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Volatile organic compounds blank results, Feb 28 2002

Machine-extracted title · confidence 95%

Laboratory analysis results for volatile organic compounds blank sample AE03921 dated February 28, 2002.

NYC-WTC_000020548–000020749

Folder label: “524 2/28/02 TO 3/2/02

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\HPCHEM\1\DATA\02FEB28\03938A.D Vial: 6 Acq On : 28 Feb 2002 12:51 pm Operator: Sample : nyc re-inj Inst : 210 Mise : February 28, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\HP021102.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 4 Cyclotetrasiloxane, octamethyl Concentration Rank 4 R.T. EstConc Area Relative to ISTD R.T. 24.88 0.05 ug/L 13579 CHLOROBENZENE-D5 23.35 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Cyclotetrasiloxane, octamethyl- 296 C8H24O4Si4 000556-67-2 38 2 6,7-Benzo-phenothiazine-5,5-dioxide 281 C16H11NO2S 000000-00-0 9 3 4-(1-Benzimidazyl)-7-nitro-2,1,3-ox 281 C13H7N503 091485-32-4 9 4 Benzene, l-phenyl-4-(2-cyano-2-phen 281 C21H15N 027869-56-3 9 Abundance Scan 1893 (24.876 min): 03938A.D (-) m/z 2 8 0.95 100.00% 281

5000 91 .24.60 24.80 25.00 25.20 51 78 ■ ■ ■ ■ i ■ ■ ■ ■" i ■ 106 119 133 193 249 265 [ m/Z 90.95 31.77% m/z-> 40 60 80 100 120 140 160 180 200 220 240 260 280 Abundance #41966: Cyclotetrasiloxane, octamethyl- 281

5000 "II ' * * * I ‘ ‘ 1 ' 1 ‘ * .24.60 24.80 25.00 25.20 m/z 282.15 21.80% 133 73 i I 163 177 191 T 235 249 265 m/z-> 40 60 80 100 120 140 160 180 200 220 240 260 280 Abundance #39602:6,7-Benzo-phenothiazine-5,5-dloxlde 2(11 1 i ■ ■ ■ ■ i ■ ' .24.60 24.80 25.00 25.20 m/z 5 17.3U% 5000

217 232 192 118...... 189 204-—25224 n/z-> 40 60 80 IPO 120 140 160 180 200 220 240 260 280 Abundance #39560:4-(1-Benzlmldazyl)-7-nitro-2,1,3-oxadiazole 211 .24,60 24.80 25.00 25.20 m/Z 132.95 16.42% 205 5000 76 50 102 I 63 Pn JO | 151 190 193, 218 /z—> 40 60 80 100 120 140 160 180 200 220 240 260 280 24.60 24.80 25.00 25.20

03938A.D HP021102.M Fri Mar 01 11:20:10 2002 Page 4

NYC-WTC_000020573

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NYC-WTC_000020573Source: NYC Law Department, mirrored locally

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