GCMS blank analysis for sample AD30694, Jan 2002

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Blank analysis report showing non-detectable levels of target organic compounds in sample AD30694.

NYC-WTC_000018069–000018092

Folder label: “GCMS X 12/27/01 A 1/16/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File C:\HPCHEM\1\DATA\DEC3101\LED.D Vial: 26 Acq On 1 Jan 2002 1:10 pm Operator: 209 GALOS Sample gems scan 12/19 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 Silane, tetramethyl- Concentration Rank 3

R.T. EstConc Area Relative to ISTD R.T. 7.62 3.49 ug/1 1064030 1,4-Dichlorobenzene-d4 11.67

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Silane,/ tetramethyl- 88 C4H12Si 000075-76-3 9 2 1,3-Dioxolane, 2-methyl- 88 C4H802 000497-26-7 9 3 Pentane, 3-methoxy- 102 C6H140 036839-67-5 9 4 1,3-Dioxolane, 2-pentadecyl - 284 C18H36O2 004360-57-0 9 Abundance Scan 280 (7.617 mln): LBD.D (-) m/z 73.00 100.00% 73

5000 43 .*71/1/*-1-/r/1/11/1/1/1/1/7/B, 7.20 7.40 7.60 7.80 8.00 • ‘ i ■ ■ ■ ■ i ■ • ■ ■ i ■ 38,11,1, TIII .I • • । • • 87 1 1 । । । । 103 । ।, , j i m/z 43.05 31.45% miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #62932: Silane, tetramethyl- 73

5000 |T I 3 4 L i 41 . । r » . » { i i j > i 7.20 7.40 7.60 7.80 8.00 45 m/z 45.05 11.89% 15 | 53 59 88 ■ ■ i ■ ■ i ■ • • ■ i ■ • , , । I I . . j >1’7 , . . > j l ■ ■ i ' 1 ■ ■ i 1 1 ■ ■ i ■ ■ ■ ■ i ■ m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #62902: 1,3-Dioxolane, 2-methyl- 73 l • ■ it । r rr /r r i . । । • ■ j ‘ * 7.20 7.40 7.60 7.80 8.00 5000 43 m/z 41.05 11.25% 58 27 87 .1* • I ■ ■ ■ 1 i • ■ ■ • i ■ ■ ■ ■ i ■ ■ ■ ' i ' ■ • ■ i ■ • ■ • i ■ m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #1793: Pentene, 3-methoxy- • i ■ i • 1 1 ■ i ■ • • 1 i • • 73 7.20 7.40 7.60 7.80 8.00 m/ z 71.0.0 7.07% 5000 45

........... 27 33 39 T i “ | i tad JFELA | R1 J i | ! FT 55 • i ' •'■ ■ i • • ■ • | i ' ‘ ■ i • ' ' ‘ i ■ 1 ‘ ■ i • • ' ■ i ' miz-> 10 20 30 40 50 60 70 80 90 100 110 7.20 7.40 7.60 7.80 8.00

LBD.D GCMS1126.M Wed Jan 23 09:01:55 2002 Page 1

NYC-WTC_000018075

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NYC-WTC_000018075Source: NYC Law Department, mirrored locally

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