Water analysis results, Hillview Reservoir, Sept 2001

NYC 9/11 Public Portal Document

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

gency: New York City DEP DWQC Sample STATEN ISLAND Distribution Laboratory 96-05 Horace Harding Ex. Corona N.Y. 11368 Sample 55450 DEP LAB #29230 Dr. Ian Hurley ID of Scurce: Received KM Collection 9/26/2001 AT 1^:00:00 Bottle c83,k6618,7645,7627,8795,8787, Submitted 9/27/2001 AT 11:16:00 Collected By: PATEL Sample Type: POT DW Comment: PWS No.: Source Code: Type Descriptor: Sample chilied on arrival? - YES Report

Sample No. AD23722 Method Test Description Results Units MDL Analyzed on Validator 524.2 P & M-xylene < MID. ug/L 5 0/27/2001 SV 524.2 P-isopropyltoluene < VOL ug/L .5 9/27/2001 SV 524.2 SEC-butylbenzene < VDL ug/L .5 9/27/2001 SV 524.2 Styrene < MDL ug/L .5 9/27/2001 SV 524.2 TERT-butylbenzene < MDL ug/L .5 9/27/2001 SV 524.2 Tetrachloroethene < VC. Ug/L 1-/27/2001 SV 524.2 Toluene < */ _ ug/L 5 9/27/2001 SV 11,27/2001 SV

“(13 trans-1,2-dichloroethene < N.DL uc/L 5 trans-1,3-dichloropropene < MDL ug/ 5 9/27/2001 SV 824.2 524.2 Trichloroethene Trichlorofluoromethane < MDL < VDL ug/L ug/L 5 5 9/27/2001 S/27/2001 SV SV 524.2 Vinyl chloride < VO_ ua/L 5 9/27/2001 SV Organic Chemicals - 525.2 2,4-Dinitrotoluene < MD Ug/- 20 1044C/2001 DLV 2,6-Dinitrotoluene < VDL ug/L 20 i 10/2001 DLV 4,4-DDE < MDL ug/L C 80 10/10/2001 DLV Acetochlor < vo- Ug /_ 20 10/1 0/2001 DLV Alachlor < VDL ug/L 020 13/10/2001 DLV Atrazine < MDL ug/- 0 10 10/10/2001 DLV Benzo(a)pyrene < MD_ ug/L 020 .01 0/2001 DLV bis(2-Ethylhexyl)adipate < VDL ug/L 0 60 10/10/2001 DLV bis(2-Ethylhexyl)phthalate 0.95 ug/L 0.60 10/10/2001 DLV

Approved Pam Dilsizian QA Officer Date Approved: 11/1/2001

Environmental Laboratories emailed Original 11/1/2001

NYS ELAP # 10108 Page 6 of 7

NYC-WTC_000026827