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Water analysis report, NYC DEP, Oct-Nov 2001

Machine-extracted title · confidence 95%

Laboratory analysis report for drinking water samples collected October 19, 2001, testing for silver, aluminum, and arsenic.

NYC-WTC_000072611–000072659

Folder label: “25732

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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 35450 Dr. Ian Hurley ID of Source: Received LK Collection 10/18/2001 AT Bottle 00280,09153,9148,9156,P9164, Submitted 10/19/2001 AT Collected By: BOLTON Sample Type: POT_DW Comment: PWS No.: Source Code: Type Descriptor: Sample chilled on arrival? : YES Report

Sample No. AD25736 Method Test Description Results Units MDL Analyzed on Validator 524.2 Styrene <MDL ug/L .5 10/19/2001 SV 524.2 TERT-butylbenzene < MDL ug/L .5 10/19/2001 SV 524.2 Tetrachloroethene <MDL ug/L .5 10/19/2001 SV 524.2 Toluene < MDL ug/L .5 10/19/2001 SV 524.2 trans-1,2-dichloroethene <MDL ug/L .5 10/19/2001 SV 524.2 trans-1,3-dichloropropene <MDL ug/L .5 10/19/2001 SV 524.2 Trichloroethene < MDL ug/L .5 10/19/2001 SV 524.2 T richlorofluoromethane <MDL ug/L .5 10/19/2001 SV 524.2 Vinyl chloride < MDL ug/L .5 10/19/2001 SV DICHLOROACETONITRILE FOUND AS A TENTATIVELY IDENTIFIED COMPOUND BY METHOD 524.2. THE APPROXIMATE CONCENTRATION IS 0.13 ug/L. Organic Chemicals - 525.2 2,4-Dinitrotoluene <MDL ug/L 2.0 10/31/2001 DLV 2,6-Dinitrotoluene < MDL ug/L 2.0 10/31/2001 DLV 4.4-DDE <MDL ug/L 0.80 10/31/2001 DLV Acetochlor <MDL ug/L 2.0 10/31/2001 DLV Alachlor <MDL ug/L 0.20 10/31/2001 DLV Atrazine <MDL ug/L 0.20 10/31/2001 DLV Benzo(a)pyrene < MDL ug/L 0.20 10/31/2001 DLV bis(2-Ethylhexyl)adipate <MDL ug/L 0.60 10/31/2001 DLV bis(2-Ethylhexyl)phthalate 3.4 ug/L 0.60 10/31/2001 DLV Butachlor < MDL ug/L 0.40 10/31/2001 DLV

Approved Pam Dilsizian QA Officer Date Approved: 12/11/2001

Environmental Laboratories emailed Original 12/11/2001

NYS ELAP #10108 Page 6 of 7

NYC-WTC_000072644

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NYC-WTC_000072644Source: NYC Law Department, mirrored locally

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