GCMS analysis results, sample AD29666, January 2002

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Gas chromatography-mass spectrometry analysis of sample AD29666 identifying unknown compounds and surrogate recovery data (2,4-DDD at 72%), January 28, 2002.

NYC-WTC_000036831–000036841

Folder label: “GCMS X 12/7/01 A 1/2/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File C:\HPCHEM\l\DATA\DEC3101\29666.D Vial: 64 Acq On 3 Jan 2002 3:59 am Operator: 209 GALOS Sample gems scan 12/7 Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method C:\HPCHEM\1\METHODS\GCMS1126.M (RTE Integrator) Title 209 625/TCLP calibration table Library C: \DATABASE\NBS75K. L ********************************************************************* Peak Number 2 Cyclotetrasiloxane, octamethyl Concentration Rank 2

R.T. EstConc Area Relative to ISTD R.T.

11.12 0.66 ug/1 228027 1,4-Dichlorobenzene-d4 11.68

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Cyclotetrasiloxane, octamethyl- 296 C8H24O4Si4 000556-67-2 90 2 2-OxO-4-p:henyl-6- (4-chlorophenyl)-1 282 C16H11C1N2O 000000-00-0 9 3 3,6-Bis(N -dimethylamino) -9-ethylcar 281 C18H23N3 057103-04-5 9 4 Benzene/ 1-phenyl-4-(2-cyano-2-phen 281 C21H15N 027869-56-3 9 Abundance f Scan 662 (11.124 min): 29666.D (-) m/z 281.00 100.00% 281

5000-

73 133 193 10.80 11.00 11.20 11.40 207 2>r 249 265 ,, 45,59, L । 89 103 119 | TIT147 1631 1177rT I TT1 I J______235 1, 11 '1 I ’‘ ' I ' L, 4—-r m/z 282.00 30.73% m/z-> 40___ 60 80 100 120 140 .160 180 200 220 240 260 280 Abundance #41966: Cyclotetrasiloxane, octamethyl- 281

5000 .............. L 10.80 11.00 11.20 11.40

207 m/z 283.00 20.50% 73 133 163 177 191 — 235 249 265 | m/z-> 40 60 80 100 120 14t 160 180 200 220 240 260 280 •Abundance #39756; 2-Oxo-4-phenyl-6-(4-chlorophenyl)-1,2-dihydropyrirni i 281

10.80 11.00 11.20 11.40 5000 m/z 192.90 14.00%

102 123 141 175 204 247 ‘11"1111"1/11" m/z-> 40 60 80 100 120 140 160 180 200 220 240 260 280 Abundance #39624: 3,6-Bis(N-dimethylamino)-9-ethylcarbazole 281 10.80 11.00 11.20 11.40 m/z 133.00 12.37% 5000- 266

141 208 222 237 250 | * ......................................... ... ■ ■ ■ ■ i ■ ■ ■ ■ I • ■ • • i ■ ■ ■ ■ .................. — J',1. । A , . I1, / s I ' ' ' 1 I miz-> 40 60 80 100 120 140 160 180 200 220 240 260 280 10.80 11.00 11.20 11.40

29666.D GCMS1126.M Wed Jan 16 14:45:44 2002 Page 2

NYC-WTC_000036839

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GCMS analytical comments for sample AD29782, Jan 2002 · Box DEP Box 22

NYC-WTC_000037406

Laboratory notes stating that GCMS scanning of sample AD29782 did not reveal the presence of unusual compounds.

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