GCMS analysis results, sample AE01139, 2,4-DDD, Feb 2002

Machine-extracted title · confidence 92%

Gas chromatography-mass spectrometry analysis report for sample AE01139 detecting surrogate 2,4-DDD at 76 ug with MDL of 5.0, analyzed on 02/27/2002.

NYC-WTC_000003483–000003502

Folder label: “GCMS X 1/20/02 A 2/25/02”

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NYC 9/11 Public Portal Document

Data File : C: \MSDCHEM\1\5973N\02FEB25\01139.D Vial: 5 Acq On : 25 Feb 2002 2:32 pm Operator: • Sample : 508 scan Inst : Instrumen Mise : February 25, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\MSDCHEM\l-..\HP022102.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L

Peak Number 7 Benzene, 1,2-dimethyl- Concentration Rank 11

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

6.58 0.04 ug/L 12640 1,4-Dichlorobenzene-d4 9.72

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Benzene, 1,2-dimethyl- 106 C8H10 000095-47-6 7 2 (1,1,1,3,3,3-hexadeuterio)-aceto... 106 C5H6D6N2 123499-00-3 4 3 cis-.alpha.,.beta.-Styrene-d2 $$... 106 C8H6D2 052751-11-8 4 4 Acetic acid, mercapto-, methyl e... 106 C3H602S 002365-48-2 4 Abundance Scan 284 (6.580 min): 01139.D (-) m/ z 91.00 100.00% 91 106 fl 50001

51 84 6.20 6.40 6.60 6.80 7.00 Of " i " " r' " i'" ' i" " i" " i ■"11 mmmr 111119111 " i"'' i1 m/z 106.00 69.95% m/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110115 Abundance #10727: Benzene, 1,2-dimethyl- 91

5000 106 1 i ' ■ ' ‘ i ' ' T-T-f-T-r-r-r-j-r 6.20 6.40 6.60 6.80 7.00 51 m/ z 51.10 24.00% 27 65 0- ‘ ■ i ■ ■ ■' i ■' ■' i ■'' ■ i ■ ■ ■ ■ i' ■ ■ ■ i'" ‘ i ' ■ ■ i11 ■' i ‘ ■ "“i1 TTH —pp mz-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110115 Abundance #8157: (1,1,1,3,3,3-hexadeuterio)-acetone N,N-dimethylhydr... 106

44 6.20 6.40 6.60 6.80 7.00 5000 m/ z 105.00 22.68%

miz-> 0 4lm 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110115 1 ‘ i ■' ■11 ■1 ■ ■ i ■'1' i ■' ■' i" " ir''11"' 1211111111

Abundance #10367: cis-.aIpha.,.beta.-Styrene-d2 $$ Benzene, ethenyl-... 106 ___ 6.40 6.60 ________ 6.20 6.80 7.00 m/z 83.95 11.14%

5000 79 MWAMuA/AoWM 0 " r "' i" " i" " 11" ■ i " " I"111" " I''" 11"11" " i'" ' i'' " " r "' i" " i"' ■ i "' "11 ■" ■ i' m/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110115 6.20 6.40 6.60 6.80 7.00

01139.D HP022102.M Tue Feb 26 08:30:11 2002 Page 9

NYC-WTC_000003495

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GCMS analysis results for sample AE01140, Feb 2002 · Box DEP Box 12

NYC-WTC_000003503

Laboratory report documenting GCMS analysis of sample AE01140 conducted on February 27, 2002.

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