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GCMS analysis comments, sample AD29140, Dec 2001

Machine-extracted title · confidence 100%

Laboratory report noting GCMS scan results for sample AD29140 with one compound recovery outside acceptance range.

NYC-WTC_000036029–000036039

Folder label: “GCMS X 11/30/01 A 12/11/01

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Scanned page image, NYC-WTC_000036036
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OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\DEC1001\29140.D Vial: 37 Acq On : 11 Dec 2001 11:46 pm Operator: 209 GALOS Sample : gc/ms scan ll/30a Inst : GC/MS 209 Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\GCMS1126.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 N-Ethylformamide Concentration Rank 1

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

7.60 2.84 ug/1 784888 1,4-Dichlorobenzene-d4 11.67

Hit# Of 5 Tentative ID MW MolForm CAS# Qual

1 N-Ethylformamide 73 C3H7NO 000627-45-2 9 2 Silane, tetramethyl- 88 C4H12Si 000075-76-3 9 3 Pentane, 3-methoxy- 102 C6H140 036839-67-5 9 4 1,3-Dioxolane, 2-methyl- 88 C4H802 000497-26-7 5 Abundance 7........... ........ Scan 279 (7.603 mln): 29140.D (-) m/z 72.95 100.00% 73

5000 43 T-J r1T-r I1611 I5‘"II 1 7.20 7.40 7.60 7.80 8.00

i. i _ 3% , 1 50 55 go 0 • • i • • • • i » • • * i * • » » I .1,1 ' I'1'1 1 1 1 r 1 1 1 1 1 67, । —,———— 87 I?3 TTm m/z 43.00 27.08% miz-? 10 20 30 40 50 60 70 80 90 100 110 Abundance #292: N-Ethylformamide 30 73

5000 I ‘ '

58 7.20 7.40 7.60 7.80 8.00 44 m/ z 44.9,5 10.22% 15 1 . IP ‘ ' r‘ i ■ • • ■ । • 1 • ■ i • ■ ■ ‘ i • • • • i ■ 1 ■ ■ i ■ miz-> 10 20 30 40 50 ' 60 70 80 90 100 110 Abundance #845: Silane, totramethyl- | 73 ----- rm r ■ 7.20 7.40 7.60 7.80 8.00 5000 rn/z 41.0.0 9.49% 45 15 31 55 88 • • i ■ • • ■ i ■ ■ ■ ■ i ■ ■ ■ ■ । ■ 1 ■ ■ i ■ ■ ■ ■ । ■ • ■ ■ i ■ ■ ■ ■ । ■ • ■ ■ i 1 1 1 1 i 1 ' 1 111 miz-> 10 20 30 40 50 60 70 80 90 100 110 (Abundance #1793: Pentane, 3-methoxy- “TTPTmmrrrr 73 7.20 7.40 7.60 7.80 8.00 m/z 71.00 6.26% 5000 45

27 33 39 55 • • i • • • • j « • • * । . j i • • TIT 1 l r TI —or j 1 f r »J * i I i | » । « « j i J i > 188 J J “V m/z~> 10 20 30 40 50 60 70 80 90 100 110 7.20 7.40 7.60 7.80 8.00

29140.D GCMS1126.M Fri Dec 21 15:07:42 2001 Page 1

NYC-WTC_000036036

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NYC-WTC_000036036Source: NYC Law Department, mirrored locally

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