GCMS blank analysis results for VOCs, March 2002

NYC 9/11 Public Portal Document — I

Data File : C:\HPCHEM\l\DATA\MAR2202\LBB.D Vial: 31 Acq On : 23 Mar 2002 11:41 pm Operator: Sample : gc/ms scan 2/25 Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\GCMS0308.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L

Peak Number 1 N-Ethylformamide Concentration Rank 2

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

8.15 2.73 ug/1 334562 1,4-Dichlorobenzene-d4 12.27

Hit# of 5 Tentative ID MW Mol Form- CAS# Qual

1 N-Ethylfyrmamide 73 C3H7NO 000627-45-2 9 2 Silane,/tetramethyl- 88 C4H12Si 000075-76-3 9 3 Pentane, 3-methoxy- 102 C6H140 036839-67-5 9 4 Butane, 2-methoxy-2-methyl- 102 C6H140 000994-05-8 9 Abundance Scan 338 (8 146 min): LBB D () :.. m/z..... 7 3.00...... 100.0 0 % 73

5000 43 i* । * 1 1 1 [ । 55 87 103 7.80 8.00 8.20 8.40__ 1 ' i 1 1 r i 1 ' 1 1 i ' —38 441 67,1 ' 1 | ! I ! I | 1*1 m/z 43.05 30.01% miz-? 10 20 30 40 50 60 70 80 90 100 110 Abundance #292: N-Ethylformamide 30 73

5000 I 1 1 1 - 1 1 44 58 7.80 8.00 8.20 8.40____ m/ z 4 5.05 10.37% 15 | [ 1 1 | * 1 1 1 । 1 1 i 1 j * 1 1 ■ । 1 ।1! । । * । । । । '''. । । 1 । । । ! .> । । । । । । । । ! । ! । i miz->____ 10. 20__ 30 40 50 60 70__ 80 90 100 110 Abundance .7 73 ' 1 I ■ ■ ■ 1 i ) ' r ■ ■ i 1 1 ' ■ i ' 1 1 1 i ' 7.80 8.00 820 8.40 __ 5000 m/z 41.05 9.93%

45 15 53 59 88 ' i ' ■ ■ ' i 1 ■ ■ ■ i 1 ' ■ 1 i ' ■ ' ■ i 1 ' 1 ■ i ■ ■ 1 ■ i ' 1 1 1 1 1 1 1 1 I 1 ‘ ' i ■ ■ 1 ■ i ' ' 1 m/z->.... 10.. .20 .. 30 _ 40___ 50 .. 60 .. 70 80 90 100 110 Abundance #1793: Pentane, 3-methoxy- -P TPA -PPP 73 7.80 8.00 8.20 8.40__ m/z 71.00 6.43% 5000 45

27 3 3 39, 55 ■ i ■ ■ ■ ■ -1 ■ ■ ■ ■ i ■i — TT I | ! I I ! | I ! I I TT 111/1/1-1E1111/11/1/1111/1/1/1/1 m/z—> 10 20 30 40 50 60 70 80 90 100 110 7.80 8.00 8.20 8.40

LBB. D GCMS0308.M Tue Mar 26 10:51:01 2002 Page 1

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