GC/MS results for unknown compounds and surrogates, sample AE10901, May

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Laboratory report showing GC/MS analysis of sample AE10901 with surrogate recovery data for 2,4-DDD.

NYC-WTC_000023871–000023886

Folder label: “GCMS X 5/10/02 A 5/14/02”

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NYC 9/11 Public Portal Document L

Data File : C:\MSDCHEM\1\DATA\051402\10901.D Vial: 8 Acq On : 14 May 2002 7:12 pm Operator: Mclean Sample : 5/10 kb Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e

Method : C:\MSDCHEM\1\METHODS\050102.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 3.132 3 9 18 BV 4 2811 49138 ' 0.10% 0.017% 2 3.555 77 81 90 PV 7 2162 39179 0.08% 0.013% 3 3.679 95 102 105 PV 5 1541 25475 0.05% 0.009% 4 3.720 105 109 111 W 5 2400 44797 0.09% 0.015% 5 3.761 111 116 121 W 7 2100 44086 0.09% 0.015%

6 4.272 197 203 214 PV 6 2947 72646 0.15% 0.025% 7 5.036 330 333 344 PV 3 4713 128638 0.26% 0.044% 8 5.430 393 400 408 W 3 6053 134513 0.27% 0.046% 9 5.976 484 493 512 W 913680 15554866 31.41% 5.293% 10 6.099 512 514 527 W 4 4090 111226 0.22% 0.038%

11 6.669 606 611 613 PV 5 1753 18152 0.04% 0.006% 12 7.727 785 791 802 W 9731 253877 0.51% 0.086% 13 8.121 854 858 865 W 6 1565 21242 0.04% 0.007% 14 8.749 960 965 973 PV 2 6955 134450 0.27% 0.046% 15 9.043 1008 1015 1020 W 7 1931 44562 0.09% 0.015%

16 9.255 1046 1051 1055 W 4 1698 31268 0.06% 0.011% 17 9.319 1055 1062 1068 W 5 1750 44272 0.09% 0.015% 18 9.936 1157 1167 1185 PV 1867643 33931502 68.53% 11.547% 19 10.065 1185 1189 1199 W 2 15397 293940 0.59% 0.100% 20 10.200 1207 1212 1220 W 2 5029 77489 0.16% 0.026%

21 12.410 1579 1588 1596 W 3 4060 66785 0.13% 0.023% 22 13.432 1748 1762 1783 PV 2454892 45816259 92.53% 15.591% 23 13.585 1783 1788 1793 W 2 8981 153610 0.31% 0.052% 24 13.931 1841 1847 1850 W 4 1680 24992 0.05% 0.009% 25 15.700 2140 2148 2154 PV 4 1986 33659 0.07% 0.011%

26 16.746 2319 2326 2336 W 4 3831 83146 0.17% 0.028% 27 17.151 2382 2395 2403 BV 4 9463 157453 0.32% 0.054% 28 17.662 2477 2482 2487 W 4 4658 68367 0.14% 0.023% 29 18.567 2626 2636 2674 PV 2587070 49516658 100.00% 16.850% 30 20.547 2950 2973 2987 BV 1494971 29173093 58.92% 9.927%

31 21.217 3078 3087 3100 PV 2 50903 809091 1.63% 0.275% 32 21.399 3111 3118 3129 W 2 13902 238617 0.48% 0.081% 33 22.022 3217 3224 3234 W 3 3742 82035 0.17% 0.028% 34 22.580 3313 3319 3329 W 2 18389 331922 0.67% 0.113% 35 22.956 3372 3383 3403 PV 2 2278853 47406645 95.74% 16.132%

36 23.109 3403 3409 3418 W 2 20977 535454 1.08% 0.182% 37 23.174 3418 3420 3439 W 5 4081 121239 0.24% 0.041%

10901.D 050102.M Thu May 16 14:35:35 2002 Page 1

NYC-WTC_000023876

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NYC-WTC_000023876Source: NYC Law Department, mirrored locally

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Laboratory report showing GC/MS analysis of sample AE10980 with surrogate recovery data for 2,4-DDD.

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