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Water analysis report, NYC DEP samples, Jan 2002

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Laboratory results for drinking water samples collected on January 25, 2002, analyzing antimony, arsenic, and barium.

NYC-WTC_000072938–000072952

Folder label: “AE 01910

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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 02723 Distribution Laboratory 96-05 Horace Harding Ex. Corona N.Y. 11368 Sample 77350 Dr. Ian Hurley ID of Source: Received LK Collection 1/24/2002 AT 11:27:00 Bottle C1427.Q2405,2406,P392.450 Submitted 1/25/2002 AT 10:40:00 Collected By: MOHAN Sample Type: POT DW Comment: PWS No.: Source Code: Type Descriptor: Sample chilled on arrival? : YES Report

Sample No. AE01913 Method Test Description Results Units MDL Analyzed on Validator Inorganics ICPMS Metals for NEWQ EPA94 Antimony <MDL ug/L 0.1 1/30/2002 PAD EPA94 Arsenic < MDL ug/L 2.0 1/30/2002 PAD EPA94 Barium 8.9 ug/L 0.1 1/30/2002 PAD EPA94 Beryllium < MDL ug/L 2.0 1/30/2002 PAD EPA94 Chromium 1.7 ug/L 1.0 1/30/2002 PAD EPA94 Copper 20.5 ug/L 1.0 1/30/2002 PAD EPA94 Lead < MDL ug/L 1.0 1/30/2002 PAD EPA94 Manganese 50.2 ug/L 1.0 1/30/2002 PAD EPA94 Nickel 1.8 ug/L 1.0 1/30/2002 PAD EPA94 Selenium < MDL ug/L 1.0 1/30/2002 PAD EPA94 Silver < MDL ug/L 2.0 1/30/2002 PAD EPA94 Thallium < MDL ug/L 1.0 1/30/2002 PAD EPA94 Zinc 26.9 ug/L 2.0 1/30/2002 PAD Se did not recover in the spike and MSD. Result is suspect due to unsolved matrix effects. EPA94200. Aluminum < MDL ug/L 50.0 3/6/2002 PAD

EPA94 Cobalt < MDL ug/L 20.0 3/6/2002 PAD

EPA94 Iron 570 ug/L 20.0 3/6/2002 PAD

EPA79 Mercury < MDL ug/L 0.40 1/30/2002 PAD

Approved Pam Dilsizian QA Officer Date Approved : 3/8/2002

Environmental Laboratories emailed Original 3/8/2002

NYS ELAP # 10108 Page 1 of 2

NYC-WTC_000072944

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NYC-WTC_000072944Source: NYC Law Department, mirrored locally

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