GCMS blank analysis results for sample AE00027, Jan-Feb 2002

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Laboratory report showing non-detect results for volatile organic compounds in a GCMS blank analyzed on January 25-February 7, 2002.

NYC-WTC_000050716–000050734

Folder label: “GCMS X 1/4/02 A 1/25/02”

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NYC 9/11 Public Portal Document

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Data File : C:\MSDCHEM\l\5973N\02JAN25\0104BA.D Vial: I . Acq On : 25 Jan 2002 10:12 am Operator: Sample : lab blank 1/4 a Inst : Instrumen Mise : January 25, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\1...\SCAN508.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 10 4,4-Dimethylcyclooctene Concentration Rank 13 R.T. EstConc Area Relative to ISTD R.T. 21.33 0.03 ug/L 22418 Phenanthrene-dl0 22.65 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 4,4-Dimethylcyclooctene 138 C10H18 000000-00-0 25 2 Hexane, 2,2,3,4,5,5-hexamethyl-,... 170 C12H26 055258-16-7 10 3 Borane, diethylmethyl- (CAS) $$ ... 84 C5H13B 001115-07-7 9 4 Hexane, 2,3,3-trimethyl- $$ 2,3,... 128 C9H20 016747-28-7 9 Abundance Scan 1573 (21.332 min): 0104BA.D (-) m/z 57.10 100.00% 57 71 43 85 5000 ------- 99 21.00 21.20 21.40 21.60 ■ i ■■'■ i ■ ■ ■ ■ I' ., Il........ — 1 1 I 1 v‘i I I I I | I I I . । TCIFTBIEL/" | M I I j l I M । I I I 1 | m/z 71.10 80.87% miz-> 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Abundance #34435:4,4-Dimethylcyclooctene 57 43 85

5000 ' ■ I । । । I 1 1 1 > I TT 21.00 21.20 21.40 21.60 27 99 m/z 43.10 64.82% 71

m/z-> 20 ....... ................... . 30 40 ylr PTT 50 60 70 80 90 100 110 120 130 140 150 —Pm— i ■ ■ ' ■ i ■ ' ■ ■ i''' ■ i

Abundance #74457: Hexane, 2,2,3,4,5,5-hexamethyl-, (meso)- . 57 TIITBIBTTTTnTT 43 21.00 21.20 21.40 .21.60 5000 85 m/z 85.10 59.12%

69 1 .. 1.. ' 96 111 151 ■ i ■ ■ ■11'''1111 ‘ I ■ i' ■ ■ ■ i''1 ■ i ■TTTUuuutuummTTTTTT ' > i ■ TH mlz-> 20 30 40 50 60 70 90 100 110 120 130 140 150 80 Abundance #3398: Borane, diethylmethyl- (CAS) $$ Methyldiethylborane... PmnmmTTTTTTTTTT 57 21.00 21.20 21.40 21.60 69 m/z 41.10 29.55% 83 5000

TT 4 T‘10—ut—ntti—n‘‘nwn‘T m/z—> 20 30 40 50 60 70 80 90 100 110 120 130 140 150 21.00 21.20 21.40 21.60

0104BA.D SCAN508.M Mon Jan 28 09:50:07 2002 Page 12

NYC-WTC_000050730

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NYC-WTC_000050730Source: NYC Law Department, mirrored locally

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