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
Jser: Nefliu, Marcela Vestchester Dept. of Labs & Research Jate: 05/16/2002 Time: 15:00:50 ample: AE11157 inalysis: $B1GCMS Blank for GCMS Scan Jnits: ug Started: 5/13/02 14:57 Ended: 5/15/02 14:57 Analyst: MN esult source: manual entry ’age: 1
, Component Name Viol Result Qualifier MDL 1 n-Nitrosodimethylamine < MRL 2.0 2. bis(2-Chloroethyl)ether < MRL 2.0 3- 1,3-Dichlorobenzene < MRL 2.0 4 1,4-Dichlorobenzene < MRL 2.0 . 5 1,2-Dichlorobenzene < MRL 2.0 6 2,2'-oxybis(1 -Chloropropane) < MRL 2.0 7 . n-Nitrosodi-n-propylamine < MRL 2.0 8 Hexachloroethane < MRL 2.0 ,9 Nitrobenzene < MRL 2.0 10 Isophorone <MRL 2.0 11 bis(2-Chloroethoxy)methane < MRL 2.0 12 1,2,4-Trichlorobenzene < MRL 2.0 ,13 Naphthalene < MRL 2.0 14 Hexa chlorobutadiene < MRL 2.0 15 2-Chloronaphthalene < MRL 2.0 16 Dimethyl phthalate < MRL 2.0 17 2,6-Dinitrotoluene < MRL 2.0 18 Acenaphthylene < MRL 2.0 19.1 Acenaphthene < MRL 2.0 20 2,4-Dinitrotoluene < MRL 2.0 21 Diethylphthalate < MRL 2.0 22 4-Chlorophenylphenylether < MRL 2.0 23 Fluorene < MRL 2.0 24 Azobenzene < MRL 2.0 25 n-Nitrosodiphenylamine < MRL 2.0 26. 4-Bromophenylphenylether < MRL 2.0 27 Hexachlorobenzene < MRL 2.0 28‘ Phenanthrene < MRL 2.0 29. Anthracene < MRL 2.0 30 Di-n-butylphthalate <MRL 2.0 .31 Fluoranthene < MRL 2.0 32 Pyrene <MRL 2.0 33 Butylbenzylphthalate < MRL 2.0 34 Benzo(a)anthracene < MRL 2.0 35 . bis(2-Ethylhexyl)phthalate < MRL 2.0 36 Chrysene < MRL 2.0 37 Di-n-octylphthalate < MRL 2.0 38.. Benzo(b)fluoranthene < MRL 2.0 39 Benzo(k)fluoranthene < MRL 2.0 40 Benzo(a)pyrene < MRL 2.0 41 Indeno(1,2,3-cd)pyrene < MRL 2.0 42 Dibenz(a,h)anthracene < MRL 2.0 43 . Benzo(g,h,i)perylene < MRL 2.0
NYC-WTC_000024629
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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_000035571
GCMS method blank analysis for sample AD28903 dated December 7, 2001, showing non-detect levels.
Similarity score 0.971 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035788
Calibration data sheet verifying instrument response for nitrosamines and benzene derivatives.
Similarity score 0.971 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036210
Reference analysis results for target analytes used to verify GCMS instrument performance in December 2001.
Similarity score 0.970 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033886
Technical data sheet recording instrument parameters and calibration details for GCMS Method 508 analysis conducted in November 2001.
Similarity score 0.935 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035473
GCMS scan results for sample AD28855 dated December 16, 2001, detecting bis(2-Ethylhexyl)phthalate and noting low pH.
Similarity score 0.933 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000187542
Laboratory report for air and gas samples collected at Broadway Avenue and 31st Street in Queens on September 14, 2001.
Similarity score 0.933 (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