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Water analysis report, NYC DEP DWQC, Oct 2001

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Laboratory results for water sample collected October 26, 2001, testing silver, aluminum, and arsenic.

NYC-WTC_000071825–000071873

Folder label: “26315

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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: New York City DEP DWQC Sample MANHATTAN Distribution Laboratory 96-05 Horace Harding Ex. Corona N.Y. 11368 Sample 36350 Dr. Ian Hurley ID of Source: Received EP Collection 10/25/2001 AT Bottle c9897,q2112,2002,2004,p2041,9 Submitted 10/26/2001 AT Collected By: GERTSIK Sample Type: POT_DW Comment: PWS No.: Source Code: Type Descriptor: Sample chilled on arrival? : yes Report

Sample No. AD26319 Method Test Description Results Units MDL Analyzed on Validator Organics Chlorine Pesticides - 508 4,4-DDE <MDL ug/L 0.080 11/3/2001 DLV Aldrin < MDL ug/L 0.010 11/3/2001 DLV Chlordane <MDL ug/L 0.40 11/3/2001 DLV Dieldrin <MDL ug/L 0.016 11/3/2001 DLV Endrin <MDL ug/L 0.020 11/3/2001 DLV Heptachlor < MDL ug/L 0.020 11/3/2001 DLV Heptachlor Epoxide < MDL ug/L 0.030 11/3/2001 DLV Lindane < MDL ug/L 0.030 11/3/2001 DLV Methoxychlor <MDL ug/L 0.039 11/3/2001 DLV PCB's < MDL ug/L 0.20 11/3/2001 DLV Propachlor <MDL ug/L 0.040 11/3/2001 DLV Toxaphene < MDL ug/L 0.40 11/3/2001 DLV Recoveries for 3 of the 11 compounds in the LCS Standard are below their acceptance ranges. Volatile Organic Compounds 524.2 *THM-Bromodichloromethane 11 ug/L 0.5 10/31/2001 SV 524.2 *THM-Bromoform <MDL ug/L 2.0 10/31/2001 SV 524.2 *THM-Chloroform 47 ug/L 0.5 10/31/2001 SV 524.2 *THM-Dibromochloromethane <MDL ug/L 2.0 10/31/2001 SV 524.2 1,1,1,2-tetrachloroethane < MDL ug/L 0.5 10/31/2001 SV 524.2 1,1,1- trichloroethane <MDL ug/L 0.5 10/31/2001 SV

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

Environmental Laboratories emailed Original 12/24/2001

NYS ELAP #10108 Page 3 of 7

NYC-WTC_000071855

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NYC-WTC_000071855Source: NYC Law Department, mirrored locally

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