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GC/MS analysis results for sample AD22551, Sept 2001

Machine-extracted title · confidence 100%

Laboratory report documenting GC/MS analysis of sample AD22551 conducted on September 27, 2001, identifying unknown compounds.

NYC-WTC_000087059–000087067

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

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NYC 9/11 Public Portal Document

LSC Area Percent Report Data File : C:\HPCHEM\l\DATA\SEP2601\22551.D Vial: 5 Acq On : 26 Sep 2001 2:07 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 6.576 186 190 197 rBV 32979 71419 2.51% 0.523% 2 6.677 197 201 212 rW 46278 117534 4.14% 0.861% 3 6.805 212 215 224 rW 20805 45773 1.61% 0.335% 4 6.925 224 228 242 rVB 26358 67468 2.38% 0.494% 5 7.961 337 341 354 rBB 43624 102316 3.60% 0.750% 6 10.409 604 608 611 rBV 19951 35533 1.25% 0.260% 7 10.611 627 630 636 rBB 21779 40155 1.41% 0.294% 8 11.849 762 765 770 rBB 22717 41273 1.45% 0.302% 9 11.996 775 781 803 rBV 1003437 2214540 77.97% 16.227% 10 15.609 1169 1175 1202 rBV 1335397 2840378 100.00% 20.813% 11 20.882 1745 1750 1760 rBV 1295881 2794126 98.37% 20.474% 12 25.302 2226 2232 2257 rBV2 1049809 2458324 86.55% 18.014% 13 33.307 3099 3105 3123 rBV2 668565 1624091 57.18% 11.901% 14 37.415 3545 3553 3574 rBV2 402855 1194126 42.04% 8.750%

Sum of corrected areas: 13647056 22551.D NP072501.M Thu Sep 27 11:12:57 2001

NYC-WTC_000087065

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NYC-WTC_000087007 · Box DEP Box 67

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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