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Water analysis report, NYC DEP DWQC, Oct 2001

Machine-extracted title · confidence 95%

Laboratory results for water sample collected October 29, 2001, testing silver, aluminum, and arsenic.

NYC-WTC_000071977–000071990

Folder label: “26433

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Scanned page image, NYC-WTC_000071982
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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 HILLVIEW BX Distribution Laboratory 96-05 Horace Harding Ex. Corona N.Y. 11368 Sample 58 Dr. Ian Hurley ID of Source: Received KM Collection 10/29/2001 AT 9:40:00 Bottle c430,p2068.2077,2074.q21 45,21 Submitted 10/29/2001 AT Collected By: TIGLAO Sample Type: POT DW Comment: PWS No.: Source Code: Type Descriptor: Sample chilled on arrival? : YES Report

Sample No. AD26433 Method Test Description Results Units MDL Analyzed on Validator 524.2 SEC-butylbenzene <MDL ug/L 0.5 11/1/2001 SV 524.2 Styrene < MDL ug/L 0.5 11/1/2001 SV 524.2 TERT-butylbenzene <MDL ug/L 0.5 11/1/2001 SV 524.2 Tetrachloroethene < MDL ug/L 0.5 11/1/2001 SV 524.2 Toluene < MDL ug/L 0.5 11/1/2001 SV 524.2 trans-1,2-dichloroethene <MDL ug/L 0.5 11/1/2001 SV 524.2 trans-1,3-dichloropropene < MDL ug/L 0.5 11/1/2001 SV 524.2 Trichloroethene < MDL ug/L 0.5 11/1/2001 SV 524.2 Trichlorofluoromethane <MDL ug/L 0.5 11/1/2001 SV 524.2 Vinyl chloride < MDL ug/L 0.5 11/1/2001 SV ONE OF THREE SURROGATE RECOVERIES IS 5% ABOVE THE UPPER CONTROL LIMIT.

DICHLOROACETONITRILE FOUND AS A TENTATIVELY IDENTIFIED COMPOUND BY METHOD 524.2. THE APPROXIMATE CONCENTRATION IS 0.03 ug/L.

ISOPROPYL ALCOHOL FOUND AS A TENTATIVELY IDENTIFIED COMPOUND BY METHOD 524.2. THE APPROXIMATE CONCENTRATION IS 0.03 ug/L. Organic Chemicals - 525.2 2,4-Dinitrotoluene < MDL ug/L 2.0 11/6/2001 DLV 2,6-Dinitrotoluene <MDL ug/L 2.0 11/6/2001 DLV 4,4-DDE < MDL ug/L 0.80 11/6/2001 DLV Acetochlor < MDL ug/L 2.0 11/6/2001 DLV Alachlor < MDL ug/L 0.20 11/6/2001 DLV Atrazine < MDL ug/L 0.20 11/6/2001 DLV

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

Environmental Laboratories emailed Original 12/24/2001

NYS ELAP #10108 Page 6 of 7

NYC-WfC_000071982

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NYC-WTC_000071982Source: NYC Law Department, mirrored locally

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