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GCMS analysis comments for sample AD29466 re-analysis required, Jan 2002

Machine-extracted title · confidence 95%

Laboratory comments on GCMS scan results for sample AD29466 noting low recovery and scheduling re-extraction.

NYC-WTC_000036614–000036644

Folder label: “GCMS X 12/6/01 A 12/12/01 - 12/13/01

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Scanned page image, NYC-WTC_000036637
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NYC 9/11 Public Portal Document Library Search Compound Report

Data File C:\HPCHEM\1\DATA\JAN0802\29466.D Vial: 6 Acq On 8 Jan 2002 5:14 pm Operator: 209 GALOS Sample Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\GCMS0103.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L

Peak Number 14 3-Isopropoxy-1,1,1,7,7,7-hexam Concentration Rank 5

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

32.94 20.14 ug/1 6503570 Chrysene-dl2 32.84

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 3-Isopropoxy- 1,1,1,7,7,7-hexamethyl 576 C18H5207Si7 071579-69-6 38 2 1,1,1,5,7,7,7-Heptamethyl-3,3-bis(t 444 C13H40O5Si6 038147-00-1 23 3 9,12,15-Octadecatrienoic acid, 2,3- 496 C27H5204Si2 055521-22-7 17 4 N-(Trifluo/oacetyl) -0,0’,O'1-tris(t 481 C19H34F3NO4Si3 000000-00-0 14 'Abundance Scan 3038 (32.936 min): 29466.D (-) m/ Z 73.00 100.00% 73

5000 147 221 281 355 401 429 249. 327, I 32.60 32.80 33.00 33.20

m/z~> 0+4550— ..... -PT ■ 1914—— 250 300 350 400 117 100 150 200 450 500 550 TPA-TTTPTTTITT m/z 147.00 47.33% Abundance #60503: 3-lsopropoxy-1,1,1,7,7,7-hexamethyl-3,5.5-tris(trim 73

5000 147 32.60 32.80 33.00 33.20

221 281 39- air m/ z 221.05 30.23% 1 ■ ■ i ■ 1 1 1 i ' H f, [ 415 519 561 m/z--> 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 73 .................—............. 147 32.60 32.80 33.00 33.20 5000 267 m/z 355.00 19.21 355 429 45 1 207 —.... — I . 'I ' ‘ I I m/z-> 50 100 150 200 250 300 350 400 450 500 550 ■Abundance #58836: 9,12,15-Octadecatrienoic acid, 2,3-bis[(trimethylsi 73 32.60 32.80 33.00 33.20 147 m/z 281.10 18.38% 220 5000 109 191 281 249 — ,31-452, .................. /................. miz-> 50 100 150 200 250 300 350 400 450 500 550 32.60 32.80 33.00 33.20

29466.D GCMS0103.M Wed Jan 09 16:16:58 2002 Page 14

NYC-WTC_000036637

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NYC-WTC_000036637Source: NYC Law Department, mirrored locally

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