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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 17, 2001.

NYC-WTC_000025981–000025996

Folder label: “22577

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NYC 9/11 Public Portal Document

Westchester County 10/2/01 7:46 PAGE 28/170 RightFAX

REPORT OF ANALYSIS Westchester County Department of Labs and Research 2 Dana Road Valhalla, New York 10595

Agency; New York City DEP DWQC Sample Location: HILLVIEW RESERVOIR Distribution Laboratory 96-05 Horace Harding Ex. 6th Corona N.Y. 11368 Sample Point: SITEBX58 Dr. Ian Hurley ID of Source: Received By: KM Collection Date: 09/17/01 AT 9:15:00 AM Bottle No.: 0917BX58 Submitted On: 09/17/01 AT 10:41:00 A Collected By: ATNT Sample Type: POT_DW Comment: SAMPLES SUBMITTED IN NON­ PWSNo.: Source Code: LABORATORY CONTAINER. Type Descriptor: Chilled on arrival?: yes Report To:

Sample No. AD22578 Method Test Description Results Units MDL Analyzed on Validator ••• EPA94200. Thallium <MDL ug/L 2 09/20/01 PAD

EPA94200. Vanadium <MDL ug/L 20.0 09/18/01 PAD

EPA94200. Zinc <MDL ug/L 20.0 09/18/01 PAD Organics Chlorine Pesticides - 508 4,4-DDE <MDL ug/L 0.080 09/19/01 DLV Aldrin <MDL ug/L 0.010 09/19/01 DLV Chlordane <MDL ug/L 0.40 09/19/01 DLV Dieldrin <MDL ug/L 0.016 09/19/01 DLV Endrin < MDL ug/L 0.020 09/19/01 DLV Heptachlor <MDL ug/L 0.020 09/19/01 DLV Heptachlor Epoxide <MDL ug/L 0.030 09/19/01 DLV Lindane < MDL ug/L 0.030 09/19/01 DLV Methoxychlor <MDL ug/L 0.039 09/19/01 DLV PCB's <MDL ug/L 0.20 09/19/01 DLV Propachlor <MDL ug/L 0.040 09/19/01 DLV Toxaphene < MDL ug/L 0.40 09/19/01 DLV Volatile Organic Compounds 524.2 *THM-Bromodichloromethane 2.6 ug/L .5 09/17/01 SV 524.2 "THM-Bromofor <MDL ug/L 2.0 09/17/01 SV 524.2 *THM-Chloroform 16 ug/L .5 09/17/01 SV

Approved By: Pam Dilsizian QA Officer Date Approved: 10/02/01

Environmental Laboratories Copy 10/02/01 NYS ELAP 010108 ($14) 231-1820 Page 3 of 7

NYC-WTC_000025990

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NYC-WTC_000025990Source: NYC Law Department, mirrored locally

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