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GCMS comments for sample AD26533 detecting 1,1,2,2-Tetrachloroethane

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Analysis report dated December 16, 2001, identifying 1,1,2,2-Tetrachloroethane at 0.72 ug/L in sample AD26533.

NYC-WTC_000031775–000031787

Folder label: “GCMS X 11/6/01 A 12/7/01

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File C:\HPCHEM\l\DATA\DEC0701\26533.D Vial: 7 Acq On 7 Dec 2001 11:35 pm Operator: GALOS Sample gc/ms unknown 11/6 Inst : GC/MS Ins Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\NP112701.M (RTE Integrator) Title : 208 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 4 Ethane, 1,1,2,2-tetrachloro- Concentration Rank 4

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

9.62 0.72 ng/uL 173071 1,4-Dichlorobenzene-d4 11.88

Hit# of 5 Tentative ID MW Mol Form CAS# Qual l Ethane, 1,1,2,2 - tetrachloro- 166 C2H2C14 000079-34-5 95 2 Ethane, 1,1,2,2-tetrachloro- 166 C2H2C14 000079-34-5 94 3 Ethane, l,2,2-trichloro-l,l-difluor 168 C2HC13F2 000354-21-2 81 4 Ethane, 1,1,2-trichloro-2-fluoro- 150 C2H2C13F 000359-28-4 72 Abundance Scan 521 (9.618 mln): 26533.D (-) m/z 82.9.5 100.00%

5000

1*‘11‘‘11111161111IT 36 47 61 9.20 9.40 9.60 9.80 10.00

miz-> TIIHamm 11 “1 ■ i ■ 30 40 50 60 40.... 11. 168. m/z 84.9, 70 80 90 100 110 120 130 140 150 160 170 61.19% Abundance #13774: Ethane, 1,1,2,2-tetrachloro- 83

5000 9.20 ' ' 9.40 “ 9.60 ' 9.80 ' 10.00 ' m/z 94.95 12.68% 35 47 . 95 131 — | . 4 m — I I | I I I I | I >I I | I ! I I | > | | I | 168 " i' ■ ■ ‘ i'i ■ ■ ■' i1 “ 11 ‘ " ■ i'' mz—> 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 Abundance #67919: Ethane, 1,1,2,2-tetrachloro- 83 9.20 9.40 9.60 9.80 10.00 5000 m/z 86.95 11.45%

147...80 ...... - i, 96 131 —HP ■ i ■ ‘1' i “ “ i ■ “ ' i11 “ I" > 111111111' ‘ । 168 miz-> 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 Abundance #68054: Ethane, 1,2,2-trichloro-1,1-difluoro- 83 9.20 9.40 9.60' 9.80 10.00 m/z 61.00 10.75% 5000 133 35 47 | 98 114■............. I...................... m/z-> 30 40 50 ' ' I " " I • ' ‘ ' I " ' ' | । 1 । । | I I I I | ! I > 111 ‘‘ 1 1,1 ’ I ‘‘111 ‘‘ I ’ 60 70 80 90 100 110 120 130 140 150 160 170 19.—7 9.20 9.40 9.60 9.80 10.00

26533.D NP112701.M Thu Dec 13 11:23:46 2001 Page 4

NYC-WTC_000031786

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