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DEP GCMS unknown compounds report, Mar 2002

Machine-extracted title · confidence 95%

GCMS analysis report dated March 6, 2002, listing other unknown compounds and surrogate recovery data for a different sample.

NYC-WTC_000003762–000003774

Folder label: “GCMS X 1/25/02 A 2/26/02

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Scanned page image, NYC-WTC_000003769
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NYC 9/11 Public Portal Document

• Data File : C:\HPCHEM\1\DATA\FEB2502\1803.D Vial: 29 Acq On : 26 Feb 2002 5:30 pm Operator: Sample : gc/ms scan 1/25 fb Inst : GC/MS 209 Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\GCMS0208.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 3-Isopropoxy-l,1,1,7,7,7-hexam Concentration Rank 3

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

37.47 0.71 ug/1 38120 Perylene-dl2 38.05

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 3-Isopropoxy/1,1,1,7,7,7-hexamethyl 576 C18H5207Si7 071579-69-6 25 2 Mercaptoacetic acid, bis(trimethyls 236 C8H20O2SSi2 006398-62-5 12 3 Acetic acid/, [(1,3-dihydro-1,3-diox 267 C11H9N05S 042300-59-4 10 4 Acetic acid. [(trimethylsilyl)oxy]- 220 C8H20O3Si2 033581-77-0 10 Abundance Scan 3532 (37.465 min): 1803.D (-) m/ z 73.00 1 00.00% 73 147

5000 221 231 355 1 I ' ' ' 1 I ' 1

i 1931 ' ' 25311' ' 1 I "I 429 m/z37.20147.00 37.40 37.60 37.80 68.05% m/Z-> 50 100 150 200 250 300 350 400 450 500 550 Abundance #60503: 3-isopropoxy-i.1,i,7,7,7-hexamethyi-3.5,5-tris(trim 7

5000 147 A T A 37.20 37.40 37.60 37.80

221 44.54% 281 I 327 I 415 519 561 1 ' i ■ ’ ' 1 i ' ' m/z-> 50 100 150 200 250 300 350 400 450 500 550 Abundance 73 147 ' 1 1 1 1 1 ' 1 ' i ‘ 1 1 1 i - ■ i ■ ■ 37.20 37.40 37.60 37.80 5000 m/z 355.05 25.47% 221 45 104 193 1 ' i ■ ' ' ■ i ' 1 m/z-? 50 100 150 200 250 300 350 400 450 500 550 Abundance :#37101: Acetic acid, [(1,3-dihydro i,3-dioxo-2H-isoindo!-2- Trbtt "TIEt ' i ' ' ' ■ i ' ' 1 7 37.20 37.40 37.60 37.80 104 76 46 5000 194

267 — 219 | ■ ' I ' ' ' ' I ' ' m/z-> 50 100 150 200 250 300 350 400 450 500 550 37.20 37.40 37.60 37.80

1803.D GCMS0208.M Thu Feb 28 11:54:06 2002 Page 1

NYC-WTC_000003769

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NYC-WTC_000003769Source: NYC Law Department, mirrored locally

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