GCMS analysis comments for sample AD29134, Dec 17 2001

Machine-extracted title · confidence 95%

Lab notes for sample AD29134 indicate detection of di-n-butylphthalate and one LCS compound outside acceptance range.

NYC-WTC_000035865–000035875

Folder label: “GCMS X 11/30/01 A 12/10/01”

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\DEC1001\29134.D Vial: 10 Acq On : 10 Dec 2001 7:31 pm Operator: 209 GALOS Sample : gc/ms scan 11/30 Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\GCMS1126.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 N-Ethylformamide Concentration Rank 1

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

7.60 3.73 ug/1 984244 1,4-Dichlorobenzene-d4 11.67

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 N-Ethylformamide 73 C3H7NO 000627-45-2 9 2 1,3-Dioxolane, 2 -methyl- 88 C4H802 000497-26-7 9 3 Silane, tetram hyl- 88 C4H12Si 000075-76-3 9 4 1,3-Dioxolane, -2-(3-bromo-5,5,5-tri 352 C10H16BrC13O2 000000-00-0 9 Abundance Scan 278 (7.601 min): 29134.D (-) m/ z 73.0,0 100.00% 73

5000 43 7.20 7.40 7.60 7.80 8.00' 381, | 49 55 go 67 55.60 67,1 87 103 ‘ 1 i • ■ • • i • • • • i ■ • 1 11—DEEETTTET i ■ > 1 I ' 11 1 I 1 ■ ■ • i ■ 1 ‘ ■ i ■ ■ m/z 43.00 25.73% miz-? 10 20 30 40 50 60 70 .. 80 90 100 ... 110 Abundance #292: N-Ethylformamide 30 73

5000 ■I 1 ‘ ' TI TTT > > i > jTl i i | i r 44 58 7.20 7.40 7.60 7.80 8.00 m/z 44.95 10.11% 15 PP ■ ■ 1 181 i ‘ ' ■ ■ i ■ 1 ■ ' i ■ ‘ ■ i • ■ • ■ I ■ ■ ■ • I ‘ ' miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #62902: 1,3-Dioxolane, 2-methyl- 73 TI 11 T8BI TI t I TTITT TT] I r 7.20 7.40 7.60 7.80 8.00 5000 43 m/z 41.00 9.79% 58 27 i 87 ■ ‘ i • ‘ 1 ■ i 1 ' ■ ■ I1 1 ■ 1 i ‘ ' i ■ ■ ' ‘ I 1 • ' ‘ i • • • t ■ ‘ > I ■ > • ■ l t • i । i > । mfe-> 10 20 30 40 50 .60 70 80 90 100 110 Abundance #62932: Silane, tetramethyl- rT — TIITTTT1 73 7.20 7.40 7.60 7.80 8.00 m/z 71.00 6.11% 5000

45 _ ' ■ ■ 59 TIp—n 53 1 I ...... ■ ‘ t ' 15 ' i ■ • ‘ ' i ■ ■ । > > । । i • i 1 ‘ 88 ■ i • 1 ■ ' i • ' • ' i • ' • i ■ ■ ' 1 i 1 ■ ' f।111 1 Tit 1 ■ i * • m/z-> 10 20 30 40 50 60 70 80 90 100 110 7.20 7.40 7.60 7.80 8.00

29134.D GCMS1126.M Wed Dec 12 16:05:45 2001 Page 1

NYC-WTC_000035872

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GCMS analysis comments, sample AD29234, Dec 2001 · Box DEP Box 22

NYC-WTC_000036092

Laboratory report noting GCMS scan results for sample AD29234 with one compound recovery outside acceptance range.