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Water analysis report, Hillview sample, Nov 2001

Machine-extracted title · confidence 95%

Laboratory results for chemical constituents including silver and aluminum in water collected on November 8, 2001.

NYC-WTC_000071538–000071565

Folder label: “27389

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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 22650 Dr. Ian Hurley ID of Source: Received LK Collection 11/7/2001 AT 10:57:00 Bottle C0483,Q196,646,647,P777,372,7 Submitted 11/8/2001 AT 11:34:00 Collected By: JOASIL Sample Type: POT_DW Comment: PWS No.: Source Code: Type Descriptor: Sample chilled on arrival? : YES Report

Sample No. AD27392 Method Test Description Results Units MDL Analyzed on Validator Atrazine <MDL ug/L 0.20 11/16/2001 DLV Benzo(a)pyrene <MDL ug/L 0.20 11/16/2001 DLV bis(2-Ethylhexyl)adipate <MDL ug/L 0.60 11/16/2001 DLV bis(2-Ethylhexyl)phthalate < MDL ug/L 0.60 11/16/2001 DLV Butachlor <MDL ug/L 0.40 11/16/2001 DLV EPTC <MDL ug/L 1.0 11/16/2001 DLV Hexachlorobenzene <MDL ug/L 0.10 11/16/2001 DLV Hexachlorocyclopentadiene <MDL ug/L 0.10 11/16/2001 DLV Metolachlor <MDL ug/L 0.75 11/16/2001 DLV Metribuzin <MDL ug/L 0.15 11/16/2001 DLV Molinate <MDL ug/L 0.90 11/16/2001 DLV Simazine <MDL ug/L 0.40 11/16/2001 DLV Terbacil <MDL ug/L 2.0 11/16/2001 DLV Recoveries for 4 of the 18 compounds in the MDL and LCS Standard and the Spiked Sample were outside of their acceptance ranges. GCMS Scan For Unknowns Other unknown compounds ug/L 12/19/2001 DLV A scan of the extract prepared for the 508 analysis, from 35-550 amu using a mass spectrometer, does not reveal the presence of non-target compounds, except for 1-Hexadecanol at an estimated level of 1.1 ug/L, and with a fit of 46 out of 100; and 3,7,11-tri- 2,6,10-Dodecatrien-1-ol at an estimated level of 1.5 ug/L, and with a fit of 56 out of

Approved Pam Dilsizian QA Officer Date Approved: 1/9/2002

Environmental Laboratories emailed Original 1/9/2002

NYS ELAP # 10108 Page 4 of 4

NYC-WTC_000071553

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NYC-WTC_000071553Source: NYC Law Department, mirrored locally

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