Laboratory report listing chemical test results for water samples collected on October 23, 2001.
NYC-WTC_000071575–000071623Folder label: “26005”
OCR status: ok · source: pdftotext
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 HILLVIEW BX Distribution Laboratory 96-05 Horace Harding Ex. Corona N.Y. 11368 Sample 3 Dr. Ian Hurley ID of Source: Received KM Collection 10/23/2001 AT 9:46:00 Bottle c9578,p9454,9495,9488,q9509,9 Submitted 10/23/2001 AT Collected By: TIGLAO/NAKHLA Sample Type: POT_DW Comment: PWS No.: Source Code: Type Descriptor: Sample chilled on arrival? : YES Report
Sample No. AD26005 Method Test Description Results Units MDL Analyzed on Validator 524.2 P & M-xylene <MDL ug/L .5 10/24/2001 SV 524.2 P-isopropyltoluene <MDL ug/L .5 10/24/2001 SV 524.2 SEC-butylbenzene < MDL ug/L .5 10/24/2001 SV 524.2 Styrene < MDL ug/L .5 10/24/2001 SV 524.2 TERT-butyl benzene <MDL ug/L .5 10/24/2001 SV 524.2 Tetrachloroethene < MDL ug/L .5 10/24/2001 SV 524.2 Toluene < MDL ug/L .5 10/24/2001 SV 524.2 trans-1,2-dichloroethene < MDL ug/L .5 10/24/2001 SV 524.2 trans-1,3-dichloropropene <MDL ug/L .5 10/24/2001 SV 524.2 Trichloroethene <MDL ug/L .5 10/24/2001 SV 524.2 Trichlorofluoromethane < MDL ug/L .5 10/24/2001 SV 524.2 Vinyl chloride < MDL ug/L .5 10/24/2001 SV Acetone and 2-butanone are present in this sample. Acetone can be a by-product of the ascorbic acid which is used as the dechlorinating agent. We do normally see it samples at levels of < 5 ug/L. The level found in this sample is slightly higher than that. Acetone was present in the field blank at 57 ug/L. The source of 2-butanone in this sample is not known by this laboratory, however, we do see it in drinking water occasonally. There was no 2-butanone present in the field blank.
Organic Chemicals - 525.2 2,4-Dinitrotoluene <MDL ug/L 2.0 11/1/2001 DLV 2,6-Dinitrotoluene <MDL ug/L 2.0 11/1/2001 DLV 4,4-DDE < MDL ug/L 0.80 11/1/2001 DLV Acetochlor < MDL ug/L 2.0 11/1/2001 DLV
Approved Pam Dilsizian QA Officer Date Approved: 12/17/2001
Environmental Laboratories emailed Original 12/17/2001
NYS ELAP #10108 Page 6 of 7
NYC-WTC_000071580
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Laboratory report detailing chemical analysis results for silver, aluminum, and arsenic in drinking water samples collected from Hillview.
19 shared non-person entities · 1 shared topics · similarity 0.998
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