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Volatile organic compounds blank results, Feb 28 2002

Machine-extracted title · confidence 95%

Laboratory analysis results for volatile organic compounds blank sample AE03921 dated February 28, 2002.

NYC-WTC_000020548–000020749

Folder label: “524 2/28/02 TO 3/2/02

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\02MAROl\03924D.D Vial: 26 Acq On : 2 Mar 2002 6:59 am Operator: Sample : nyc dup Inst : 210 Mise : March 1, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\HP021102.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 5 Cyclotetrasiloxane, octamethyl Concentration Rank 5

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

24.86 0.03 ug/L 12315 CHLOROBENZENE-D5 23.35

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Cyclotetrasiloxane, octamethyl- 296 C8H24O4Si4 000556-67-2 9 2 4H-l-Benzopyran-4-one, 5,7-dimethox 282 C17H1404 021392-57-4 5 3 5-(2-Oxo-6-phenyl-l,2-dihydropyrimi 282 C14H10N4O3 000000-00-0 5 4 9-Benzoylanthracene 282 C21H140 001564-53-0 5 Abundance Scan 1892 (24.864 min): 03924D.D (-) m/z 281.10 100.00% 281

5000 91 44 133 73 106 122 193 207

m/z-> 40 60 80 II] 100 120 140 160 180 200 220 I.. ... 260 I, 240 280 24.60 24.80 25.00 25.20 m/z 282.05 51.47%

Abundance #41966: Cyclotetrasiloxane, octamethyl- 281

5000 ,24.60 24.80 25.00 25.20 m/Z 91.05 43.28% 207 ■ i ■ • ' ■ i ■ 73 113 163 177 191 I ‘ T ‘ 1 I 235 249 265 | m/z-> 40 60 80 100 120 140 160 180 200 220 240 260 280 Abundance #39788:4H-1-Benzopyran-4-one, 5,7-dimethoxy-2-phenyl- 282 N "I L . 24,60 24.80 25.00 25.20 m/Z 44.05 38.79% 5000 236 253

76 122 149 209 224 265 hAwMMyM ■ i ■ ■ ■ ' i ■ 1 I ' ' ' ' i ‘ ' 1 1 I ' ' 1 ‘ I ' ’ • । । i j i rr i । I8 m/z-> 40 60 80 100 120 140 160 180 200 220 240 260 280 Abundance #39717:5-(2-Oxo6-phenyt-1,2-dlhyciropyrimidlnyl-4)uracil 282 , 24.60 24.80 25.00 25.20 m/z 283.15 33.85% 211 5000 73 104 238 184 rI-ETIT tt+p- 156 196 .II | 254 il 266 ' I ‘ ‘ I ‘ ‘ 1 ‘ I ' ■ ‘ ‘ I — T Tl/Z-> 40 60 80 100 120 140 160 180 200 220 240 260 280 24.60 24.80 25.00 25.20

03924D.D HP021102.M Mon Mar 04 13:51:19 2002 Page 5

NYC-WTC_000020642

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NYC-WTC_000020642Source: NYC Law Department, mirrored locally

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