GCMS analysis results for sample AE10703, May 20 2002

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Gas chromatography-mass spectrometry report for sample AE10703 showing detection of unknown compounds and surrogate recovery.

NYC-WTC_000045778–000045792

Folder label: “GCMS X 5/3/02 A 5/13/02”

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NYC 9/11 Public Portal Document Library Search Compound Report

Data File : C:\MSDCHEM\1\DATA\020513\10703.D Vial: 14 Acq On : 14 May 2002 1:24 am Operator: Nefliu Sample : sample Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: rteint.e Quant Method : C:\MSDCHEM\1\METHODS\SCAN020507.M (RTE Integrator) Title : Method 508 GC/MS Scan Library : C:\DATABASE\nist98.1 ********************************************************************* Peak Number 1 2-Propanone, 1,1,1-trichloro- Concentration Rank 2

R.T. EstConc Area Relative to ISTD R.T. 6.12 0.58 ug/1 46252 1,4-Dichlorobenzene-d4 11.38 Hit# Of 5 Tentative ID MW MolForm CAS# Qual

1 2-Propanone, 1,1,1-trichloro- 160 C3H3C130 000918-00-3 38 2 3-Pentyn-^-one, 5,5-diethoxy- 170 C9H1403 055402-04-5 9 3 1-Fluorononane 146 C9H19F 000463-18-3 9 4 2-Acetyl/hiazole 127 C5H5NOS 024295-03-2 7 Abundance 7 Scan 518 (6.123 min): 10703.D (-511) (-) m/ z 43.10 100.00% 43

5000

................. 35 1 I 63 83 ''i111 'I1''11 ''I' — ‘ 1’11011111111111 97 P '1'p11 '111 ■. P ... I 11711..... 5.80 6.00 6.20 m/z 125.10 6.40 9.42% n/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 Abundance #3877: 2-Propanone, 1,1,1 -trichloro- 43

5000 ............. AA 1 i ■ ■ ■ r i ■ ■ ■ ■ । 1 ■ । ■ । ■ 1 ■ ■ । 5.80 6.00 6.20 6.40 m/z47.05 8.42% 15 07

m/z-> Abundance 10 I 27 35 1 ■ , ''l53 PTttt 20 63 ' I73 11,1 I'1 30 40 83 97 117125 ' ' 1 1 1 1 1 1 ' I1 1 '‘'‘I " 1 1 | ' ''''I 1 ' ''''I । । । । P । । । |l MI | I I I I | I I

43 50 60 70 80 90 100 110 120 130 140 150 160 170 #5306: 3-Pentyn-2-one, 5,5-diethoxy- I 5.80 6.00 6.20 6.40 5000 55 m/z 97.00 7.90%

83 97 125 । 69 ......... ..... I v/... i । DI l 1 M p I M P ' M | , I r 141 169 Tmmmr i " " i " " i " 111" " r 1 n/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 ......... |......... Abundance #4248:1-Fluorononane ■ ' 1 । 1 ' 1 1 । ' 1 1 1 । । । । ' । ' । । । । 43 5.80 6.00 6.20 6.40 m/z 83.00 7.63% 55 5000 29 70 84 g7

10703.D SCAN020507 .M Wed May 15 08:59:05 2002 Page 3

NYC-WTC_000045784

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NYC-WTC_000045784Source: NYC Law Department, mirrored locally

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GCMS analysis results, sample AE10701, May 2002 · Box DEP Box 25

NYC-WTC_000045748

Gas chromatography-mass spectrometry analysis of sample AE10701 conducted May 20, 2002, detecting unknown compounds and 2,4-DDD at 82% recovery.

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