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GCMS comments for sample AD28595, Dec 2001

Machine-extracted title · confidence 100%

Laboratory analyst notes on GCMS scan results and recovery rates for sample AD28595 analyzed in early December 2001.

NYC-WTC_000034759–000034780

Folder label: “GCMS X 11/23/01 A 11/29/01

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File C:\HPCHEM\1\DATA\DEC0 601\28594.D vial: 3 Acq On 6 Dec 2001 1:05 pm Operator: 209 GALOS Sample re extract Inst : GC/MS 209 MisC : 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. 7.61 2.83 ug/l 1036840 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, t tramethyl- 88 C4H12Si 000075-76-3 9 3 1,3-Dioxo ane, 2-methyl- 88 C4H802 000497-26-7 5 4 Ether / 74 C4H1O0 000060-29-7 4 Abundance Scan 279 (7.606 min): 28594.D (-) m/z 73.00 100.00% 73

5000 43

87 103 7.20 7.40 7.60 7.80 8.00

mlz-> Ui ............... + - 207 TrprTTTyTrrTprrrpTTTyTrTTpTTTpTrTpTTTpT^ 10 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 m/z 43.05 25.56% Abundance #292: N-Ethylformamide 33 73

5000 i'1' n 111 7.60 ' 44 58 7.20 7.40 7.808.00 m/z 41.05 9.69%

nk~> .15—1 m TTTTTTggTpT 10 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 Abundance #845: Silane, tetramethyl- 73 | । । ' I 1 1 TIT ' 1 7.20 7.40 7.60 7.80 8.00 5000 m/z 45.05 9.36%

45 15 31 , 55 ,___ 88 I I'1''I 1 TTmT TTTTT |....|....|....|....|.,..|..,.|..ii|inl|lirrpiii|iiii| mlz-> 10 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 Abundance #62902:1,3-Dioxolane, 2-methyl- 73 7.20 7.40 7.60 7.80 8.00 m/z 71.00 6.52% 5000 43

58 87 27 m m # 111 ri TTTTTTTTTp ' T’T.' ITT r i i-1 i i i , -j-r . . . । i i Tl/Z-> 10 20 30 40 50 60 70 80 90 100110120130140150160170180190 200210 7.20 7.40 7.60 7.80 8.00

28594.D GCMS1126.M Thu Dec 06 15:01:18 2001 Page 1

NYC-WTC_000034765

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NYC-WTC_000034765Source: NYC Law Department, mirrored locally

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