GCMS unknowns report for sample AE02460, March 2002

Machine-extracted title · confidence 90%

Laboratory report detailing analysis of unknown compounds and surrogate recovery for sample AE02460.

NYC-WTC_000038801–000038816

Folder label: “GCMS X 3/4/02 A 3/20/02”

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NYC 9/11 Public Portal Document DEdLtil woupour RCPOL L

Data File : C:\HPCHEM\l\DATA\MAR1902\2460.D Vial: 19 Acq On : 20 Mar 2002 10:44 pm Operator: Sample : gc/ms scan 3/4 fb Inst : GC/MS 209 Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\GCMS0308.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 8 3,6-Dioxa-2,4,5,7-tetrasilaoct Concentration Rank 6

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

45.61 0.53 ug/1 56829 Perylene-dl2 37.97

Hit# of 5 Tentative, ID MW MolForm CAS# Qual

1 3,6-Dioxa-2,4,5,7-tetrasilaoctane, 294 C10H3002Si4 004342-25-0 38 2 Ethanedioic acid, bis (trimethylsily 234 C8H1804Si2 018294-04-7 14 3 Mercaptoacetic acid, bis (trimethyls 236 C8H20O2SSi2 006398-62-5 12 4 1,2-Benzenedicarboxylic acid, bis(t 310 C14H2204Si2 002078-22-0 10 Abundance Scan 4418 (45.607 min): 2460.D (-) .m/z 73.00 ..100.00% 73 147 221

5000 281 355 429 III ■ l ■ •

m/z-2 40 - 1 96 11"' I" " 1" 1253 1I — 11 1 1 I ' 1 1 1 ] ' 1 1 1 I ‘ ' ‘I 40 60 80 100120140160180 200 220 240 260 280 300 320 340 360 380400 420 327 X 1 11111 45.20 45.40 45.60 45.80 46.00 m/z 146.95 77.92% Abundance #41682: 3,6-Dioxa-2,4,5,7-tetrasilaoctane,2,2,4,4,5,5,7,7- 147 211

73 .... 5000 M A 1 AA MMA - —AAA 45.20 45.40 45.60 45.80 46.00 191 117 279 m/z 221.05 77.19% -TTT 11’11111177 I rm !11110101111111111111 m/z-. 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 420 Abundance 230080.2 1 i r :pold h; " r 0000) ester 73 147

45.20 45.40 45.60 45.80 46.00 5000 m/z 207.00 37.38% 45 ww/W A/Ad 190 219 TTOO—mnmmOpWnOOOTTWT]UTmmgT m/z->...... 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 420 Abundance #30949: Mercaptoacetic acid, bis(trimethyisiiyi> 73 45.20 45.40 45.60 45.80 46.00 147 m/z 355.05 33.85% 5000 221 45 ___ 104 193 111111 "I '*111'' TIOp i''" i" " i " ‘' i' THTTTT I < I ■ ■. 1 . I I i । i i i I | I V. F | . . m/z-> 40 60 80 100 123 140 160 180 200 220 240 260 280 300 320 340 360 380 400 42( 45.20 45.40 45.60 45.80 46.00

2460.D GCMS0308.M Thu Mar 21 14:15:23 2002 Page 8

NYC-WTC_000038815

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NYC-WTC_000038815Source: NYC Law Department, mirrored locally

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