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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 24, 2001.

NYC-WTC_000026569–000026582

Folder label: “23359

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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

gency: New York City DEP DWQC Sample HILLVIEW RESERVOIR Distribution Laboratory 96-05 Horace Harding Ex. Corona N.Y. 11368 Sample BX58 Dr. Ian Hurley ID of Source: Received KM Collection 9/24/2001 AT 9:15:00 Bottle C53,7911,7910,6300,8636,8633, Submitted 9/24/2001 AT 10:34:00 Collected By: TIGLAO Sample Type: POT_DW Comment: PWSNo.: Source Code: Type Descriptor: Sample chilled on arrival?: YES Report

Sample No. AD23360 Method Test Description Results Units MDL Analyzed on Validator 524.2 O-xylene <MDL ug/L .5 9/25/2001 SV 524.2 P & M-xylene <MDL ug/L .5 9/25/2001 SV 524.2 P-isopropyltoluene <MDL ug/L .5 9/25/2001 SV 524.2 SEC-butylbenzene <MDL ug/L .5 9/25/2001 SV 524.2 Styrene <MDL ug/L .5 9/25/2001 SV 524.2 TERT-butylbenzene <MDL ug/L .5 9/25/2001 SV 524.2 Tetrachloroethene <MDL ug/L .5 9/25/2001 SV

&2 Toluene <MDL ug/L .5 9/25/2001 SV trans-1,2-dichloroethene <MDL ug/L .5 9/25/2001 SV 524.2 trans-1,3-dichloropropene <MDL ug/L .5 9/25/2001 SV 524.2 Trichloroethene <MDL ug/L .5 9/25/2001 SV 524.2 Trichlorofluoromethane <MDL ug/L .5 9/25/2001 SV 524.2 Vinyl chloride <MDL ug/L .5 9/25/2001 SV Organic Chemicals - 525.2 2,4-Dinitrotoluene <MDL ug/L 2.0 10/4/2001 DLV 2,6-Dinitrotoluene <MDL ug/L 2.0 10/4/2001 DLV 4,4-DDE <MDL ug/L 0.80 10/4/2001 DLV Acetochlor <MDL ug/L 2.0 10/4/2001 DLV Alachlor <MDL ug/L 0.20 10/4/2001 DLV Atrazine <MDL ug/L 0.10 10/4/2001 DLV Benzo(a)pyrene <MDL ug/L 0.20 10/4/2001 DLV bis(2-Ethylhexyl)adipats <MDL ug/L 0.60 10/4/2001 DLV

Approved Pam Dilsizian QA Officer Date Approved: 10/22/2001

Environmental Laboratories Copy 10/22/2001

NYS ELAP # 10108 Page 6 of7

NYC-WTC_000026581

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NYC-WTC_000026581Source: NYC Law Department, mirrored locally

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Westchester County Department of Labs and Research chain of custody form for environmental samples submitted by the City DEP.

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