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GCMS analysis comments for sample AD28689, Dec 2001

Machine-extracted title · confidence 100%

Laboratory report noting low pH and TurboVap contamination with recovery data for sample AD28689.

NYC-WTC_000035195–000035228

Folder label: “GCMS X 11/24/01 A 12/4/01

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Scanned page image, NYC-WTC_000035225
OCR text

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NYC 9/11 Public Portal Document Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\NOV2601\28682.D Vial: 10 Acq On : 28 Nov 2001 2:05 am Operator: 209 GALOS Sample : 11/24 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 2

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

7.63 1.14 ug/1 278294 1,4-Dichlorobenzene-d4 11.70

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 N-Ethylformamide 73 C3H7NO 000627-45-2 9 2 Silane, tetramethyl- 88 C4H12Si 000075-76-3 9 3 1,3-Dioxolane, 2-pentadecyl- 284 C18H3602 004360-57-0 9 4 1,3 -Dioxolane , 2-(3-bromo-5,5,5-tri 352 C10H16BrC13O2 000000-00-0 9 Abundance 4 Scan 282 (7.630 min): 28682.D (-) m/z 73.00 100.00% 73

5000 43 —P— 7.20 7.40 7.60 7.80 8.00 i —544 87 103 m/ z 43.05 25.41% miz->_ 20__ 40 60 80 100 120 140 160 180 200 220 240 260 280 Abundance #292: N-Ethylformamide 30 73

5000 -1 r /11' ' i TTTTT 44 58 7.20 7.40 7.60 7.80 8.00 m/z 41.05 9.58% 1511........................... ’ 1.1 TTT • 1 ........................ m/z-> 20 40 60 80 100 120 140 160 180 200 220 240 260280 Abundance 62932. Silane, tetramethyl- 73 i *50-4*44 ......... 4 4f । i 7.20 7.40 7.60 7.80 8.00

L 5000 m/z 44.95 9.27%

45 15 59 88.............. ;......................................................................... ' ' i1 ■''i' ’ ■ 'i ■ ■ m/z-> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 Abundance

5000 73 #40191: 1,3-Dioxolane, 2-pentadecyl- m/z L 7.20 7.40 7.60 7.80 8.00 6.66%

43 57 86 99। . ■ . , । 256। 1 । । 283 1111 ' । > | . । । V । i . T । । । । । । । j । । । -I i miz-> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 7.20 7.40 7.60 7.80 8.00

28682.D GCMS1126.M Mon Dec 10 12:12:08 2001 Page 1

NYC-WTC_000035225

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NYC-WTC_000035225Source: NYC Law Department, mirrored locally

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