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GCMS analysis comments, sample AD28970, Dec 2001

Machine-extracted title · confidence 90%

Lab report noting bis(2-Ethylhexyl)phthalate detection and recovery issues in a water sample.

NYC-WTC_000035651–000035661

Folder label: “GCMS X 11/29/01 A 12/7/01

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File C:\HPCHEM\1\DATA\DEC0 701\28970.D Vial: 15 Acq On 8 Dec 2001 4:35 am Operator: 209 GALOS Sample 11/29 gc/ms scan 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 4.90 ug/1 1288660 1,4-Dichlorobenzene-d4 11.67

Hit# Of 5 entative ID MW MolForm CAS# Qual 1 N-Ethylfo:rmamide 73 C3H7NO 000627-45-2 9 2 Silane, tetramethyl- 88 C4H12Si 000075-76-3 9 3 1,3-Dioxolane, 2-methyl- 88 C4H802 000497-26-7 5 4 Ether - 74 C4H10O 000060-29-7 4 Abundance Scan 279 (7.603 mln): 28970.D (-) " " 100.00% 73

5000 43 7.20 7.40 7.60 7.80 8.00 '............................. 38.1 1, 1 50 55,60 67,TIT , ,i • • i • 1 87 i 1 ■ ■ • i 103 ‘ i • 1 m/z 43.0,0 26.64% miz-> 10 20 30 401 50 60 70 80 90 100 110 Abundance #292: N-Ethylformamide 30 73

5000 TIuummrTT TITT i . . 1 . : 58 7.20 7.40 7.60 7.80 8.00 44 m/z 44.9,5 9.87% 15 — ]■ -r-r-r-r-j-T 10—n—nnBn00 miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #845: Silane, tetramethyl- 73 I I mr 7.20 7.40 7.60 7.80 8.00 5000 m/z 41.05 9.-53%

45 15 31 55 88 ■ • i ' • 1 • i 1 i Innyna—mmmTDTTTTTTTT 111 m/z—> 10 20 30 40 50 60 70 80 90 100 110 Abundance #62902: 1,3-Dioxolane, 2-methyl- ITT TannT . 17 r 73 7.20 7.40 7.60 7.80 8.00 m/z 71.0,0 6.26% 5000 43 58 27 87 _______ 18 [ ______________ $ ‘ T t [ Ft 1d[ • } • I TT ■ I ' ■ FTTTTEITTTT TOIEgs T > TI n t । । । 4 । । । । । 11 i ii । jii । 111 ।

miz—> 10 20 30 40 50 60 70 80 90 100 110 7.20 7.40 7.60 7.80 8.00

28970.D GCMS1126.M Thu Dec 13 10:29:43 2001 Page 1

NYC-WTC_000035658

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NYC-WTC_000035658Source: NYC Law Department, mirrored locally

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