GCMS analysis results for sample AE10779, May 2002

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Gas chromatography-mass spectrometry report for sample AE10779 showing detection of unknown compounds and surrogate recovery.

NYC-WTC_000045919–000045931

Folder label: “GCMS X 5/6/02 A 5/11/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\HPCHEM\1\DATA\MAY1002\10779.D Vial: 23 Acq On : 11 May 2002 10:33 am Operator: Sample : GC/MS SCAN 5/6 fb Inst : 209 Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\GCMS0510.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 3 3-Isopropoxy-1,1,1,7,7,7-hexam Concentration Rank 2 R.T. EstConc Area Relative to ISTD R.T. 38.74 1.19 ug/1 57911 Perylene-dl2 37.84

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 3-Isopropoxy-1, 1,1,7,7,7-hexamethyl 576 C18H5207Si7 071579-69-6 23 2 Trisiloxane, 1,1,1,5,5,5-hexamethyl 384 C12H3604Si5 003555-47-3 10 3/1,2-Benzenedicarboxylic acid, bis(t 310 C14H22O4S12 002078-22-0 9 4 2 (3H) -Thiazolimine, 3-hydroxy-4-(3- 273 C9H8C1N3O3S 058275-70-0 9 "Abundance Scan 3678 (38.740 min): 10779.D (-) m/z 73.10 100.00% 73

147 5000 221 281 355 । i ■ ■ ■ ■ i ■ 38.40 38.60 38.80 39.00

m/z-> 4450—100 1 1?1 L,, i "It ' 1 r i 1 ' 150 200 27__ 250 । i | । । i ‘ | i t i | i i I i | i i i I | k1 I I | I I m/z 147.05 64.23% 300 350 400 450 500 550 Abundance #60503: 3-lsopropoxy-1,1,1,7,7,7-hexamethyl-3,5,5-tris(trim 73

5000 ' 1 1 1 1 ' 1 I ’ • ' » I 1 1 1 1 I 1 1 I 1 147 38.40 38.60 38.80 39.00 m/z 221.10 47.40% 221 281 327 415 510 . _ ‘4111′111*1‘11 . j .... I । /1*‘‘I‘‘L 519 561 ‘I‘**IIIIII* m/z-> 50 100 150 200 250 300 350 400 450 500 550 Abundance #52459: Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trimet 73 147 I I | l l । | । i > i । I r I i p" I I' I I | 'f 281 38.40 38.60 38.80 39.00

t 5000 m/z 281.00 27.98%

369 207 249 ---------------------------- 338 | Tl/Z-> 50 100 150 200 250 300 350 450 500 400 550 Abundance #72973: 1,2-Benzenedicarboxylic acid, bis(trimethylsilyl) e 147 38.40 38.60 38.80 39.00 73 m/z 207.05 24.61% AoAW/Loptt 5000

45 295 I 119 193221 ' 1 i 1 1 ' 1 1 +4 T"TT | • ] । j 1 । । । i । । I । >~ । । i । । । । । । । i i" i i i i ।—।—i i i । i r ■ ' । ■ r । ■ - r ■ । । i < । । ‘ । । । > m/z-> 50 100 150 200 250 300 350 400 450 500 550 38.40 38.60 38.80 39.00

10779.D GCMS0510.M Mon May 13 15:50:08 2002 Page 3

NYC-WTC_000045928

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