GCMS blank results for volatile organics, April 2002

NYC 9/11 Public Portal Document

38 11.522 1434 1437 1438 PV 2 1711 14334 0.01% 0.003% 39 11.910 1498 1503 1513 W 4 3754 85899 0.04% 0.017% 40 12.462 1584 1597 1602 W 54885 858377 0.43% 0.173%

41 13.485 1761 1771 1784 W 2283087 40915016 20.33% 8.225% 42 13.567 1784 1785 1789 W 5 3069 52649 0.03% 0.011% 43 13.638 1789 1797 1801 W 2 7753 169718 0.08% 0.034% 44 13.878 1833 1838 1843 W 2 3507 72512 0.04% 0.015% 45 14.783 1984 1992 1998 W 2 2385 62635 0.03% 0.013%

46 15.559 2112 2124 2129 W 4 3784 110231 0.05% 0.022% 47 15.753 2151 2157 2174 W 2 3683 117528 0.06% 0.024% 48 15.929 2182 2187 2194 W 3 1857 40876 0.02% 0.008% 49 16.799 2330 2335 2339 W 3 3915 79167 0.04% 0.016% 50 16.840 2339 2342 2348 W 3 4258 84388 0.04% 0.017%

51 17.122 2388 2390 2394 PV 1889 20599 0.01% 0.004% 52 17.210 2401 2405 2407 W 1666 21282 0.01% 0.004% 53 18.209 2570 2575 2583 W 4 2173 33733 0.02% 0.007% 54 18.626 2635 2646 2661 W 2428624 45360622 22.54% 9.119% 55 18.720 2661 2662 2666 W 3 2698 41980 0.02% 0.008%

56 18.873 2681 2688 2694 W 4 5665 123540 0.06% 0.025% 57 19.026 2710 2714 2717 W 2 3558 54956 0.03% 0.011% 58 19.595 2795 2811 2817 W 2491 98659 0.05% 0.020% 59 19.842 2842 2853 2860 W 3 3166 99761 0.05% 0.020% 60 19.913 2860 2865 2867 PV 1689 25943 0.01% 0.005%

61 19.960 2867 2873 2875 W 2 2254 40111 0.02% 0.008% 62 19.989 2875 2878 2883 W 2 1694 25290 0.01% 0.005% 63 20.212 2908 2916 2929 W 148476 2589998 1.29% 0.521% 64 20.306 2929 2932 2937 W 3 2405 38580 0.02% 0.008% 65 20.389 2937 2946 2957 W 2 44408 756713 0.38% 0.152%

66 20.477 2957 2961 2965 W 4 2340 35599 0.02% 0.007% 67 20.506 2965 2966 2970 W 1481 16222 0.01% 0.003% 68 20.600 2973 2982 2989 PV 258655 4620373 2.30% 0.929% 69 20.882 3026 3030 3034 W 5 2878 40096 0.02% 0.008% 70 20.982 3041 3047 3049 W 2 1951 32681 0.02% 0.007%

71 21.064 3049 3061 3068 W 3 12611 365105 0.18% 0.073% 72 21.123 3068 3071 3079 W 3 4685 86406 0.04% 0.017% 73 21.211 3084 3086 3091 W 2 3959 55138 0.03% 0.011% 74 21.299 3091 3101 3110 W 9 5359 216407 0.11% 0.044% 75 21.405 3110 3119 3125 W 7 3738 102473 0.05% 0.021%

76 21.458 3125 3128 3130 W 2 2576 32457 0.02% 0.007% 77 21.564 3143 3146 3150 PV 2 1921 29879 0.01% 0.006% 78 21.634 3150 3158 3160 W 2 2122 35068 0.02% 0.007% 79 21.822 3180 3190 3195 W 61566 1116488 0.55% 0.224% 80 21.863 3195 3197 3204 W 3 16537 336505 0.17% 0.068%

81 21.934 3204 3209 3216 W 8 8263 242662 0.12% 0.049% 82 22.028 3219 3225 3230 W 3 7233 182141 0.09% 0.037% 83 22.087 3230 3235 3246 W 8 5681 190429 0.09% 0.038% 84 22.181 3246 3251 3255 W 4 2654 49849 0.02% 0.010% 85 22.216 3255 3257 3261 W 3 2631 42600 0.02% 0.009%

86 22.257 3261 3264 3276 W 3 3148 92232 0.05% 0.019% 87 22.345 3276 3279 3282 W 4 2850 46125 0.02% 0.009%

0409LB.D 041702SCAN.M Thu Apr 18 09:41:56 2002 Page 2

NYC-WTC_000048229