Water analysis report, Sep-Oct 2001

NYC 9/11 Public Portal Document

REPORT OF ANALYSIS Westchester County Department of Labs and Research 2 Dana Road Valhalla, New York Agency: New York City DEP DWQC Sample MN-SPECIAL SAMPLES 3 Distribution Laboratory 96-05 Horace Harding Ex. Corona N.Y. 11368 Sample SITE 35550 Dr. Ian Hurley ID of Source: Received MO Collection 09/15/01 AT 9:35:00 Bottle 28070/35550 Submitted 09/16/01 AT 8:31:00 Collected By: VM/AS Sample Type: POT_DW Comment: submitted in non-laboratory container PWS No.; Source Code: Type Descriptor: Chilled on arrival?: YES Report

Sample No. AD22547 Method Test Description Results Units MDL Analyzed on Validator Recoveries for bis(2-Ethylhexyl)phthalate and Butachlor in the MDL Standard were above their acceptance ranges. The recovery for one of the three Surrogate Standards in this sample was above its acceptance range. This sample was submitted to our laboratory using NYCDEP bottles. Haloacetic Acids - 552.2 Bromoacetic Acid <MDL ug/L 1.00 09/18/01 DLV Bromochloroacetic Acid 1.7 ug/L 1.00 09/18/01 DLV Chloroacetic Acid 1.2 ug/L 1.00 09/18/01 DLV Dibromoacetic Acid <MDL ug/L 1.00 09/18/01 DLV Dichloroacetic Acid 27 ug/L 1.00 09/18/01 DLV Trichloroacetic Acid 27 ug/L 1.00 09/18/01 DLV GC/MS Scan For Unknowns Other unknown compounds 09/27/01 DLV A scan of the extract prepared for the 508 analysis, from 35 - 550 amu using a mass spectrometer, reveals the presence of the following compound with an estimated level, lower than normally measured by this laboratory. Di-n-butylphthalate - 0.40 ug/L Stat charge for VOLATILE organic Completed 09/17/01 12:20 PM SV

Approved Donna Popp Chief of Env. Lab Services Date Approved: 10/09/01

Environmental Laboratories Copy 10/09/01

NY8 ELAP # 10108 Page 8 of8

NYC-WTC_000025920