Chain of custody record, Westchester County Lab, Sep 2001

NYC 9/11 Public Portal Document

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

ency: NYCDEP Bureau Water Supply Sample NYC DEP 465 Columbus Ave. 19 WEST LAKE DRIVE Valhalla, NY 10595 VALHALLA, N.Y. Sample DEL 18 #6497 Attention: Steve Schindler ID of Source: NYC Received EP Collection 09/14/01 AT 2:00:00 Bottle del18 6497 Submitted 09/17/01 AT 12:45:00 Collected By: CURCIO/SCOTT Sample Type: POT_DW Comment: PWSNo.: Source Code: 000 Type Descriptor: Chilled on arrival?: yes Report

Sample No. AD22654 Method Test Description Results Units MDL Analyzed on Validator 524.2 1,3-dichlorobenzene <MDL ug/L .5 09/19/01 SV 524.2 1,3-dichloropropane <MDL ug/L .5 09/19/01 SV 524.2 1,4-dichlorobenzene <MDL ug/L .5 09/19/01 SV 524.2 2,2-dichloropropane <MDL ug/L .5 09/19/01 SV 524.2 2-butanone (MEK) <MDL ug/L 2.0 09/19/01 SV 524.2 2-chlorotoluene <MDL ug/L .5 09/19/01 SV 524.2 4-chlorotoluene <MDL ug/L .5 09/19/01 SV 524.2 Benzene <MDL ug/L .5 09/19/01 SV 524.2 Bromobenzene <MDL ug/L .5 09/19/01 SV

942 524.2 Bromochloromethane Bromomethane Carbon tetrachloride <MDL <MDL <MDL ug/L ug/L ug/L .5 .5 .5 09/19/01 09/19/01 09/19/01 SV SV SV 524.2 Chlorobenzene <MDL ug/L .5 09/19/01 SV 524.2 Chloroethane <MDL ug/L .5 09/19/01 SV 524.2 Chloromethane <MDL ug/L .5 09/19/01 SV 524.2 cis-1,2-dichloroethene <MDL ug/L .5 09/19/01 SV 524.2 cis-1,3-dichloropropene <MDL ug/L .5 09/19/01 SV 524.2 Dibromomethane <MDL ug/L .5 09/19/01 SV 524.2 Dichlorodifluoromethane <MDL ug/L .5 09/19/01 SV 524.2 Ethylbenzene <MDL ug/L .5 09/19/01 SV 524.2 Hexachlorobutadiene <MDL ug/L .5 09/19/01 SV

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 5 of8

NYC-WTC_000025663