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Document / 31 pages

Chain of custody record, Aug 2001

Machine-extracted title · confidence 90%

Record documenting the chain of custody for samples submitted by New York City DEP to Westchester County Department of Labs.

NYC-WTC_000025843–000025873

Folder label: “22358 - 22360”

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NYC 9/11 Public Portal Document

Westchester County 10/2/01 7:46 PAGE 77/170 RightFAX

REPORT OF ANALYSIS Westchester County Department of Labs and Research 2 Dana Road Valhalla, New York 10595

Agency: NYCDEP Bureau Water Supply DW Sample Location: NYC-DEP 485 Columbus Ave. 19 WESTLAKE DRIVE Valhalla, NY 10595 VALHALLA, N.Y. Sample Point: CRO GW (8408) Attention: Steve Schindler ID of Source: Received By: KM Collection Date: 09/12/01 AT 6:45:00 PM Bottle No.: crogh Submitted On: 09/13/01 AT 11:15:00 A Collected By: SUTTON/NEWMAN Sample Type: POT_DW Comment: metals submitted in non-lab PWS No.: Source Code: 000 containers. Type Descriptor: Chilled on arrival?: yes Report To:

Sample No. AD22360 | Method Test Description Results Units MDL Analyzed on Validator Propachlor < MDL ug/L 0.040 09/13/01 DLV Toxaphene < MDL ug/L 0.40 09/13/01 DLV The recovery for Aldrin in the MDL Standard was below its acceptance range. Herbicides - 515.1 2,4,5-T <MDL ug/L 0.10 09/17/01 DLV 2,4-D <MDL ug/L 0.080 09/17/01 DLV Dalapon <MDL ug/L 0.80 09/17/01 DLV DCPA, di-acid <MDL ug/L 1.0 09/17/01 DLV Dicamba <MDL ug/L 0.080 09/17/01 DLV Dinoseb <MDL ug/L 0.16 09/17/01 DLV Pentachlorophenol <MDL ug/L 0.040 09/17/01 DLV Picloram < MDL ug/L 0.08 09/17/01 DLV Silvex <MDL ug/L 0.080 09/17/01 DLV Volatile Organic Compounds 524.2 "THM-Bromodichloromethane <MDL ug/L .5 09/13/01 SV 524.2 "THM-Bromofom <MDL ug/L 2.0 09/13/01 SV 524.2 "THM-Chlorofor <MDL ug/L .5 09/13/01 SV 524.2 *THM-Dibromochloromethane <MDL ug/L 2.0 09/13/01 SV 524.2 1,1,1,2-tetrachloroethane <MDL ug/L .5 09/13/01 SV 524.2 1,1,1- trichloroethane <MDL ug/L .5 09/13/01 SV 524.2 1,1,2,2-tetrachloroethane <MDL ug/L .5 09/13/01 SV 524.2 1,1,2-trichloroethane <MDL ug/L .5 09/13/01 SV

Approved By: Pam Dilsizian QA Officer Date Approved: 10/02/01

Environmental Laboratories Copy of Fax 10/02/01 NY8 ELAP # 10108 (B149 231-1920 Page 4 of 9

NYC-WTC_000025868

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