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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

Westchester County 9/27/01 10:43 PAGE 37/622 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: BROOKLYN Distribution Laboratory 96-05 Horace Harding Ex. 8th Corona N.Y. 11368 Sample Point: 26550/NYCDEP LAB #28526 Dr. Ian Hurley ID of Source: Received By: EP Collection Date: 9/20/2001 AT 9:55:00 A Bottle No.: 267,7311,6406,213,221,214 Submitted On: 9/21/2001 AT 10:50:00 A Collected By: BROWN Sample Type: POT_DW Comment: PWSNo.: Source Code: Type Descriptor: Chilled on arrival?: yes Report To:

Sample No. AD23261 1 Method Test Description Results Units MDL Analyzed on Validator Stat charge for ICP Completed 9/25/2001 9:44 AM

SM18 3113 Titanium <MDL ug/L 100 9/24/2001

EPA94 200. Thallium PENDING ug/L 1/1/1981

EPA94 200. Vanadium <MDL ug/L 20.0 9/25/2001

EPA94 200. Zinc < MDL ug/L 20.0 9/25/2001

Organics Volatile Organic Compounds 524.2 "THM-Bromodichloromethane 2.5 ug/L .5 9/24/2020 SV 524.2 *THM-Bromofor <MDL ug/L 2.0 9/24/2020 SV 524.2 "THM-Chlorofor 20 ug/L .5 9/24/2020 SV 524.2 "THM-DIbromochloromethane <MDL ug/L 2.0 9/24/2020 SV 524.2 1,1,1,2-tetrachloroethane <MDL ug/L .5 9/24/2020 SV 524.2 1,1,1-trichloroethane <MDL ug/L .5 9/24/2020 SV 524.2 1,1,2,2-tetrachloroethane <MDL ug/L .5 9/24/2020 SV 524.2 1,1,2-trichloroethane < MDL ug/L .5 9/24/2020 SV 524.2 1,1-dichloroethane <MDL ug/L .5 9/24/2020 SV 524.2 1,1-Dichloroethene <MDL ug/L .5 9/24/2020 SV 524.2 1.1-dichloropropene <MDL ug/L .5 9/24/2020 SV

Approved By: Date Approved: 1/1/1981

Environmental Laboratories Origina 9/27/2001 NYS ELAP # 10108 (914) 231-1620 Page 3 of 6

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