GCMS analysis results, sample AE07972, April 18, 2002

Machine-extracted title · confidence 80%

Gas chromatography-mass spectrometry analysis of sample AE07972 documenting other unknown compounds and a 2,4-DDD surrogate recovery value of 76.

NYC-WTC_000047535–000047550

Folder label: “GCMS X 4/4/02 A 4/15/02”

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NYC 9/11 Public Portal Document

LSC Area Percent Report

Data File C:\MSDCHEM\1\DATA\020415\07972 . D Vial: 12 Acq On 15 Apr 2002 7:47 pm Operator: Nefliu Sample sample Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e

Method : C:\MSDCHEM\1\METHODS\041202SCAN.M (Chemstation Integrator) Title : 508 Modified GC/MS scan

Signal : TIC

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

1 3.150 4 12 20 BV 3 12188 247155 0.49% 0.091% 2 3.390 46 53 59 PV 2 9314 156849 0.31% 0.058% 3 3.437 59 61 70 W 3 2246 53352 0.11% 0.020% 4 3.590 82 87 94 PV 6 1973 37475 0.07% 0.014% 5 3.667 94 100 106 W 2 14553 237143 0.47% 0.087%

6 3.767 112 117 118 W 5 3052 55233 0.11% 0.020% 7 3.796 118 122 137 W 5128 162209 0.32% 0.060% 8 4.207 185 192 200 W 4 2810 85333 0.17% 0.031% 9 4.313 207 210 217 W 6 2567 47857 0.10% 0.018% 10 4.795 288 292 296 W 3 2526 40680 0.08% 0.015%

11 4.889 303 308 321 W 4 2951 94511 0.19% 0.035% 12 4.995 321 326 335 W 4 3185 66456 0.13% 0.025% 13 5.071 335 339 343 PV 6 1848 34620 0.07% 0.013% 14 5.147 346 352 362 W 5 9072 191030 0.38% 0.070% 15 5.970 487 492 4 99 PV 22966 417800 0.83% 0.154%

16 6.040 499 504 517 W 28972 533282 1.06% 0.197% 17 7.492 746 751 762 PV 4 3570 58039 0.12% 0.021% 18 8.861 978 984 990 BV 4 2935 56308 0.11% 0.021% 19 9.989 1155 1176 1193 W 1838661 31900387 63.61% 11.766% 20 10.306 1224 1230 1240 W 3 4593 97718 0.19% 0.036%

21 10.424 1244 1250 1256 W 5 2345 48319 0.10% 0.018% 22 11.910 1497 1503 1511 W 4 7531 125683 0.25% 0.046% 23 12.080 1526 1532 1540 PV 2 2180 48637 0.10% 0.018% 24 13.485 1762 1771 1784 PV 2451516 42250816 84.25% 15.584% 25 13.637 1791 1797 1803 BV 4987 78158 0.16% 0.029%

26 13.878 1833 1838 1845 W 4 2604 35752 0.07% 0.013% 27 15.753 2153 2157 2163 PV 3 1847 27803 0.06% 0.010% 28 16.804 2327 2336 2348 BV 3 3514 68996 0.14% 0.025% 29 18.632 2623 2647 2662 PV 2806573 49587352 98.88% 18.290% 30 18.732 2662 2664 2667 W 4 1086 12817 0.03% 0.005%

31 20.206 2909 2915 2928 W 3 2174 52373 0.10% 0.019% 32 20.600 2972 2982 2991 PV 221892 3972037 7.92% 1.465% 33 21.816 3185 3189 3194 PV 4 2363 34720 0.07% 0.013% 34 22.645 3324 3330 3337 W 2 15187 265015 0.53% 0.098% 35 23.021 3381 3394 3414 PV 2 2625371 50151029 100.00% 18.498%

36 23.174 3414 3420 3430 W 20732 489010 0.98% 0.180% 37 23.238 3430 3431 3433 W 2 1773 13842 0.03% 0.005%

07972.D 041202SCAN.M Tue Apr 16 13:42:31 2002 Page 1

NYC-WTC_000047539

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NYC-WTC_000047539Source: NYC Law Department, mirrored locally

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Laboratory report documenting GCMS analysis of sample AE07977 conducted on April 18, 2002.

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