GCMS blank analysis results, DEP Box 25, May 1 2002

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Ten-page laboratory report showing GCMS blank analysis results for volatile organic compounds with values below detection limits.

NYC-WTC_000043036–000043045

Folder label: “GCMS X 4/18/02 A 5/1/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File C: \HPCHEM\ 1 \DATA\MAYO 10 2 \LB. D Vial: 7 Acq On 1 May 2002 1:33 pm Operator: Sample gc/ms scan 4/18 Inst : 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS0501.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 2 Cyclotetrasiloxane, octamethyl Concentration Rank 2

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

11.61 1.88 ug/1 120864 1,4-Dichlorobenzene-d4 12.20

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Cyclotetrasil ane, octamethyl- 296 C8H24O4Si4 000556-67-2 9 2 2-Oxo-4-pheny1-6- (4-chlorophenyl)-1 282 C16H11C1N2O 000000-00-0 9 3 Benzene, 1-ph.enyl-4- (2-cyano-2-phen 281 C21H15N 027869-56-3 9 4 4-Amino-5-/4-acetylphenylazo)benzof 281 C14H11N5O2 000000-00-0 9 Abundance Scan 717 (11.608 min): LB.D (-) m/z 281.00 100.00% 281

5000

i 1 1 1 1 i ,-r ' ' i ' ' ' ‘ i ' '

43 59 73 87 103 119, | 147 163177 191 207 11.20 11.40 11.60 11.80 12.00 ■ ' ' 10’n i i " I 1’011’1201 । 235 249 265 , "I njri ’ l 1 1 1 ■* I 1 1 1 1 1 11 1 ' I —r m/z 282.00 27.99% Tl/z-> 40 60 80 100 120 140 160 180 200 220 240 260 280 Abundance #41966: Cyclotetrasiloxane, octamethyl- 281

5000 i ' ■ ' ■ i ■ • 11.20 11.40 11.60 11.80 12.00 m/z 283.00 18.38% 207 73 i 133 . I 235 249 265 | , 163 177 191 - 1 ■ i ■ ■1 ■ i 11 1 ' i ' ■ ■ ■ i ■ ■' ■ i ■ '' ■ i ■ ■ ■ ■ i ■ ■ ‘' i1 1 ■ ' i miz-> 40 60 80 100 120 140 160 180 200 220 240 260 280 Abundance #39756:2-Oxo-4-phenyl-6-(4-chlorophenyl)-1,2-dihydropyrimi 281

11.20 11.40 11.60 11.80 12.00 5000 m/z 133.10 11.11%

, 192 123 141 175 , , , 204 247 miz—> 40 60 80 100 120 140 160 180 200 220 240 260 280 Abundance #39643: Benzene, 1-phenyl-4-(2-cyano-2-phenylethenyl) 281 11.20 11.40 11.60 11.80 12.00 m/z 73.10 10.21%

5000

253

m/z—> IIaa* I ! 111111 40 60 80 100 126

120 203 224 240 140 160 180 200 220 240 260 280 11.20 11.40 11.60 11.80 12.00 N LB.D GCMS0501.M Thu May 02 12:04:57 2002 Page 2

NYC-WTC_000043043

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GCMS blank analysis report, May 6, 2002 · Box DEP Box 25

NYC-WTC_000043646

Laboratory report documenting a GC/MS blank run to check for contamination in the analytical system on May 6, 2002.

1 shared topics · Same agency, volume and box · similarity 0.997