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Water analysis results, Hillview Reservoir, Sept 2001

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Laboratory report detailing inorganic contaminant analysis of water samples collected from Hillview Reservoir on September 25, 2001.

NYC-WTC_000026619–000026667

Folder label: “23497

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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: New York City DEP DWQC Sample MANHATTAN Distribution Laboratory 96-05 Horace Harding Ex. Corona N.Y. 11368 Sample 35650 DEP LAB #28936 Dr. Ian Hurley ID of Source: Received KM Collection 9/24/2001 AT 12:45:00 Bottle C42.K7347,7632,7580,8638,8617 Submitted 9/25/2001 AT 11:26:00 Collected By: VASSILEV Sample Type: POT_DW Comment: PVS No.: Source Code: Type Descriptor: Sample chil.ed on arrival? : YES Report

Sample No. AD23501 Method Test Description Results Units MDL Analyzed on Validator 524.2 SEC-butylbenzene < LID’ ug/L .5 9/26/2001 SV 524.2 Styrene < MDL ug/L .5 9/26/2001 SV 524.2 TERT-butylbenzene <MDL ug/L .5 9/26/2001 SV 524.2 Tetrachloroethene < MDL ug/L .5 9/26/2001 SV 524.2 Toluene < MDL ug/L .5 9/26/2001 SV 524.2 trans-1,2-dichloroethene < MDL ug/L .5 9/26/2001 SV 524.2 trans-1,3-dichloropropene <MDL ug/L .5 9/26/2001 SV

222 “5222 Trichloroethene Trichlorofluoromethane Vinyl chloride < W2L < MDL < M/D ug/L ug/L ug/L .5 .5 .5 9/26/2001 9/26/2001 9/26/2001 SV SV SV Organic Chemicals - 525.2 2,4-Dinitrotoluene < MDL ug/L 2.0 10/4/2001 DLV 2,6-Dinitrotoluene < VDL ug/L 2.0 10/4/2001 DLV 4,4-DDE <NDL Ug/L 0.80 10/4/2001 DLV Acetochlor < VDL u/L 2.0 10/4/2001 DLV Alachlor < VDL ug/L 0.20 10/4/2001 DLV Atrazine < n 1p ug/L 0 10 10/4/2001 DLV Benzo(a)pyrene < VDL ug/L 0.20 10/4/2001 DLV bis(2-Ethylhexyl)adipate < VD. ug/L 0.60 10/4/2001 DLV bis(2-Ethylhexyl)phthalate < MDL ug/L 0.60 10/4/2001 DLV Butachlor < MDL ug/L 0.40 10/4/2001 DLV EPTC < V D '- ug/L 1.0 10/4/2001 DLV

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

Environmental Laboratories emailed Original 11/1/2001

NYS ELAP # 10108 Page 6 of7

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NYC-WTC_000026611 · Box DEP Box 19

Westchester County Department of Labs and Research chain of custody form for environmental samples submitted by the City DEP.

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