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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_000003803–000003816

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

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Scanned page image, NYC-WTC_000003813
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OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

. Data File : C:\HPCHEM\l\DATA\FEB2502\1802.D Vial: 28 Acq On : 26 Feb 2002 4:31 pm Operator: Sample : gc/ms scan 1/25 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 4 1,1,1,5,7,7,7-Heptamethyl-3,3- Concentration Rank 2

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

40.75 2.18 ug/1 115921 Perylene-dl2 38.05

Hit# Of 5 Tentative ID MW MolForm CAS# Qual

1 1,1,1,5,7,7,7-Heptamethyl-3,3-bis(t 444 C13H40O5Si6 038147-00-1 37 2 3-Isopropoxy-1,1,1, 7,7,7-hexamethyl 576 C18H5207Si7 071579-69-6 25 3 3,6-Dioxa-2,4,5,7-tetrasilaoctane, 294 C10H3002Si4 004342-25-0 17 4 Trisiloxane, 1,1,1,5,5,5-hexamethyl 384 C12H3604Si5 003555-47-3 12 Abundance j Scan 3890 (40.751 min): 1802.D (-) ’ m/ z 73.00.. 100.00% 147

221 5000- 281 355 40.40 40.60 40.80 41.00 ' '

A 429 ,i 191, 2-53, 1 327 . ,14011 — m/z 14 7.0,0 72.52% 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 '3

147 5000 267 40.40 40.60 40.80 41.00 ___ | 355 429 45 207 m/z 221.05 50.37% ------ m/z- 50 100 150 200 250 300 350 400 450 500 550 Abundance 73 ........... _ 40-40 40.60 40.80 41.00 ' 5000 m/z 281.0,0 28.97%

_A_ 147

221 231 327 415 519 561 m/z-> Abundance 50 100 #41682: 3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4,5,5,7,7- 150 200 250 300 350 400 450 500 550 1 7 221 40.40 40.60 40.80 41.00 ! m/z 355.05 25'. 39 % 73 5000 191 117 279 ... M 1 I ' ' ' ' I 1 1 ■ ' I ‘1/dt [ ‘ 14 m/z-> 50 100 150 200 250 300 350 400 450 500 550 40.40 40.60 40.80 41.00

1802.D GCMS0208.M Thu Feb 28 11:52:32 2002 Page 4

NYC-WTC_000003813

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NYC-WTC_000003813Source: NYC Law Department, mirrored locally

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