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GC/MS analysis report for sample AD22493, September 2001

Machine-extracted title · confidence 95%

Laboratory results for sample AD22493 indicating other unknown compounds detected via GC/MS on September 27, 2001.

NYC-WTC_000086827–000086851

Folder label: “508 Scan 9/15/01 9/26/01

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NYC 9/11 Public Portal Document

LSC Area Percent Report Data File : C:\HPCHEM\l\DATA\SEP2501\22493.D If Vial: 4 Acq On : 25 Sep 2001 5:22 pm Operator: 209 GALOS Sample ; GC/MS unknown Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Method ; C:\HPCHEM\1\METHODS\NP091101.M (RTE Integrator) Title ; 209 625/TCLP calibration table 7/16/01 Smoothing : OFF Filtering; 5 Sampling : 1 Min Area: 1 % of largest Peak Start Thrs: 0.2 Max Peaks: 100 Stop Thrs : 0 Peak Location: TOP

If leading or trailing edge < 100 prefer < Baseline drop else tangent > Peak separation: 5

Signal : TIC

peak R.T. first max last PK peak peak peak % of # min scan scan scan TY height area % max. total

1 6.394 142 147 153 rBV 22623 50556 1.55% 0.234% 2 6.495 154 158 169 rW 37060 104288 3.20% 0.483% 3 6.633 169 173 177 rVV2 18621 42397 1.30% 0.196% 4 6.743 181 185 193 rVB 25142 53791 1.65% 0.249% 5 7.771 293 297 309 rBV 58900 146966 4.51% 0.681%

6 11.645 715 719 729 rBV 26000 65751 2.02% 0.305% 7 11.783 729 734 746 rBV 918295 2358221 72.30% 10.927% 8 15.400 1121 1128 1141 rBV 1522191 3238285 99.28% 15.005% 9 20.688 1697 1704 1713 rBV 1524328 3261815 100.00% 15.114% 10 25.113 2179 2186 2198 rBV2 1402721 2968654 91.01% 13.755%

11 29.537 2662 2668 2674 rBV 325106 607762 18.63% 2.816% 12 29.657 2676 2681 2686 rVB 83616 162351 4.98% 0.752% 13 29.776 2689 2694 2699 rBV 46284 92147 2.83% 0.427% 14 30.731 2793 2798 2804 rBV 133787 259924 7.97% 1.204% 15 31.677 2895 2901 2906 rBV 265998 530754 16.27% 2.459% 16 31.768 2906 2911 2920 rW 256192 512328 15.71% 2.374% 17 31.897 2920 2925 2930 rVB2 23312 46857 1.44% 0.217% 18 32.760 3013 3019 3025 rBV 273745 540730 16.58% 2.505% 19 33.155 3055 3062 3071 rBV2 1033307 2355649 72.22% 10.915% 20 33.724 3115 3124 3131 rBV 289131 636929 19.53% 2.951%

21 34.642 3219 3224 3234 rVB 236349 483140 14.81% 2.239% 22 35.532 3316 3321 3330 rBV 202822 423723 12.99% 1.963% 23 36.395 3410 3415 3422 rBV 121354 273801 8.39% 1.269% 24 37.267 3503 3510 3515 rBV2 727557 2026169 62.12% 9.388% 25 37.332 3515 3517 3525 rVB2 86806 187731 5.76% 0.870%

26 38.406 3630 3634 3640 rVB 29957 79561 2.44% 0.369% 27 39.663 3766 3771 3779 rVB3 21940 71737 2.20% 0.332%

Sum of corrected areas: 21582017

22493.D NP091101.M Wed Sep 26 11:36:30 2001

NYC-WTC_000086833

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NYC-WTC_000086786 · Box DEP Box 67

Series of administrative records documenting Section 508 accessibility scans conducted at the World Trade Center site between September 15 and 26, 2001.

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