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GC/MS results for unknown compounds and surrogates, sample AE10982, May

Machine-extracted title · confidence 100%

Laboratory report showing GC/MS analysis of sample AE10982 with surrogate recovery data for 2,4-DDD.

NYC-WTC_000023925–000023948

Folder label: “GCMS X 5/10/02 A 5/14/02

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Scanned page image, NYC-WTC_000023943
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NYC 9/11 Public Portal Document ULLOLCLY DtaLCil LOILpOUIIC RCDOL L

Data File : C:\MSDCHEM\1\DATA\051402\10982.D Vial: 11 Acq On : 14 May 2002 9:39 pm Operator: Mclean Sample : 5/10 kb Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e

Quant Method : C:\MSDCHEM\l\METHCDS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DAT7kBASE\NIST98.L ********************************************************************* Peak Number 11 2,4-Di-tert-butylthiophenol Concentration Rank 12 R.T. EstConc Area Relative to ISTD R.T. 33.14 0.31 ug/L 261602 Perylene-dl2 34.71 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2,4-Di-tert-butylthiophenol 222 C14H22S 019728-43-9 9 2 5H-Benzo[b]pyran-8-ol, 2,3,5,5,8... 222 C14H2202 097306-66-6 9 3 1,2-Benzenediol, 3,5-bis(1,1-dim... 222 C14H22O2 001020-31-1 9 4 Silane, trimethyl[5-methyl-2-(1-... 222 C13H22OSi 055012-80-1 9 Abundance Scan 5117 (33.144 min): 10982.D (-5115) (-) m/z 207.00 100.00% 207

5000 267 431 357 40 148 I 1 ' * 1 I ‘ 32.80 33.00 33.20 33.40 0- I , I 1295 m/z 431.00 49.17% m/z-> 50 100 150 200 250 300 350 400 Abundance #84717: 2,4-Di-tert-butylthiophenol 57 207

5000 ' ' I 1 ‘ ' I ' 1 ' 1 1 1 * 1 ' 1 1 29 32.80 33.00 33.20 33.40 91 115 151 m/z 267.00 45.37% 1 ■ I. p . aal, 4 1 w „ h,l4n . 1 ■ . JI 1179 Ur

A 0- 1 m/z-> 50 100 150 200 250 300 350 400 Abundance #84707:5H-Benzo[b]pyran-8-ol, 2,3,5,5,8a-pentamethyl-6,7,... 43 207 123 ■ ■ i ■ ■ I ' * ' ' I ‘ 32.80 33.00 33.20 33.40 5000 m/z 356.90 40.86% 149 91 i, 69 I i 177 0- . ji yi .* miz-> 50 100 150 200 250' ‘ '360 ' 350 ' ' 400' Abundance #84897:1,2-Benzenediol, 3,5-bis(1,1-dimethylethyl)- ■ ■ i 1 ' ■ ■ i ' ' I 1 * ' ' I ' 207 32.80 33.00 33.20 33.40 m/ z 190.90 40.62% 5000

57 91 123 151 179 o ' ' I ' ' ' ' I ’ 1 ii ■ ■ ■ i 7ll m/z-> 100 150 200 250 300 350 400 32.80 33.00 33.20 33.40

10982.D 050102.M Thu May 16 14:38:19 2002 Page 14

NYC-WTC_000023943

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NYC-WTC_000023943Source: NYC Law Department, mirrored locally

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