Laboratory report showing GCMS blank analysis for sample AE11379 conducted on May 21, 2002, with results below minimum reporting levels.
NYC-WTC_000025054–000025071Folder label: “GCMS X 5/15/02 A 5/17/02”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\051702\0515LB.D Vial: 16 Acq On : 18 May 2002 1:49 am Operator: Mclean Sample : 5/15 eh Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\l\METHQDS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 5 1,1,1,5,7,7,7-Heptamethyl-3... Concentration Rank 3 R.T. EstConc Area Relative to ISTD R.T. 33.09 2.08 ug/L 1417200 Perylene-dl2 34.70 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 1,1,1,5,7,7,7-Heptamethyl-3,3-bi... 444 C13H40O5Si6 038147-00-1 38 2 3,6-Dioxa-2,4,5,7-tetrasilaoctan... 294 C10H3002Si4 004342-25-0/37 3 3-Isopropoxy-1,1,1,7,7,7-hexamet... 576 C18H5207Si7 071579-69-6 32 4 2-(2,6,6-Trimethylcyclohex-l-eny... 222 C14H2202 1000185-64-1 27
0 Abundance Scan 5107 (33.086 min): 0515LB.D (-5070) (-) m/z 147.10 100.00% 73 147 221
5000 281 355 429 44 401 32.80 33.00 33.20 33.40 |
A O+ I PTr । । 11UL 11 > [t.r 1 1 I1 1 m/ Z 73.10 91.32%| m/z-> 50 100 150 200 250 300 350 400 450 500 550
AX Abundance #26950:1,1,1,5,7,7,7-Heptamethyl-3,3-bis(trimethylsiloxy)... 73
147 5000 267 355 ---A 429 32.80 33.00 33.20 33.40 45 207 m/z 221.00 90.52% 0+ 1 1 i ' 1 । 1 1 1 ■ i 1 1 ' ■ i ■ ■ m/z-> 50 100 150 200 250 350300 400 450 500 550 Abundance #87890: 3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4,5,5,7,7... 147 221
73 32.80 33.00 33.20 33.40 5000 m/z 207.00 51.76% / 191 117 279 0 45 1 ’1) 1 ' 1 1 1 LL150 200L I 249 [ ' 1 1 i ■' 1 ' 1 i 1 1 ' ' i 1■ ' ' i ' ■ 1 ' i' 1 ' ■ I 1 1 ' ■ i ' tt/z—> 50 100 250 300 350 400 450 500 550 — Abundance #26784: 3-lsopropoxy-1,1,1,7,7,7-hexamethyl-3,5,5-tris(tri... 73
7\ 32.80 33.00 33.20 33.40 m/z 281.00 39.36% 5000 147 43
0 - ‘ | ' 1 E 211 21 327 l ■ ■ ‘ ‘ | ‘ 1 ' | । | 1 1 1 • ■ [ ■ ' ■ ■ -415 [ ' H 1 ■ ■ | 1 ■ ■ i j 519 561 2* ' T ■ ■ [ . 1 ■ A AAAC... TTA#AHMMMMA m/z—> 50 100 150 200 250 300 350 400 450 500 550 32.80 33.00 33.20 33.40 |
0515LB.D 050102.M Tue May 21 11:58:17 2002 Page 8
NYC-WTC_000025065
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000023843
Laboratory report showing non-detectable levels of nitrosamines and other contaminants in a GC/MS blank sample AE10901.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023904
Laboratory report showing GC/MS analysis of sample AE10981 with surrogate recovery data for 2,4-DDD.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000022857
GCMS analytical report for environmental sample AE09155 including surrogate compound data from May 15, 2002.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024014
Laboratory report showing GC/MS analysis of sample AE10985 with surrogate recovery data for 2,4-DDD.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025347
Laboratory report showing non-detect levels for 15 volatile organic compounds in a GCMS method blank processed on May 23, 2002.
1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025163
Laboratory report showing GCMS analysis results for sample AE11384 conducted on May 22, 2002.
1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045547
Laboratory report of a GC/MS blank run analyzing volatile organic compounds with results below detection limits in May 2002.
1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044902
Laboratory report showing gas chromatography-mass spectrometry results for unidentified organic compounds in sample AE09093 on May 10, 2002.
1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000012751
Gas chromatography-mass spectrometry blank analysis for sample AE11799 showing results below method reporting limits for semivolatile organic compounds, dated May 28, 2002.
1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045048
Laboratory report showing blank analysis results for volatile organic compounds in sample AE10303 on May 9, 2002.
1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045595
Laboratory report detailing GC/MS analysis of sample AE10604 including surrogate recovery data in May 2002.
1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000043938
Gas chromatography-mass spectrometry analysis report for sample AE09968, detecting unknown compounds and 2,4-DDD surrogate with 78% recovery, dated May 9, 2002.
1 shared topics · similarity 0.994
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_000025051
Department of Environmental Protection administrative record sheet for World Trade Center site activities dated May 2002.
Filed in the same folder
NYC-WTC_000025052
Fragmented document containing GCMS calibration slope information for the period of May 15 to May 17, 2002.
Filed in the same folder
NYC-WTC_000025072
Calibration report for GCMS analysis of sample AE11379 performed on May 21, 2002, listing response factors for target analytes.
Filed in the same folder
NYC-WTC_000025076
Laboratory report documenting GCMS calibration verification for sample AE11379 conducted on May 20, 2002, listing specific compound concentrations.
Filed in the same folder
NYC-WTC_000025080
Laboratory report listing GCMS reference analysis results for sample AE11379 conducted on May 21, 2002.
Filed in the same folder