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Chain of custody record, Westchester County Lab, Sep 2001

Machine-extracted title · confidence 95%

Document tracking the chain of custody for environmental samples submitted to the Westchester County Department of Labs & Research.

NYC-WTC_000026402–000026430

Folder label: “23270

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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

gency: NYCDEP Bureau Water Supply Sample NYC DEP 465 Columbus Ave. 19 WEST LAKE DRIVE Valhalla, NY 10595 VALHALLA, N.Y. Sample DEL 18 Attention: Steve Schindler ID of Source: Received KM Collection 09/21/01 AT 8:40:00 Bottle C9540,P8539,8540,08564,159,8 Submitted 09/21/01 AT 11:40:00 Collected By: WAGNER Sample Type: POT DW Comment: PWS No.: Source Code: 000 Type Descriptor: Chilled on arrival?: YES Report

Sample No. AD23272 Method Test Description Results Units MDL Analyzed on Validator All three vials of this sample were analyzed and found to contain the following tentatively identified compounds:

hexane at an average of approximately 1 ug/L and methy pentene at an average of approximately 1ug/L.

These contaminants were not present in the field blank. Organic Chemicals - 525.2 2,4-Dinitrotoluene <MDL ug/L 2.0 10/02/01 DLV 2,6-Dinitrotoluene <MDL ug/L 2.0 10/02/01 DLV 4,4-DDE <MDL ug/L 0.80 10/02/01 DLV Acetochlor <MDL ug/L 2.0 10/02/01 DLV Alachlor <MDL ug/L 0.20 10/02/01 DLV Atrazine <MDL ug/L 0.10 10/02/01 DLV Benzo(a)pyrene < MDL ug/L 0.20 10/02/01 DLV bis(2-EthyIhexyl)adipate <MDL ug/L 0.60 10/02/01 DLV bis(2-Ethylhexyl)phthalate <MDL ug/L 0.60 10/02/01 DLV Butachlor <MDL ug/L 0.40 10/02/01 DLV EPTC <MDL ug/L 1.0 10/02/01 DLV Hexachlorobenzene <MDL ug/L 0.10 10/02/01 DLV Hexachlorocyclopentadiene <MDL ug/L 0.10 10/02/01 DLV Metolachlor <MDL ug/L 0.75 10/02/01 DLV Metribuzin <MDL ug/L 0.15 10/02/01 DLV

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

Environmental Laboratories Copy of Fax 10/17/01

NYS ELAP # 10108 Page 7 of8

NYC-WTC_000026429

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NYC-WTC_000026429Source: NYC Law Department, mirrored locally

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Sample submission form, Aug 2001 · Box DEP Box 19

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Form used to submit environmental water samples to Westchester County Laboratories with chain of custody documentation.

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