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

(goncy:New York City DEP DWQC Sample QUEENS Distribution Laboratory 96-05 Horace Harding Ex. Corona N.Y. 11368 Sample 40150 DEP LAB #29361 Dr. Ian Hurley ID of Source: Received KM Collection 9/27/2001 AT 11:56:00 Bottle d 51 ,k3399,7560,7724,8810,883 Submitted 9/28/2001 AT 11:17:00 Collected By: DESSOURCES Sample Type: POT_DW Comment: PWS No.: Source Code: Type Descriptor: Sample chilled on arrival? : YES Report

Sample No. AD23838 Method Test Description Results Units MDL Analyzed on Validator 524.2 SEC-butylbenzene <MDL ug/L .5 9/28/2001 SV 524.2 Styrene < MDL ug/L .5 9/28/2001 SV 524.2 TERT-butylbenzene <MDL ug/L .5 9/28/2001 SV 524.2 Tetrachloroethene < MDL ug/L .5 9/28/2001 SV 524.2 Toluene <MDL ug/L .5 9/28/2001 SV 524.2 trans-1,2-dichloroethene < MDL ug/L .5 9/28/2001 SV 524.2 trans-1,3-dichloropropene <MDL ug/L .5 9/28/2001 SV

62 524.2 Trichloroethene Trichlorofluoromethane Vinyl chloride <MDL <MDL < MDL ug/L ug/L ug/L .5 .5 .5 9/28/2001 9/28/2001 9/28/2001 SV SV SV DICHLOROACETONITRILE FOUND AS A TENTATIVELY IDENTIFIED COMPOUND BY METHOD 524.2. THE APPROXIMATE CONCENTRATION IS 0.06 ug/L. Organic Chemicals - 525.2 2,4-Dinitrotoluene <MDL ug/L 2.0 10/9/2001 DLV 2,6-Dinitrotoluene <MDL ug/L 2.0 10/9/2001 DLV 4,4-DDE <MDL ug/L 0.80 10/9/2001 DLV Acetochlor < MDL ug/L 2.0 10/9/2001 DLV Alachlor <MDL ug/L 0.20 10/9/2001 DLV Atrazine < MDL ug/L 0.10 10/9/2001 DLV Benzo(a)pyrene < MDL ug/L 0.20 10/9/2001 DLV bis(2-Ethylhexyl)adipate < MDL ug/L 0.60 10/9/2001 DLV bis(2-Ethylhexyl)phthalate 1.1 ug/L 0.60 10/9/2001 DLV

Approved Pam Dilsizian QA Officer Date Approved: 11/7/2001

Environmental Laboratories emailed Original 11/7/2001

NYS ELAP # 10108 Page 6 of 7

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