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\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 6 Octasiloxane, 1,1,3,3,5,5,7... Concentration Rank 7 R.T. EstConc Area Relative to ISTD R.T. 33.11 0.57 ug/L 389729 Perylene-dl2 34.70 Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 Octasiloxane, 1,1,3,3,5,5,7,7,9,... 578 C16H50O7Si8 019095-24-0 10 2 Heptasiloxane, 1,1,3,3,5,5,7,7,9. . . 504 C14H4406Si7 019095-23-9/10 3 Methanimidamide, N,N-dimethyl-N'... 148 C9H12N2 001783-25-/ 9 4 Guaifenesin di-tms derivative 342 C16H30O4Si2 1000137-06-7 9 Abundance Scan 5110 (33.103 min): 0515LB.D (-5109) (-) m/z 221.10 100.00% 221
148 5000 73 355 297
0+ — 40 , ...27 — .....1.7 429 32.80 33.00 33.20 33.40 m/z 207.00 74.81% n/z-> 50 100 150 200 250 300 350 400 450 500 550 Abundance
5000 73 #27373: Octasiloxane, 1,1,3,3,5,5,7,7,9,9,11,11,13,13,15,1...
207 281 PAWW /w 32.80 33.00 33.20 33.40
_A 147 m/z 148.05 54.48% 341 O-r 45 ..1171,4,177, 1251, 313 t.371 401 429 503 563 1 1 i ' ' ■■ ■ i 11 1 i 1 । । ' । r' ■r ■ ।1 • ■ ■ r * * ■ ■ ।' 1 m/z-> 50 100 150 200 250 300 350 400 450 500 550 Abundance #27374: Heptasiloxane, 1,1,3,3,5,5,7,7,9,9,11,11,13,1 3-tet... 73 ' ‘ 1 1 1 1 1 [ 1 1 1 ' I ' ‘ 1 I I ' ‘ I 1 I 32.80 33.00 33.20 33.40 5000 207 m/z 147.10 50.19%
133 281 355
/z-> 0U 7+ 193,1,4.177,1 50 100 150 200 [ 253 [ 327. | 383 429 '' 1 [' ■ ■ " ■ i ' ‘ 489 'i 1 ' 1 ■ i ■ 1 ' 1 i 1 1 1 1 I r ' 1 1 1 1 1 250 300 350 400 450 500 550 Abundance #110608: Methanimidamide, N,N-dimethyl-N'-phenyl- 44 77 32.80 — 33.00 33.20 33.40 148 m/z 73.10 44.78% 5000 106
m/z-> 0- 50 1ill —4 100 150 200 250 300 350 400 450 500 550 0 17AM Api 14 f 32.80 33.00 33.20 33.40
0515LB.D 050102.M Tue May 21 11:58:20 2002 Page 9
NYC-WTC_000025066
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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