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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 21, 2001.

NYC-WTC_000026359–000026400

Folder label: “23258

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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

(oncy:New York City DEP DWQC Sample QUEENS Distribution Laboratory 96-05 Horace Harding Ex. Corona N.Y. 11368 Sample 43050/NYCDEP LAB Dr. Ian Hurley ID of Source: Received EP Collection 09/20/01 AT 12:45:00 Bottle c9288,6403,2404,223,77,55, Submitted 09/21/01 AT 10:50:00 Collected By: DESSOURCES Sample Type: POT_DW Comment: PWSNo.: Source Code: Type Descriptor: Chilled on arrival?: yes Report

Sample No. AD23263 Method Test Description Results Units MDL Analyzed on Validator 524.2 Tetrachloroethene <MDL ug/L .5 09/24/01 SV 524.2 Toluene <MDL ug/L .5 09/24/01 SV 524.2 trans-1,2-dichloroethene <MDL ug/L .5 09/24/01 SV 524.2 trans-1,3-dichloropropene <MDL ug/L .5 09/24/01 SV 524.2 Trichloroethene <MDL ug/L .5 09/24/01 SV 524.2 Trichlorofluoromethane <MDL ug/L .5 09/24/01 SV 524.2 Vinyl chloride <MDL ug/L .5 09/24/01 SV GCHLOROACETONITRILE FOUND AS A TENTATIVELY IDENTIFIED COMPOUND BY METHOD 524.2. THE WPROXIMATE CONCENTRATION IS 0.03 ug/L.

Stat charge for VOLATILE organic Completed 09/24/20 12:04 AM SV

Approved Date Approved: 01/01/81

Environmental Laboratories Original 10/04/01

NYS ELAP # 10108 Page 6 of6

NYC-WTC_000026394

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NYC-WTC_000026394Source: NYC Law Department, mirrored locally

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