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Water analysis results, Hillview Reservoir, Sept 2001

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Laboratory report detailing metal analysis of water samples collected from Hillview Reservoir on September 20, 2001.

NYC-WTC_000026268–000026321

Folder label: “23079

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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 @goncy:New York City DEP DWQC Sample STATEN ISLAND Distribution Laboratory 96-05 Horace Harding Ex. Corona N.Y. 11368 Sample 51350/DEP LAB #28406 Dr. Ian Hurley ID of Source: Received EP Collection 09/19/01 AT 9:06:00 Bottle c9768,125,218,220,7209,309,543 Submitted 09/20/01 AT 10:51:00 Collected By: SACKETT Sample Type: POT_DW Comment: PWSNo.: Source Code: Type Descriptor: Chilled on arrival?: yes Report

Sample No. AD23085 Method Test Description Results Units MDL Analyzed on Validator 524.2 Vinyl chloride <MDL ug/L .5 09/27/01 SV DICHLOROACETONITRILE FOUND AS A TENTATIVELY IDENTIFIED COMPOUND BY METHOD 524.2. THE APPROXIMATE CONCENTRATION IS 0.10 ug/L. Organic Chemicals - 525.2 2,4-Dinitrotoluene <MDL ug/L 2.0 09/27/01 DLV 2,6-Dinitrotoluene <MDL ug/L 2.0 09/27/01 DLV 4,4-DDE <MDL ug/L 0.80 09/27/01 DLV Acetochlor <MDL ug/L 2.0 09/27/01 DLV Alachlor <MDL ug/L 0.20 09/27/01 DLV Atrazine <MDL ug/L 0.10 09/27/01 DLV Benzo(a)pyrene <MDL ug/L 0.20 09/27/01 DLV bis(2-Ethylhexyl)adipate <MDL ug/L 0.60 09/27/01 DLV bis(2-Ethyihexyl)phthaIate 0.88 ug/L 0.60 09/27/01 DLV Butachlor <MDL ug/L 0.40 09/27/01 DLV EPTC <MDL ug/L 1.0 09/27/01 DLV Hexachlorobenzene <MDL ug/L 0.10 09/27/01 DLV Hexachlorocyclopentadiene <MDL ug/L 0.10 09/27/01 DLV Metolachlor <MDL ug/L 0.75 09/27/01 DLV Metribuzin <MDL ug/L 0.15 09/27/01 DLV Molinate <MDL ug/L 0.90 09/27/01 DLV Simazine <MDL ug/L 0.07 09/27/01 DLV

Approved Donna Popp Chief of Env. Lab Services Date Approved: 10/15/01

Environmental Laboratories Copy 10/16/01

NYS ELAP # 10108 Page 7 of 8

NYC-WTC_000026320

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NYC-WTC_000026320Source: NYC Law Department, mirrored locally

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