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← Document results/DEP Box 04/524 1/24/02
Document / 103 pages

DEP form with redacted names, Jan 24 2002

Machine-extracted title · confidence 75%

Multi-page DEP form containing redacted personal names and references to site operations in January 2002.

NYC-WTC_000000423–000000525

Folder label: “524 1/24/02”

Page image
Scanned page image, NYC-WTC_000000495
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document uUd11LLLdL1U11 XS ULL %1VUL 1CCVICWCU)

Data File : C:\HPCHEM\1\DATA\02JAN24\1232.D Vial: 12 Acq On : 25 Jan 2002 1:58 am Operator: 201-wb Sample : nyc 524 Inst : GC/MS Ins Misc : January 24, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Time: Jan 28 11:08 2002 Quant Results File: HP010702.RES

Quant Method : C:\HPCHEM\1\METHODS\HP010702.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Last Update : Fri Jan 25 14:13:49 2002 Response via : Initial Calibration DataAcq Meth : HP010702

Internal Standards R.T. Qlon Response Conc Units Dev(Min) -:

1) 1,4-DIFLUOROBENZENE 15.17 114 834325 5.00 ug/L 0.00 24) CHLOROBENZENE-D5 21.83 117 700844 5.00 ug/L -0.02 52) 1,4-DIFHLOROBENZENE-D4 27.00 152 294413 5.00 ug/L -0.02

System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 14.41 65 555553 5.13 ug/L -0.02 Spiked Amount 5.000 Recovery = 102.60% 3) 4-BROMOFLUOROBENZENE 24.41 174 229777 4.07 ug/L -0.02 Spiked Amount 5.000 Recovery = 81.40% 25) TOLUENE-D8 18.52 98 994343 5.33 ug/L -0.02 Spiked Amount 5.000 Recovery = 106.60%

Target Compounds Qvalue 6) VINYL CHLORIDE 5.69 62 4926 0.15 ug/L 97 8) CHLOROETHANE 6.68 64 2666 0.11 ug/L 87 10) Isopropyl Alcohol 7.94 45 7451 8.26 ug/L 88 12) ACETONE 8.31 43 36499 3.37 ug/L 91 14) METHYLENE CHLORIDE 9.68 49 32258 0.42 ug/L 95 18) 2-BUTANONE (MEK) 12.07 43 48395 3.17 ug/L 90 46) 2-HEXANONE 19.22 43 2064 0.13 ug/L 98 55) 1,2,3-TRICHLOROPROPANE 24.67 110 369 0.06 ug/L 68 --

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= qualifier out of range (m) = manual integration (#)

1232.D HP010702.M Mon Jan 28 11:09:05 2002 Page 1

NYC-WTC 000000495

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NYC-WTC_000000495Source: NYC Law Department, mirrored locally

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