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Document / 48 pages

Water analysis results, Hillview Reservoir, Oct 2001

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Laboratory report detailing chemical analysis of drinking water samples collected on October 3, 2001.

NYC-WTC_000027197–000027244

Folder label: “24214

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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

Agency: New York City DEP DWQC Sample BROOKLYN Distribution Laboratory 96-05 Horace Harding Ex. Corona N.Y. 11368 Sample 20350 (NYC DEP) Dr. Ian Hurley ID of Source: Received KM Collection 10/2/2001 AT 10:45:00 Bottle C9753,47,289,56,351,138,294,67 Submitted 10/3/2001 AT 11:09:00 Collected By: GERTSIK Sample Type: POT_DW Comment: PWS No.: Source Code: Type Descriptor: Sample chilled on arrival? : YES Report

Sample No. AD24217 Method Test Description Results Units MDL Analyzed on Validator EPA94 Magnesium 1300 ug/L 1000.0 10/12/2001 PAD

EPA94 Manganese 36 ug/L 20.0 10/12/2001 PAD

EPA94 Molybdenum < MDL ug/L 50.0 10/12/2001 PAD

EPA94 Sodium 7400 ug/L 1000.0 10/12/2001 PAD

EPA94 Nickel <MDL ug/L 20.0 10/12/2001 PAD

SM18 Lead < MDL ug/L 1.0 10/10/2001 PAD

EPA'79 Potable Metals Digestion Completed 10/10/2001 PAD

SM18 Antimony <MDL ug/L 6 10/5/2001 PAD

SM18 Selenium < MDL ug/L 2 10/9/2001 PAD

SM18 Tin < MDL ug/L 100 10/5/2001 PAD

Stat charge for HG TEST Completed 10/5/2001 3:12 PM PAD

SMI 8 Titanium < MDL ug/L 100 10/12/2001 PAD

EPA94 Thallium < MDL ug/L 2 10/11/2001 PAD

EPA94 Vanadium <MDL ug/L 20.0 10/12/2001 PAD

Approved Pam Dilsizian QA Officer Date Approved: 11/23/2001

Environmental Laboratories emailed Original 11/23/2001

NYS ELAP # 10108 Page 2 of 7

NYC-WTC_000027219

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NYC-WTC_000027219Source: NYC Law Department, mirrored locally

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