GCMS comments for sample AD28900, Dec 16 2001

Machine-extracted title · confidence 90%

Lab report noting bis(2-Ethylhexyl) Sebacate detection and potential laboratory contamination in a water sample.

NYC-WTC_000035755–000035764

Folder label: “GCMS X 11/28/01 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\28900.D Vial: 5 Acq On 7 Dec 2001 6:50 pm Operators 209 GALOS Sanpl e 11/28 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 2 Decanedioic acid, bis(2-ethylh Concentration Rank 1

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

35.58 52.83 ug/1 9588470 Perylene-dl2 37.10

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Decanedioic acid, bis(2-ethylhexyl) 426 C26H50O4 000122-62-3 91 2 [1,11-Biphenyl]-4-ol, 3-amino- 185 C12H11NO 001134-36-7 38 3 2,4,6(1H,3H,5H)-Pyrimidinetrione, 5 240 C12H20N2O3 051209-93-9 25 4 Pyridine, 4-[4-methoxyphenyl]- 185 C12H11NO 000000-00-0 17 Abundance Scan 3326 (35.575 mln): 28900.D (-) m/z 185.10 100.00% 185

5000 57 112

miz-> Lalmmhmmmm 83 j 1 143 166 203221240 268 297315 340 369 397 426 "EUTEI—IE0U0UIEI"O"TTTUTTCITTTTTTT’TT 40 60 80 100120140160180200220240260280300320340360380400420 m/z 35.20 35.40 35.60 35.80 36.00 57.00 45.48% Abundance #55661: Decanedioic acid, bis(2-ethylhexyl) ester 185

5000 57 "l T — T 15 112 35.20 35.40 35.60 35.80 36.00 83 m/z 70.10 32.70% 143 166 203 298316 — Tmp TOTTTTTTgu m/z-> 40 60 80 100120140160180200220240260280300320340360380400420 Abundance #19199: 1.1-Biphenyl]-4-ol, 3-amino- 185

35020 3520 35.60 35.80 38000 5000 m/z 71.10 31.23% 156 128

miz—2 40 80"80 100120140160180 200220240280280300320 340 360 380 400420 Abundance> #31909: 2,4,6(1H,3H,5H)-Pyrimidinetrione, 5,5-diethyl-1-(1- 1 I 1 1 1 ' 1 1 ■ f T । n-i . j-r-m-f r 185 35.20 35.40 35.60 35.80 36.00 m/z 112.10 28.63% 5000 211 70 96 I I I 114 ,155 TT IP : ———————7 psi —————————— ri 111U11 (11 n 240 ‘ I ‘ ‘ ‘ i ‘ f * I ‘ / j ( I I » I J m/z-> 40 60 80 100120140160180 200 220 240 260 280 300320340360 380 400 420 35.20 35.40 35.60 35.80 36.00

28900.D GCMS1126.M Tue Dec 11 16:10:45 2001 Page 2

NYC-WTC_000035763

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NYC-WTC_000035763Source: NYC Law Department, mirrored locally

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GCMS comments for sample AD28861, Dec 17 2001 · Box DEP Box 22

NYC-WTC_000035745

Laboratory notes indicating re-extraction is required due to low recovery and potential contamination.

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