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GC/MS analysis results for sample AD22552, Sept 2001

Machine-extracted title · confidence 100%

Laboratory report documenting GC/MS analysis of sample AD22552 conducted on September 27, 2001, identifying unknown compounds.

NYC-WTC_000087068–000087087

Folder label: “508 Scan 9/18/01 9/27/01

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Scanned page image, NYC-WTC_000087075
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NYC 9/11 Public Portal Document

LSC Area Percent Report Data File : C:\HPCHEM\l\DATA\SEP2601\22552.D Vial: 6 Acq On : 26 Sep 2001 4:15 pm Operator: GALOS Sample : GC/MS unknown Inst : GC/MS Ins Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Method : C:\HPCHEM\1\METHODS\NP072501.M (RTE Integrator) Title : 208 625/TCLP calibration table 7/25/01 Cl IS 5 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 6.578 186 190 198 rBV 33481 70222 2.71% 0.549% 2 6.679 198 201 211 rW 46870 114954 4.44% 0.899% 3 6.807 211 215 223 rVV2 19876 46448 1.79% 0.363% 4 6.926 224 228 239 rVB 28459 68801 2.66% 0.538% 5 7.963 337 341 355 rBB 54656 124862 4.82% 0.976% 6 11.851 761 765 770 rBB 21224 39198 1.51% 0.306% 7 11.997 776 781 793 rBV 973315 2053775 79.26% 16.053% 8 15.610 1169 1175 1188 rBV 1250570 2591282 100.00% 20.255% 9 20.892 1745 1751 1760 rBV 1163573 2546782 98.28% 19.907% 10 25.303 2226 2232 2246 rBV2 977692 2212400 85.38% 17.293% 11 29.705 2708 2712 2718 rBV2 10720 26423 1.02% 0.207% 12 29.815 2720 2724 2730 rVB 12472 26409 1.02% 0.206% 13 30.888 2837 2841 2848 rBV 14131 29556 1.14% 0.231% 14 31.924 2949 2954 2965 rBV 35617 92701 3.58% 0.725% 15 32.914 3058 3062 3074 rBV2 24942 70644 2.73% 0.552% 16 33.309 3099 3105 3124 rBV2 595964 1470288 56.74% 11.492% 17 33.868 3160 3166 3174 rBV 24385 75068 2.90% 0.587% 18 34.776 3261 3265 3271 rBV 12364 35301 1.36% 0.276% 19 37.417 3547 3553 3574 rBV2 367373 1098350 42.39% 8.585%

Sum of corrected areas: 12793464 22552.D NP072501.M Mon Oct 01 13:03:14 2001

NYC-WTC_000087075

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NYC-WTC_000087075Source: NYC Law Department, mirrored locally

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Series of administrative records documenting Section 508 accessibility scans conducted at the World Trade Center site between September 18 and 27, 2001.

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