Reference document describing Method 509 procedures for laboratory analysis, dated February 14, 1992.
NYC-WTC_000024748–000024757Folder label: “GCMS X 5/14/02 A 5/17/02”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Jser: Nefliu, Marcela Westchester Dept. of Labs & Research Date: 05/23/2002 Time: 14:28:42 Sample: AE10241 Analysis: $B1 GCMS Blank for GCMS Scan Jnits: ug Started: 5/14/02 14:25 Ended: 5/16/02 14:25 Analyst: MN Jesuit source: manual entry ’age: 1
Component Name 4 Viol '"’Result' ‘ Qualifier MOL. 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 Hexa chloroethane <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 Dimethylphthalate < MRL 2.0 17 2,6-Dinitrotoluene < MRL 2.0 18 3 Acenaphthylene <MRL 2.0 19 Acenaphthene < MRL 2.0 20 / 2,4-Dinitrotoluene < MRL 2.0 21 Diethylphthalate <MRL 2.0 22 4-Chlorophenylphenylether " < MRL 2.0 st Fluorene 24 Azobenzene <MRL < MRL 2.0 2.0 25 n-Nitrosodiphenylamine < MRL 2.0 26 4-Bromophenylphenylether <MRL 2.0 27 Hexa chlorobenzene < MRL 2.0 28 Phenanthrene < MRL 2.0 29 Anthracene < MRL 2.0 36 Di-n-butylphthalate < MRL 2.0 .31 Fluoranthene ’ < MRL 2.0 Pyrene ’ < MRL 2.0 32 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 M3 39 Benzo(b)fluoranthene Benzo(k)fluoranthene <MRL ' < MRL 2.0 2.0 46 Benzo(a)pyrene ' < MRL 2.0 41 lndeno(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_000024748
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_000024427
Record of sample preparation parameters including drip rates and volumes for GCMS analysis conducted in mid-May 2002.
1 shared topics · Same agency, volume and box · similarity 0.995
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 topics · Same agency, volume and box · similarity 0.995
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 0.994
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 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024629
Laboratory report showing blank test results for GCMS analysis of sample AE11157 conducted between May 13 and May 16, 2002.
1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025568
GCMS analysis report for sample AE11567 showing unknown compounds and surrogate recovery data from May 29, 2002.
1 shared topics · Same agency, volume and box · similarity 0.993
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 topics · Same agency, volume and box · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗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.
1 shared topics · Same agency, volume and box · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024907
Laboratory report documenting GCMS analysis of sample AE10247 conducted on May 28, 2002, including surrogate recovery data.
1 shared topics · Same agency, volume and box · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024851
GCMS analysis results for sample AE10245 conducted May 28, 2002, showing unknown compounds and 2,4-DDD surrogate recovery at 86 percent.
1 shared topics · Same agency, volume and box · similarity 0.992
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 topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000048602
Laboratory blank analysis results confirming absence of contamination in GCMS testing for volatile organic compounds.
1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000024286
Laboratory report showing GCMS blank analysis for sample AE10207 on May 14, 2002, listing compounds below method detection limits.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000022495
Technical log detailing gas chromatography mass spectrometry method parameters and calibration settings from May 2002.
Similarity score 0.995 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044100
Laboratory blank report for sample AE10019 showing non-detectable levels of target compounds from May 7, 2002.
Similarity score 0.993 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000043749
Laboratory report documenting a method blank analysis for GC/MS testing of volatile organic compounds from May 2002.
Similarity score 0.992 (not a probability)
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.
Similarity score 0.991 (not a probability)
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.
Similarity score 0.991 (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_000024743
Department of Environmental Protection administrative record sheet for World Trade Center site activities dated May 2002.
Filed in the same folder
NYC-WTC_000024744
Index or cover page for the GCMS document series covering samples from May 14 to May 17, 2002.
Filed in the same folder
NYC-WTC_000024758
Laboratory report of a GCMS blank run for sample AE10241 conducted between May 14 and May 16, 2002.
Filed in the same folder
NYC-WTC_000024762
Laboratory report of GCMS calibration data for sample AE10241 conducted between May 14 and May 16, 2002.
Filed in the same folder
NYC-WTC_000024770
Laboratory report of GCMS analysis for sample AE10241 conducted on May 28, 2002.
Filed in the same folder