Laboratory method 50 worksheet documenting sample preparation parameters including drip rate, volume, and analytical conditions for GCMS testing.
NYC-WTC_000052421–000052423Folder label: “GCMS X 1/24/02 A 2/26/02”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
■File : C:\MSDCHEM\1\DATA\022602\DFTPP.D Operator : McLean Acquired : 26 Feb 2002 9:03 am using AcqMethod 508SCAN Instrument : Instrumen Sample Name: DFTPP Mise Info : Vial Number: 1
Abundance TIC: DFTPP.D
4500000
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3500000
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2500000
2000000
1500000
1000000
500000
0 ' ' i ' ■ ■ ■ i ' ■ ■ ' i ' ■ ................................. .. n Time-> 4.00 6.00 8.00 10.00 12.00 14.00 16.00 18.00 20.00 22.00 24.00 26.00 28.00 30.00 32.00 34.00 36.00 38.00
Abundance Scan 2291 (23.856 min): DFTPP.D 198 550000 442 500000
450000
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350000 255 300000 51 77 127 250000
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110 150000 275
100000 186 224 50000 296 423
m/z—> 0 HHH4 40 60 93 il 1,444+ H+Halull UWJI 243 , i I63 80 100 120 140 160 180 200 220 148 167 +323325352304,383,403. 1, 260 280 300 320 340 360 380 400 420 440 240 — 1
NYC-WTC_000052423
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_000051783
Technical log recording method parameters and sample processing details for a DEP laboratory procedure between January 10 and 16, 2002.
1 shared topics · Same agency, volume and box · similarity 0.977
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000052355
Quality control report verifying GCMS performance using DFTPP standards with pass/fail status for specific mass fragments.
1 shared topics · Same agency, volume and box · similarity 0.977
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000051501
Fragmented page from a Department of Environmental Protection laboratory record showing extraction parameters and pH measurements.
1 shared topics · Same agency, volume and box · similarity 0.976
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000050178
Instrument log sheet recording sample counts and operational parameters for GCMS Method 508 analysis in January 2002.
1 shared topics · Same agency, volume and box · similarity 0.976
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 0.982
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000039211
Fragmented header and data table from a GCMS Method 506 document recording drip rates for March 2002.
1 shared topics · similarity 0.979
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000058015
Report verifying instrument calibration using standard compounds for Method 525.2 analysis in December 2001.
1 shared topics · similarity 0.977
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000039028
Fragmented page from a GCMS record collection in DEP Box 23 dated between March 14 and March 17, 2002.
1 shared topics · similarity 0.977
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000059810
Excerpt from a laboratory log recording liquid-liquid extractor drip rates for GCMS analysis on April 5, 2002.
1 shared topics · similarity 0.977
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000059026
Fragmented document containing laboratory method parameters and quality control data from the Department of Environmental Protection.
1 shared topics · similarity 0.976
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 0.975
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037499
Chromatogram data from a gas chromatography mass spectrometer analyzing the DFTPP calibration standard on March 12, 2002.
1 shared topics · similarity 0.975
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000052355
Quality control report verifying GCMS performance using DFTPP standards with pass/fail status for specific mass fragments.
Similarity score 0.994 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000030258
Data log containing water quality parameters such as drip rate and pH for samples collected at the World Trade Center site.
Similarity score 0.993 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000011584
Fragmented page from a Department of Environmental Protection record regarding WTC environmental sampling showing partial extraction data.
Similarity score 0.992 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000058015
Report verifying instrument calibration using standard compounds for Method 525.2 analysis in December 2001.
Similarity score 0.990 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000038661
Gas chromatography-mass spectrometry analysis report for environmental sample AE04509 dated March 27-28, 2002.
Similarity score 0.990 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000003893
Calibration report verifying instrument performance using DFTPP standard on February 25, 2002, showing all pass criteria met.
Similarity score 0.990 (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_000052420
Laboratory commentary noting no unusual compounds found in sample AE00948, with one standard recovery below acceptance range.
Filed in the same folder
NYC-WTC_000052424
Gas chromatography-mass spectrometry calibration results for sample AE01641 analyzing volatile organic compounds in March 2002.
Filed in the same folder
NYC-WTC_000052430
Reference data from GCMS analysis of sample AE01641 listing detected compounds and their concentrations in micrograms.
Filed in the same folder
NYC-WTC_000052435
Quality control blank report for GCMS analysis of sample AE01641 showing no detected compounds above the method detection limit.
Filed in the same folder
NYC-WTC_000052443
GCMS analysis report for sample AE01641 showing blank results with no detected compounds in March 2002.
Filed in the same folder