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GC/MS analysis report for sample AD22494, September 2001

Machine-extracted title · confidence 95%

Laboratory results for sample AD22494 indicating other unknown compounds detected via GC/MS on September 27, 2001.

NYC-WTC_000086852–000086871

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\22494.D Vial: 5 Acq On : 25 Sep 2001 6:21 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 5.139 8 11 21 rVB 15580 37839 1.11% 0.188% 2 6.378 142 146 152 rBV 17940 38365 1.12% 0.191% 3 6.488 152 158 162 rBV 31238 68012 1.99% 0.339% 4 6.736 181 185 195 rVB 23061 48240 1.41% 0.240% 5 7.765 293 297 307 rBV 52980 136998 4.00% 0.682%

6 10.454 584 590 596 rBV2 24403 41251 1.20% 0.205% 7 11.648 715 720 729 rVB 25831 65299 1.91% 0.325% 8 11.786 729 735 751 rBV 967327 2449865 71.54% 12.196% 9 15.403 1122 1129 1147 rBV 1562940 3344467 97.67% 16.649% 10 20.681 1698 1704 1724 rBV 1520758 3424324 100.00% 17.047%

11 25.115 2180 2187 2197 rBV 1427816 3042194 88.84% 15.145% 12 29.540 2663 2669 2675 rBV 249789 472577 13.80% 2.353% 13 29.650 2676 2681 2687 rW 55071 108673 3.17% 0.541% 14 29.779 2690 2695 2702 rVB 33751 66508 1.94% 0.331% 15 30.734 2794 2799 2805 rVB 87902 172706 5.04% 0.860%

16 31.670 2895 2901 2907 rBV 187431 385013 11.24% 1.917% 17 31.771 2907 2912 2918 rW 168553 340734 9.95% 1.696% 18 32.763 3015 3020 3028 rVB 177820 352148 10.28% 1.753% 19 33.148 3055 3062 3071 rBV2 976717 2274864 66.43% 11.325% 20 33.717 3116 3124 3130 rBV 204202 421131 12.30% 2.096% 21 34.644 3220 3225 3233 rVB 143929 318038 9.29% 1.583% 22 35.526 3316 3321 3328 rBV 129919 288767 8.43% 1.438% 23 36.398 3410 3416 3425 rBV 76356 201305 5.88% 1.002% 24 37.270 3503 3511 3516 rBV2 675898 1878708 54.86% 9.353% 25 38.408 3631 3635 3642 rVB4 ■ 21519 61929 1.81% 0.308% 26 39.657 3767 3771 3780 rBV6 13750 47593 1.39% 0.237%

Sum of corrected areas: 20087548 22494.D NP091101.M Wed Sep 26 15:26:35 2001

NYC-WTC_000086868

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NYC-WTC_000086868Source: NYC Law Department, mirrored locally

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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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