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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_000000482
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document uUd11LLLdL1ull i[C.PuLU 1VLL tLCV1CWCUJ

Data File : C:\HPCHEM\1\DATA\02JAN24\1230BF.D Vial: 9 Acq On : 24 Jan 2002 11:49 pm Operator: 201-wb Sample : nyc 524 field bl Inst : GC/MS Ins Misc : January 24, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Time: Jan 28 11:03 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 15.19 114 736144 5.00 ug/L 0.02 24) CHLOROBENZENE-D5 21.85 117 608960 5.00 ug/L 0.00 52) 1,4-DICHLOROBENZENE-D4 27.02 152 255114 5.00 ug/L 0.00

System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 14.42 65 490249 5.13 ug/L 0.00 Spiked Amount 5.000 Recovery = 102.60% 3) 4-BROMOFLUOROBENZENE 24.43 174 210589 4.22 ug/L 0.00 Spiked Amount 5.000 Recovery = 84.40% 25) TOLUENE-D8 18.54 98 876808 5.40 ug/L 0.00 Spiked Amount 5.000 Recovery = 108.00%

Target Compounds Qvalue 5) CHLOROMETHANE 5.39 50 2230 0.06 ug/L 81 6) VINYL CHLORIDE 5.77 62 3797 0.13 ug/L 81 7) BROMOMETHANE 6.70 94 2096 0.09 ug/L 62 9) TRICHLOROFLUOROMETHANE 7.38 101 4420 0-08 ug/L 98 10) Isopropyl Alcohol 7.87 45 3746 4.71 ug/L 99 12) ACETONE 8.33 43 125155 13.11 ug/L 97 14) METHYLENE CHLORIDE 9.68 49 59651 0.88 ug/L 96 18) 2-BUTANONE (MEK) 12.07 43 38816 2.85 ug/L 85 35) METHYL ISO-BUTYL KETONE 17.25 58 896 0.15 ug/L 33 37) TOLUENE 18.71 91 5407 0.05 ug/L 73 46) 2-HEXANONE 19.23 43 1476 0.11 ug/L 36 55) 1,2,3-TRICHLOROPROPANE 24.53 110 384 0.07 ug/L 84

------------------------------------------------------------------------- (#) = qualifier out of range (m) = manual integration 1230BF.D HP010702.M Mon Jan 28 11:03:16 2002 Page 1

NYC-WTC 000000482

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NYC-WTC_000000482Source: NYC Law Department, mirrored locally

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