.5 10/10/2001 SV 524.2 1,1-dichloropropene < MDL ug/L 0.5 10/10/2001 SV 524.2 1,2,3-trichlorobenzene < MDL ug/L 0.5 10/10/2001 SV 524.2 1,2,3-trichloropropane < MDL ug/L 0.5 10/10/2001 SV

Approved Pam Dilsizian QA Officer Date Approved: 12/24/2001

Environmental Laboratories emailed Original 12/24/2001

NYS ELAP # 10108 Page 2 of 6

NYC-WTC_000027600

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NYC-WTC_000027600Source: NYC Law Department, mirrored locally

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