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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 Chloroethane <MDL ug/L .5 09/24/01 SV 524.2 Chloromethane <MDL ug/L .5 09/24/01 SV 524.2 cis-1,2-dichIoroethene <MDL ug/L .5 09/24/01 SV 524.2 cis-1,3-dichloropropene <MDL ug/L .5 09/24/01 SV 524.2 Dibromomethane <MDL ug/L .5 09/24/01 SV 524.2 Dichlorodifluoromethane <MDL ug/L .5 09/24/01 SV 524.2 Ethylbenzene <MDL ug/L .5 09/24/01 SV

62 524.2 Hexachlorobutadiene Isopropylbenzene Methyl iso-butyl ketone (MIBK) <MDL <MDL <MDL ug/L ug/L ug/L .5 .5 1.0 09/24/01 09/24/01 09/24/01 SV SV SV 524.2 Methyl tert-butyl ether (MTBE) <MDL ug/L 1.0 09/24/01 SV 524.2 Methylene Chloride <MDL ug/L .5 09/24/01 SV 524.2 N-butylbenzene <MDL ug/L .5 09/24/01 SV 524.2 N-propylbenzene <MDL ug/L .5 09/24/01 SV 524.2 Naphthalene <MDL ug/L .5 09/24/01 SV 524.2 O-xylene <MDL ug/L .5 09/24/01 SV 524.2 P & M-xylene <MDL ug/L .5 09/24/01 SV 524.2 P-isopropyltoluene <MDL ug/L .5 09/24/01 SV 524.2 SEC-butylbenzene <MDL ug/L .5 09/24/01 SV 524.2 Styrene <MDL ug/L .5 09/24/01 SV 524.2 TERT-butylbenzene <MDL ug/L .5 09/24/01 SV

Approved Date Approved: 01/01/81

Environmental Laboratories Original 10/04/01

NYS ELAP # 10108 Pages of 6

NYC-WTC_000026393

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NYC-WTC_000026393Source: NYC Law Department, mirrored locally

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