GCMS analysis results for sample AE03075, March 5 2002

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Laboratory report documenting gas chromatography-mass spectrometry results for sample AE03075 including surrogate recovery.

NYC-WTC_000010907–000010926

Folder label: “GCMS X 2/5/02 A 2/28/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report

• Data File : C:\MSDCHEM\l\5973N\02FEB28\02715.D vial: 5 Acq On : 28 Feb 2002 1:50 pm Operator: Sample : 508 scan Inst : Instrumen Mise : February 28, 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 4 2-Pyrrolidinone (CAS) $$ Py... Concentration Rank 4

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

4.25 0.15 ug/L 61880 1,4-Dichlorobenzene-d4 9.72

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Pyrrolidinone (CAS) $$ Pyrroli... 85 C4H7NO 000616-45-5 25 2 Methacrylamide 85 C4H7NO 000079-39-0 25 3 Hexane, 2-bromo- $$ 2-Bromohexane 164 C6H13Br 003377-86-4 17 4 Pentane, 2-bromo-4-methyl-________ 164 C6H13Br 030310-22-6 17 Abundance Scan 78 (4.254 min): 02715.D (-) m/z 85.00 100.00% 43 85

89 5000 55 60 A A 49 4.00 4.20 4.40 4.60 0! **144441*+4t-A481****1 1 1111114 m m/z 43.10 96.42%

y.. 11 ■ • m/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #3619:2-Pyrrolidinone (CAS) $$ Pyrrolidone $$ Butyrolacta... 85

— 5000 42 4.0) 4.20 4.40 4.60 56 m/z41.10 86.61% 3S 52 , 04 —mmmmmp "I ""I'11111" ‘ i1" • i “ ■ • i ‘" i " ■11 ■ ■ 1!11 ■ • i ’1 ■ ■ i1 “ miz-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #3601: Methacrylamide 41 85 ----- 4.00 4.20 4.40 4.60 5000 44 m/z 87.10 66.87% 69

iz-> 0+ ... 2730.41 ippopump 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 IIIsFBtgesttfru •‘"i "“i"

Abundance #63824: Hexane, 2-bromo- $$ 2-Bromohexane * 4 ′ }1 * 1+41′1444′1*** 43 4.00 4.20 4.40 4.60 m/z 89.00 59.77% 85 5000 27 55 i 69 0 TTTT 111 ■11H ■111 ■" । •1' 111 “ ■ i *1 ■1111 i‘“i'"'i1' ■n-jT •' * 11 i *' i • * * * । * * * * i ■ ■ । ■ ■ •11 ■ ■ ■ । ■ ■ ■ ■ i ■ • m/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 4.00 4.20 4.40 4.60

02715.D HP022102.M Fri Mar 01 10:07:07 2002 Page 6

NYC-WTC_000010916

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GCMS analysis results, sample AE02718, March 2002 · Box DEP Box 14

NYC-WTC_000010967

Gas chromatography-mass spectrometry analysis of sample AE02718 performed March 5, 2002, documenting other unknown compounds and surrogate 2,4-DDD recovery at 97 percent.

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