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 8 Cyclononasiloxane, octadeca... Concentration Rank 2 R.T. EstConc Area Relative to ISTD R.T. 36.43 3.04 ug/L 2064900 Perylene-dl2 34.70 Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 Cyclononasiloxane, octadecamethyl- 666 C18H5409Si9 000556-71-8 59 2 Mercaptoacetic acid, bis(trimeth... 236 C8H2002SSi2 006398-62-5 28 3 Tris(trimethylsilyl)borate 278 C9H27BO3Si3 004325-85-3 22 4 Trisiloxane, octamethyl- 236 C8H2402Si3 000107-51-7/22 Abundance Scan 5676 (36.429 min): 0515LB.D (-5649) (-) m/z 221.10 100/00% 73 147 221
5000 281 355
429 I ' ' ' ' I"' ' 1 1 1 1 1 1 ‘ I ‘ I’’ 191 36.00 36.20 36.40 36.60 36.80 40
A 0- II i i * 11' ’ ■ ■ । u , | 503 m/z 147.10 91.10% m/z-> 0 50 100 150 200 250 300 350 400 450 500 550 600 650 Abundance #115158: Cyclononasiloxane, octadecamethyl- 73 147 221 429
355 5000 281 ■i 44, f
36.00 36.20 36.40 36.60 36.80 _/ m/z 73.10 86.75% 475 — 651 0- IIIIIUTsuIIItun m/z-> 0 50 100 150 200 250 300 350 400 450 500 550 600 650 Abundance #26922: Mercaptoacetic acid, bis(trimethylsilyl)- 73 147
C 36.00 36.20 36.40 36.60 36.80 5000 m/z 281.05 38.09% 221 13 43. 0- ' r rt “44 — Pr 104 177___ 400 450 500 550 600 650 /z-> 0 50 100 150 200 250 300 350 Abundance #27488: Tris(trimethylsilyl)borate 73 221 36.00 36.20 36.40 36.60 36.80 m/z 355.10 36.12% 5000 263 133 175 10314144 0 — ’043 "4l r , ,T| , ' 1 ‘l ' ' ' ■ I 1 1 1 ' I ' ' ' ■ I ' ' ' 1 1 1 1 1 ' 1 1 ' 1 1 i 1 ‘ 1 ' i ' 1 1 1 i ■ 1 (M miz-> 0 50 100 150 200 250 300 350 400 450 500 550 600 650 36.00 36.20 36.40 36.60 36.80
0515LB.D 050102.M Tue May 21 11:58:24 2002 Page 11
NYC-WTC_000025068
OCR can misread numbers and units. Confirm readings against the page image before using them.
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.
Page similarity is temporarily unavailable or this page has no indexed vector.
Readers open these alongside this record — through an Ask answer, the same folder, or indexed similarity. Not a claim they are about the same event.
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