GCMS blank analysis results for sample AE06430, April 2002

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Laboratory report documenting GCMS blank analysis of sample AE06430 conducted on April 17, 2002.

NYC-WTC_000039453–000039468

Folder label: “GCMS X 3/19/02 A 4/17/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\HPCHEM\l\DATA\APR1702\LB.D Vial: 3 Acq On : 17 Apr 2002 10:13 am Operator: Sample : gc/ms scan 3/19 Inst : 209 Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS0412.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L Peak Number 7 3-Isopropoxy-1,1,1,7,7,7-hexam Concentration Rank 2

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

40.50 8.80 ug/1 788043 Perylene-d12 37.87

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 3-Isopropoxy-1, 1,1,7,7,7-hexamethyl 576 C18H5207Si7 071579-69-6 37 2 3,6-Dioxa/2,4,5,7-tetrasilaoctane, 294 C10H3002Si4 004342-25-0 32 3 1,1,1,5,7, 7,7-Heptamethyl-3,3-bis(t 444 C13H40O5Si6 038147-00-1 28 4 Trisiloxane, 1,1,1,5,5,5-hexamethyl 384 C12H3604Si5 003555-47-3 25 Abundance Scan 3862 (40.503 min): LB.D (-) m/ z 73.00 100.00% 73 147 221 5000 281 355 429 40.20 40.40 40.60 40.80 44 1 'i 117, j 191 249, 1327 401 1 I ' ‘ ‘ ' I 11 11 I ‘ 1 r-rj --- T I I I I I I I I I I I I T m/z 146.95 69.99% mlz—> 50 100 150 200 250 300 350 400 450 500 550 Abundance #60503: 3-Isopropoxy-1 ,1,1,7,7,7-hexamethyl-3,5,5-tris(trim 73

5000 ■ 13 TIII 1 I I ' I I I I I I I I I I I I 1 147 40.20 40.40 40.60 40.80 m/z 221.0559.27% 221 281 327 561 415 1 1 i , I - —L ■ । ■ ■ ■ ■ - i 519 ■ । • m/z-> 50 100 150 200 250 300 350 400 450 500 550 Abundance #41682: 3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4,5,5,7,7- 147 221

73 40.20 40.40 40.60 40.80 5000 m/ Z 2 81.00 32 . 77% 191 117 279 t । | P 4 i | I i i i | i i i । | I । । । । । । i — ( i i i । i r 1 1 । ‘ 1 ----- mlz—> 50 100 150 200 250 300 350 400 450 500 550 Abundance #56714:1,1,1,5,7,7,7-Heptamethyl-3,3-bis(trimethylsiloxy)t 11’11111/1/11/1/1 73 40.20 40.40 40.60 40.80 m/z 355.00 32.42% 147 5000 267 355 429 45 207

1 1 i ■ 1 1 ' । ‘ 1 1 i 1 1 1 1 r1 1' 1 1 1 1 1 IT I I I I I TT I I I I I I CT I I I I TT ' 1 i ■ ' 1 1 r 1 1 ( ' I ' - ' 1 1 ' 1 1 m/z—> 50 100 150 200 250 300 350 400 450 500 550 40.20 40.40 40.60 40.80

LB.D GCMS0412.M Thu Apr 18 10:56:37 2002 Page 7

NYC-WTC_000039465

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NYC-WTC_000039465Source: NYC Law Department, mirrored locally

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GCMS analysis results for sample AE06456, April 2002 · Box DEP Box 23

NYC-WTC_000039611

Laboratory report documenting GCMS analysis of sample AE06456 conducted on April 19, 2002, by the DEP.

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