Fragmented header page from a GCMS document batch dated May 2002 showing Method 508.
NYC-WTC_000013044–000013048Folder label: “GCMS X 5/21/02 A 5/21/02”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Response Factor Report Instrumen Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Last Update : Wed May 22 09:42:05 2002 Response via : Initial Calibration Calibration Files 5.0 =CAL5.D 10.0 =CAL10.D 20.0 =CAL20B.D 80.0 =CAL80.D 160 =CAL160.D 50.0 =CAL50.D Compound 5.0 10.0 20.0 80.0 160 50.0 Avg %RSD 40) Benzo(a)anthrac 1.134 1.240 0.956 1.299 1.194 1.374 1.199 12.10 41) Bis(2-ethylhexy 0.564 1.081 0.943 0.883 0.949 0.884 21.83 42) Chrysene 1.491 1.457 1.653 1.263 1.103 1.300 1.378 14.15
43) Perylene-dl2 ------------------ --------------------- 44) Di-n-octylphtha 0.941 1.559 2.063 1.928 2.133 1.725 28.48 45) Benzo(b)fluoran 1.261 1.555 1.892 1.635 1.427 1.763 1.589 14.34 46) Benzo(k)fluoran 1.633 2.032 2.008 1.710 1.413 1.881 1.779 13.48 47) Benzo(a)pyrene 1.089 1.363 1.710 1.507 1.292 1.566 1.421 15.50 48) Indeno(1,2,3-cd 0.670 0.881 1.013 1.031 0.985 1.102 0.947 16.22 49) Dibenz(a,h)anth 0.895 1.094 1.044 1.059 0.991 1.169 1.042 8.91 50) Benzo(g,h,i)per 1.079 1.268 1.104 1.049 0.988 1.149 1.106 8.67
(#) = Out of Range ### Number of calibration levels exceeded format ### 052202 .M Wed May 22 09:46:14 2002 Page 2
NYC-WTC_000013047
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_000014150
Fragmented document header from the DEP Box 15 archive containing metadata for environmental testing records dated late May 2002.
1 shared topics · Same agency, volume and box · similarity 0.986
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000015494
Header page of a Department of Environmental Protection document dated June 4, 2002.
1 shared topics · Same agency, volume and box · similarity 0.965
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045544
Single-page document containing a laboratory sample identification label for the World Trade Center site dated May 2002.
1 shared topics · similarity 0.986
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000043864
Fragmented page containing a document identifier and partial text from a GCMS analysis record dated May 2002.
1 shared topics · similarity 0.981
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000060981
Laboratory log recording drip rates and sample volumes for gas chromatography mass spectrometry analysis.
1 shared topics · similarity 0.971
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024039
Document containing sample identifier NYC-WTC_000024038 with laboratory processing parameters including drip rates and pH.
1 shared topics · similarity 0.970
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000010678
Fragmented document page likely serving as a header or index for GCMS records within the February 4 to February 27, 2002 timeframe.
1 shared topics · similarity 0.969
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000038748
Fragmented page from a DEP laboratory record showing method parameters and sample data for March 2002.
1 shared topics · similarity 0.969
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037820
Log sheet recording sample preparation details including drip rates and pH for GCMS analysis in March 2002.
1 shared topics · similarity 0.967
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044556
Fragmented document header containing sample identification and processing metadata from April 2002.
1 shared topics · similarity 0.966
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045046
Administrative page listing laboratory method details, sample volumes, and surrogate addition parameters for environmental testing on May 2002.
1 shared topics · similarity 0.966
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000038485
Single page fragment containing minimal text and an identification number from the Department of Environmental Protection archives.
Similar document embedding; no shared entity or topic indexed. · similarity 0.964
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000060981
Laboratory log recording drip rates and sample volumes for gas chromatography mass spectrometry analysis.
Similarity score 0.978 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000039720
DFTPP mass spectral limit results showing all parameters passed on April 12, 2002.
Similarity score 0.978 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000052332
Technical data sheet recording GCMS Method 508 calibration results including response factors and percent relative standard deviation for various compounds.
Similarity score 0.977 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000059923
Raw analytical data file containing a total ion chromatogram generated on April 4, 2002, using AcqMethod 508SCAN.
Similarity score 0.976 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045968
Gas chromatography-mass spectrometry reference report for sample AE10809 showing measured values for semivolatile organic compounds.
Similarity score 0.966 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045968
Gas chromatography-mass spectrometry reference report for sample AE10809 showing measured values for semivolatile organic compounds.
Similarity score 0.965 (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_000013043
DEP document containing gas chromatography-mass spectrometry data from May 2002.
Filed in the same folder
NYC-WTC_000013049
Laboratory report showing blank sample analysis for volatile organic compounds using gas chromatography-mass spectrometry on May 22, 2002.
Filed in the same folder
NYC-WTC_000013077
Laboratory report showing calibration analysis for volatile organic compounds using gas chromatography-mass spectrometry on May 22, 2002.
Filed in the same folder
NYC-WTC_000013081
Reference standard analysis data for gas chromatography-mass spectrometry testing of volatile organic compounds on May 22, 2002.
Filed in the same folder
NYC-WTC_000013089
GCMS laboratory report for sample AE09517 detecting unknown compounds and 2,4-DDD on May 23, 2002.
Filed in the same folder