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\METHCDS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 9 3,6-Dioxa-2,4,5,7-tetrasila... Concentration Rank 4
R.T. EstConc Area Relative to ISTD R.T.
39.72 1.29 ug/L 878670 Perylene-dl2 34.70
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 3,6-Dioxa-2,4,5,7-tetrasilaoctan.. . 294 C10H3002Si4 004342-25-0 37 2 .alpha.-Tetralone, 2-amino-5,6-d. .. 221 C12H15NO3 1000125-87-7/22 3 Trisiloxane, 1,1,1,5,5,5-hexamet... 384 C12H3604Si5 003555-47-3 22 4 Pentasiloxane, dodecamethyl- 384 C12H3604Si5 000141-63-9 22 Abundance Scan 6237 (39.725 min): 0515LB.D (-6208) (-) m/z 221.05 100.00%
1 221 73 147
5000 281 355 429 44 191 39.40 39.60 39.80 o1 — | Il ll ■ I ' 1 1 1 i ' I I 1 । . , 1 , । । LL 11l m/z 147.05 82.83% m/z-> 50 100 150 200 .250 300 350 400 ......................... '. Abundance #87890: 3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4,5,5,7,7... 147 22!1
73 5000 M MM MAM, 39.40 39.60 39.80 191 m/z 73.10 78.69% 117
m/z-> 0- 45 1' I 50 AL 100 150 200 350 L, 249,,..) 250 - 300 279 .- 400 .......................................
Abundance #87892: .alpha.-Tetralone, 2-amino-5,6-dimethoxy- 221
39.40 39.60 39.80 150 m/z 207.00 56.79% 5000 192
0- 43 63 92 118
Luka.|IL A. 4 s । A 17 } । 1, _nuou m/z-> 50 100 150 200 250 300 350 400 Abundance #26961: Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trime... TI 73 147 39.40 39.60 39.80 m/ Z 281.00 37.58% 281 / 5000
45 369 0 | TL 95 117 1•1 r 1‘ ■ j 177 .207226 249, i 1 1 1 1 i 1 ■1 1 1 r' 1 310 341 _ m/z-> 50 100 150 200 250 300 350 400 39.40 39.60 39.80
0515LB.D 050102.M Tue May 21 11:58:27 2002 Page 12
NYC-WTC_000025069
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