NYC-WTC_000024748
Reference document describing Method 509 procedures for laboratory analysis, dated February 14, 1992.
1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗Laboratory report showing blank test results for GCMS analysis of sample AE11157 conducted between May 13 and May 16, 2002.
NYC-WTC_000024629–000024639Folder label: “GCMS X 5/13/02 A 5/15/02”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document Llorary searcn compound Keport Data File : C:\MSDCHEM\1\DATA\020515\0513LB1.D Vial: 3 Acq On : 15 May 2002 1:48 pm Operator: Nefliu Sample : 05/13 lab blk Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: rteint.e Quant Method : C:\MSDCHEM\1\METHODS\SCAN020507.M (RTE Integrator) Title : Method 508 GC/MS Scan Library : C:\DATABASE\nist98.1 ********************************************************************* Peak Number 3 Benzene, 1,2,3,5-tetrachlor... Concentration Rank 5 R.T. EstConc Area Relative to ISTD R.T. 28.91 0.22 ug/1 20977 Phenanthrene-dl0 31.72 Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 Benzene, 1,2,3,5-tetrachloro-4,6... 242 C8H6C14 000877-09-8 64 2 6-(Chloromethyl) -2,3,4-trimethox... 244 C11H13C1O4 075676-80-1 43 3 4-Bromo-2,6-dif luoroaniline 207 C6H4BrF2N 067567-26-4 18 4 7-Chloro-4-methoxy-3-mthylquino. . . 207 C11H10C1NO 1000213-52-2 14 Abundance Scan 4397 (28.914 min): 0513LB1 .D (-4384) (-) m/ z 2 09.00 100.00% / 209 244
5000 49 68 86 I 102113 138 173 Mh 28.60 28.80 29.00 29.20 I 1 ' ' ' 1 1 1 ' ' I ' ■ ■ i ' ... I... I1 1 '* I 1 1 1 11 1 1 1 1 1 1 ■ ' । 1 ■ ' ■ i m/Z 207.10 98.81% m/z—> 20 40 60 80 100 120 140 160 180 200 220 240 Abundance #84890: Benzene, 1,2,3,5-tetrachloro-4,6-dimethyl- 207 244 5000 136 28.60 28.80 29.00 29.20 m/z 244.00 90.15% 51 m 74 85 99 171 ....... .Il , ill I . i , 1110121 , ।■■■■i■■'■i■111i 11 1 1 I1 11 1 1 1 1 1 TIu , 157 ,|||. 193 . 229 h +-T-T m/z—> 20 40 60 80 100 120 140 160 180 200 220 240 Abundance #92171:6-(Chloromethyl)-2,3,4-trimethoxybenzaldehyde 209 2'4 . n.. 28.60 28.80 29.00 29.20 m/z 48.95 41.52% 5000 193 165 179 229 151 , i 1 ■ ■ 1 i ' ■ 51 I 121 I I ----- n/z—> 20 40 60 80 100 120 140 160 180 200 220 240 Abundance #85328: 4-Bromo-2,6-difluoroaniline 2(19 m/ z 68.10 40.21% 5000 128 108 81 31 — +4445788,1493 I .... 160 t 179 . ........ ' 1 1 1 1 1 ' 1 1 1 1 I ' ' ' ' i ' ‘ ' I m/z-> 20 40 60 80 100 120 140 160 180 200 220 240 28.60 28.80 29.00 29.20
0513LB1.D SCAN020507.M Thu May 16 14:43:13 2002 Page 5
NYC-WTC_000024636
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000024748
Reference document describing Method 509 procedures for laboratory analysis, dated February 14, 1992.
1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000022495
Technical log detailing gas chromatography mass spectrometry method parameters and calibration settings from May 2002.
1 shared topics · Same agency, volume and box · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024534
Laboratory report showing blank test results for GCMS analysis of sample AE11282 conducted between May 13 and May 16, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025499
Laboratory report showing non-detect levels for 15 volatile organic compounds in a GCMS method blank processed on May 17-21, 2002.
1 shared topics · Same agency, volume and box · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024730
Laboratory report documenting GCMS analysis of sample AE11280 conducted on May 22, 2002, including surrogate recovery data.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.990
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024427
Record of sample preparation parameters including drip rates and volumes for GCMS analysis conducted in mid-May 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.990
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024706
Laboratory report documenting GCMS analysis of sample AE11281 conducted on May 22, 2002, including surrogate recovery data.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.990
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024596
Laboratory report documenting GCMS analysis of sample AE11304 conducted on May 28, 2002, including surrogate recovery data.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.989
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024692
Laboratory report documenting GCMS analysis of sample AE11278 conducted on May 22, 2002, including surrogate recovery data.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.989
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000022561
Laboratory commentary noting no unusual compounds detected in the GCMS scan of sample AE11480 on May 29, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.988
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045687
Laboratory report of a GC/MS blank run analyzing volatile organic compounds with results below detection limits in May 2002.
1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000046117
Laboratory report showing GCMS blank results for volatile organic compounds from sample AE10068 dated May 7-13, 2002.
1 shared non-person entities · 1 shared topics · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000024730
Laboratory report documenting GCMS analysis of sample AE11280 conducted on May 22, 2002, including surrogate recovery data.
Similarity score 0.985 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025624
GCMS analysis report for sample AE11572 showing unknown compounds and surrogate recovery data from May 29, 2002.
Similarity score 0.976 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024596
Laboratory report documenting GCMS analysis of sample AE11304 conducted on May 28, 2002, including surrogate recovery data.
Similarity score 0.975 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013968
GCMS analysis results for sample AE11603 dated June 4, 2002, documenting unknown compounds and surrogate recovery.
Similarity score 0.974 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024692
Laboratory report documenting GCMS analysis of sample AE11278 conducted on May 22, 2002, including surrogate recovery data.
Similarity score 0.973 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000014102
Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE12474 conducted on June 4, 2002.
Similarity score 0.972 (not a probability)
machine-extracted · confidence unavailable · Check page ↗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_000024623
Department of Environmental Protection administrative record sheet for World Trade Center site activities dated May 2002.
Filed in the same folder
NYC-WTC_000024624
Laboratory report documenting GCMS analysis of sample AE11305 conducted on May 28, 2002, including surrogate recovery data.
Filed in the same folder
NYC-WTC_000024640
Laboratory report displaying calibration data for GCMS analysis of sample AE11157 conducted between May 13 and May 16, 2002.
Filed in the same folder
NYC-WTC_000024644
Laboratory report displaying reference standard results for GCMS analysis of sample AE11157 conducted between May 13 and May 16, 2002.
Filed in the same folder
NYC-WTC_000024652
GCMS analysis for sample AE11157 identifying other unknown compounds with a 2,4-DDD surrogate recovery of 91%, completed May 22, 2002.
Filed in the same folder