Gas chromatography-mass spectrometry blank analysis conducted May 17, 2002 testing for semivolatile organic compounds with all results below method reporting limits.
NYC-WTC_000045936–000045963Folder label: “GCMS X 5/7/02 A 5/15/02”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Data File : C:\MSDCHEM\1\DATA\051402\0507LB.D Vial: 16 Acq On : 15 May 2002 2:34 am Operator: Mclean Sample : 5/7 kb Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.e
Quant Method C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title 508 Modified GC/MS scan Library C:\DATABASE\NIST98. L ********************************************************************* Peak Number 7 Cycloheptasiloxane, tetrade... Concentration Rank 9
R.T. EstConc Area Relative to ISTD R.T.
18.23 1.57 ug/L 1521220 Acenapthalene-dlO 18.56
Hit# of 5 Tentative ID MW MolForm CAS# Qu 1 Cycloheptasiloxane, tetradecamet... 518 C14H4207Si7 000107-50-6 91 2 3-Isopropoxy-1,1,1,7,7,7-hexamet.. . 576 C18H5207Si7 071579-69-6 45 3 Trisiloxane, 1,1,1,5,5,5-hexamet... 384 C12H3604Si5 003555-47-3 40 4 Pentasiloxane, dodecamethyl- 384 C12H3604Si5 000141-63-9 30 Abundance Scan 2579 (18.232 min): 0507LB.D (-2571) (-)' m/ z 73.10 100.00% 73
5000 147 281
TTr 1 i ■ • 221 327 17.80 18.00 18.20 18.40 18.60 45 117 191 " 251 [ l 383 415 503 0- i__ । "pl 11 * rr I—TTT m/z 147.10 46.51% m/z-> 50 100 150 200 250 300 350 400 450 500 550 Abundance #27714: Cycloheptasiloxane, tetradecamethyl- 73 281
5000 147 ’ 1 i ' J Til, 327 415 503 17.80 18.00 18.20 18.40 18.60 m/z 281.00 42.28% 221 0- 45 + 117 I II I 191. I 249 —— 11 P55 i 1 1* 1 i 1 343 473 /z-> 50 100 150 200 250 300 350 400 450 500 550 Abundance #26784: 3-lsopropoxy-1,1,1,7,7,7-hexamethyl-3,5,5-tris(tri... 73
17.80 18.00 18.20 18.40 18.60 5000 m/z 327.00 13.56% 147 43 221 281 32- aar
m/z-> 0 X -15951 50 100 150 200 250 300 350 400 450 500 550 Abundance #26961: Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trime... TB.T ■ ' ■ i r ' ' ' i ' 1 73 147 17.80 18.00 18.20 18.40 18.60 m/z 2 82.00 12.31% 281 5000
369 45 . — 207 249 — 310 341 | 0 117 TTm. --7HL 1 I ' 1 m/z-> 50 100 150 200 250 300 350 400 450 500 550 17.80 18.00 18.20 18.40 18.60
0507LB.D 050102.M Thu May 16 12:35:54 2002 Page 10
NYC-WTC_000045949
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NYC-WTC_000046006
Gas chromatography-mass spectrometry report for sample AE10810 showing detection of unknown compounds and surrogate recovery.
1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000046036
Gas chromatography-mass spectrometry report for sample AE10811 showing detection of unknown compounds and surrogate recovery.
1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045984
Gas chromatography-mass spectrometry report for sample AE10809 showing detection of unknown compounds and surrogate recovery.
1 shared topics · Same agency, volume and box · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044672
Laboratory report documenting GCMS analysis of sample AE09335 conducted on May 8, 2002.
1 shared topics · Same agency, volume and box · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044381
Gas chromatography-mass spectrometry blank analysis showing results below method detection limits for organic compounds.
1 shared topics · Same agency, volume and box · similarity 0.989
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044408
Laboratory report documenting GCMS analysis of sample AE10134 conducted on May 8, 2002.
1 shared topics · Same agency, volume and box · similarity 0.988
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024041
Laboratory report showing non-detectable levels of nitrosamines and other contaminants in blank sample AE10895.
1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000022965
Laboratory report of a GCMS blank run conducted on May 14, 2002, showing non-detect results for various compounds.
1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023409
Laboratory report showing non-detect results for volatile organic compounds in a method blank sample AE10137 analyzed on May 14, 2002.
1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023991
Laboratory report showing GC/MS analysis of sample AE10984 with surrogate recovery data for 2,4-DDD.
1 shared topics · similarity 0.989
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025216
Laboratory report showing GCMS blank analysis for sample AE11410 conducted on May 22, 2002.
1 shared topics · similarity 0.989
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023925
Laboratory report showing GC/MS analysis of sample AE10982 with surrogate recovery data for 2,4-DDD.
1 shared topics · similarity 0.988
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
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NYC-WTC_000045932
Department of Environmental Protection GCMS analysis record for the World Trade Center site dated May 7-15 2002.
Filed in the same folder
NYC-WTC_000045933
Fragmented page from a GCMS laboratory record collection dated between May 7 and May 15, 2002.
Filed in the same folder
NYC-WTC_000045964
Gas chromatography-mass spectrometry calibration report for sample AE10809 showing measured values for semivolatile organic compounds.
Filed in the same folder
NYC-WTC_000045968
Gas chromatography-mass spectrometry reference report for sample AE10809 showing measured values for semivolatile organic compounds.
Filed in the same folder
NYC-WTC_000045984
Gas chromatography-mass spectrometry report for sample AE10809 showing detection of unknown compounds and surrogate recovery.
Filed in the same folder