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Water analysis report, NYC DEP DWQC, Oct 2001

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Laboratory results for water sample collected October 25, 2001, testing silver, aluminum, and arsenic.

NYC-WTC_000071744–000071792

Folder label: “26202

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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 STATEN ISLAND Distribution Laboratory 96-05 Horace Harding Ex. Corona N.Y. 11368 Sample 51550 Dr. Ian Hurley ID of Source: Received KM Collection 10/24/2001 AT Bottle C9854,7629,6599,7827,2121,896 Submitted 10/25/2001 AT Collected By: TSUI Sample Type: POT_DW Comment: PWS No.: Source Code: Type Descriptor: Sample chilled on arrival? : YES Report

Sample No. AD26208 Method Test Description Results Units MDL Analyzed on Validator 524.2 P-isopropyltoluene < MDL ug/L 0.5 10/30/2001 SV 524.2 SEC-butylbenzene < MDL ug/L 0.5 10/30/2001 SV 524.2 Styrene <MDL ug/L 0.5 10/30/2001 SV 524.2 TERT-butylbenzene < MDL ug/L 0.5 10/30/2001 SV 524.2 Tetrachloroethene <MDL ug/L 0.5 10/30/2001 SV 524.2 Toluene <MDL ug/L 0.5 10/30/2001 SV 524.2 trans-1,2-dichloroethene < MDL ug/L 0.5 10/30/2001 SV 524.2 trans-1,3-dichloropropene <MDL ug/L 0.5 10/30/2001 SV 524.2 Trichloroethene <MDL ug/L 0.5 10/30/2001 SV 524.2 Trichlorofluoromethane < MDL ug/L 0.5 10/30/2001 SV 524.2 Vinyl chloride < MDL ug/L 0.5 10/30/2001 SV DICHLOROACETONITRILE FOUND AS A TENTATIVELY IDENTIFIED COMPOUND BY METHOD 524.2. THE APPROXIMATE CONCENTRATION IS 0.06 ug/L. Organic Chemicals - 525.2 2,4-Dinitrotoluene <MDL ug/L 2.0 11/5/2001 DLV 2,6-Dinitrotoluene <MDL ug/L 2.0 11/5/2001 DLV 4,4-DDE < MDL ug/L 0.80 11/5/2001 DLV Acetochlor <MDL ug/L 2.0 11/5/2001 DLV Alachlor < MDL ug/L 0.20 11/5/2001 DLV Atrazine < MDL ug/L 0.20 11/5/2001 DLV Benzo(a)pyrene <MDL ug/L 0.20 11/5/2001 DLV bis(2-Ethylhexyl)adipate < MDL ug/L 0.60 11/5/2001 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-WTC_000071791

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NYC-WTC_000071791Source: NYC Law Department, mirrored locally

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