GCMS analysis results for sample AD31675, Jan 2002

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Laboratory report for sample AD31675 documenting detection of unknown compounds and surrogate recovery on January 25, 2002.

NYC-WTC_000050294–000050316

Folder label: “GCMS X 1/3/02 A 1/22 - 1/23/02”

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NYC 9/11 Public Portal Document Library Search Compound Report Data-File : C:\MSDCHEM\1\5973N\02JAN24\31675A.D Vial: 2 Acq On : 24 Jan 2002 12:31 pm Operator: Sample : 508scan; re-inj Inst : Instrumen Mise : January 24, 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 2 Methacrylamide $$ 2-Propena... Concentration Rank 10 R.T. EstConc Area Relative to ISTD R.T. 4.25 0.14 ug/L 59657 1,4-Dichlorobenzene-d4 9.72 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Methacrylamide $$ 2-Propenamide, ... 85 C4H7NO 000079-39-0 36 2 2-Pyrrolidinone (CAS) $$ Pyrroli... 85 C4H7NO 000616-45-5 9 3 Cyclopropanecarboxylic acid (CAS... 86 C4H602 001759-53-1 9 4 3-Methyl-2-propenamide 85 C4H7NO 000000-00-0 9 Abundance Scan 77 (4.253 min): 31675A.D (-) m/z 85.00 100.00% 85 41

5000

57 60 A AI I ■ ‘ ’ * I ■ ‘ ‘ ‘ I 4.00 4.20 4.40 A. 4.60

z-> 20 25 30 35 40 .45.....50 4 1111,11—1—33237971113111" 55 60 65 70 75 80 85 90 95 m/z 41.10 71.37% Abundance #3602: Methacrylamide $$ 2-Propenamide, 2-methyl- $$ alph... 85 41

5000 44 69 A A 4.00 4.20 4.40 4.60 m/z 43.10 44.43% 38

mlz-> 20 0 T 25 11 53 30 35 40 45 50 55 60 65 70 75 80 85 90 95 ..sal.. .. —pomp Abundance #3615:2-Pyrrolidinone (CAS) $$ Pyrrolidone $$ Butyrolacta...

42 85 • • i • 4.00 A./A.... 4.20 4.40 4.60 5000 m/z 39.10 27.78%

iz-> 11111" i''1 ■ i ‘1 “ i ■'1 • 38 52 —Ppr 1 i ■'1 ■ i' " ■ i ■1 ■ • i “ “ i " 202530 35 40455055 60 65 70 75 80 85 -mmm 90 95 Abundance #3763: Cyclopropanecarboxylic acid (CAS) $$ Carboxycyclopr... । k । * i . . . » । r 41 4.00 4.20 4.40 4.60 rn/z 60.00 20.22% 85

5000 58 69 27 45 37 ■ ■ i ■ ■ “ i1 —ITH ’13 —H —PPP i1 “ ■ ।1 - “ । ■ 1111111 “ i1 1 1 1 1 1 1 1 t 1 r' 1 I '1 ' 1 1 1 n/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

31675A.D SCAN508.M Thu Jan 24 15:25:29 2002 Page 4

NYC-WTC_000050305

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NYC-WTC_000050305Source: NYC Law Department, mirrored locally

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GCMS analysis results for sample AD31674, Jan 25 2002 · Box DEP Box 28

NYC-WTC_000050276

Laboratory report documenting GCMS analysis of sample AD31674 with detection of unknown compounds and surrogate recovery.

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