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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

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

@goncy:Now York City DEP DWQC Sample HILLVIEW RESERVOIR Distribution Laboratory 96-05 Horace Harding Ex. Corona N.Y. 11368 Sample SITE BX58 Dr. Ian Hurley ID of Source: Received KM Collection 09/16/01 AT 12:00:00 Bottle 28073 Submitted 09/17/01 AT 10:44:00 Collected By: JR Sample Type: POT_DW Comment: SAMPLES SUBMITTED IN PWS No.: Source Code: NON-LABORATORY CONTAINER. Type Descriptor: Chilled on arrival?: YES Report

Sample No. AD22580 Method Test Description Results Units MDL Analyzed on Validator 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 Recovery for the Surrogate Standard in this sample was below its acceptance range. Organic Chemicals - 525.2 2,4-Dinitrotoluene <MDL ug/L 2.0 09/21/01 DLV 2,6-Dinitrotoluene <MDL ug/L 2.0 09/21/01 DLV 4,4-DDE <MDL ug/L 0.80 09/21/01 DLV Acetochlor <MDL ug/L 2.0 09/21/01 DLV Alachlor <MDL ug/L 0.20 09/21/01 DLV

Approved Donna Popp Chief of Env. Lab Services Date Approved: 10/17/01

Environmental Laboratories Copy 10/17/01

NYS ELAP # 10108 Page 1 of2

NYC-WTC_000025995

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NYC-WTC_000025995Source: NYC Law Department, mirrored locally

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