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GCMS analysis results for sample AD31590, Feb 28 2002

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Laboratory report documenting GCMS analysis of sample AD31590 conducted on February 28, 2002.

NYC-WTC_000038187–000038195

Folder label: “GCMS X 2/21/02 A 2/22/02

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NYC 9/11 Public Portal Document 0 o Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\FEB2102\31590.D Vial: 40 Acq On : 23 Feb 2002 5:34 am Operator: Sample : gc/ms scan 2/21 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 1,3-Dioxolane, 2-methyl- Concentration Rank 1

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

8.20 4.07 ug/1 350060 1,4-Dichlorobenzene-d4 12.33

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 1,3 -Dioxolane , 2-methyl- 88 C4H802 000497-26-7 9 2 Silane, tetramethyl- 88 C4H12Si 000075-76-3 9 3 N-Ethylformamide 73 C3H7NO 000627-45-2 9 4 Pentane. 3-methoxy- 102 C6H140 _ 036839-67-5 9 Abundance Scan 344 (8.203 min): 31590.D (-) m/z 73.00 100.00% 7)3

5000- 43 ■ i • • ■ • i ■ ■

|........ 87.......... 103 7.80 8.00 3.20 40 8.60 38 |, | 50 55, . 67, । n | . 1nn i r i 1 ; r-f-i-1 [ m/ z 43.0,5 29.57% miz->10 20 30 40 50 60 70 80 90 100 110 Abundance #62902: 1,3-Dioxolane, 2-methyl- i 73

5000- 43 7.80 8.00 8.20 8.40 8.60 58 m/z 45.05 11.22% 87 27 m/z-> 10 20 30 40 50 60 70 80 .90 100 110 Abundance #62932; Silane, tetramethyl- 73

7.80 8.00 8.20 8.40 8.60 5000- m/z 41.05 10.64%

45 । 15 .............. ,| 53. 59 .............................. 88............ I 1 ' • m/z-> 10 20 30 40 50 60 70 80 90 100___ 110 'Abundance #292: N-Ethylformamide 33 7.80 8.00 8.20 8.40 8.60 73 m/ z 71.00 7.51%

5000- 44 58

I m/z-> i ■ 10 15 ' ■ ■ i 20 J - -------- ----- 30 40 I ■ i • ■ 50 60 70 80 T , , [-r-n-T-j-. , , . । r 90 100 110 7.80 3.00 8.20 8.40 8.60

31590.D GCMS0208.M Wed Feb 27 12:04:47 2002 Page 1

NYC-WTC_000038194

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NYC-WTC_000038194Source: NYC Law Department, mirrored locally

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