Laboratory report of a GCMS blank run performed on February 7, 2002, to verify absence of contamination.
NYC-WTC_000016285–000016292Folder label: “GCMS X 12/28/01 A 1/17/02”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document LSC Area Percent Report
. Data File : C:\HPCHEM\1\DATA\JAN1602\LB.D Vial: 4 Acq On : 16 Jan 2002 2:34 pm Operator: 209 GALOS Sample : gc/ms scan 12/27 Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P
Method : C:\HPCHEM\1\METHODS\GCMS0103.M (RTE Integrator) Title : 209 625/TCLP calibration table Smoothing : OFF. Filtering: 5 Sampling : 1 Min Area: 1 % of largest Peak Start Thrs: 0.2 Max Peaks: 100 Stop Thrs : 0 Peak Location: TOP
If leading or trailing edge < 100 prefer < Baseline drop else tangent > Peak separation: 5
Signal : TIC
peak R.T. first max last PK peak peak peak % of # min scan scan scan TY height area % max. total
1 7.437 257 261 293 rVB 345258 988284 17.79% 3.512% 2 11.495 698 703 723 rBV 1642852 4349454 78.27% 15.455% 3 15.094 1089 1095 1111 rBV 2570518 5474492 98.52% 19.453% 4 20.354 1661 1668 1680 rBV 2630761 5556829 100.00% 19.745% 5 24.770 2143 2149 2161 rBV2 2426141 5064060 91.13% 17.994%
6 29.847 2696 2702 2710 rBV 365742 741409 13.34% 2.634% 7 32.803 3017 3024 3043 rBV2 1411465 3466580 62.38% 12.318% 8 36.860 3459 3466 3490 rBV 900081 2501345 45.01% 8.888%
Sum of corrected areas: 28142453 LB.D GCMS0103.M Thu Feb 07 12:43:43 2002
NYC-WTC_000016289
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NYC-WTC_000016506
Blank analysis report for DEP sample AD31363 showing non-detect levels for volatile organic compounds from February 7, 2002.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000016555
Blank analysis report for DEP sample AD31432 showing non-detect levels for volatile organic compounds from January 22, 2002.
Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000016681
Method blank report confirming absence of contamination during volatile organic compound testing procedures in January 2002.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000016078
Laboratory blank report confirming no detectable contamination for nitrosamines and chlorinated solvents during the run.
Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018316
Analytical notes regarding GCMS scan results and LCS standard recoveries for sample AD31434.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018385
Laboratory report documenting GCMS analysis of sample AD31465 conducted on February 11, 2002.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000050079
Blank analysis report for GCMS testing of sample AE00005 showing non-detectable levels of target compounds.
Similar document embedding; no shared entity or topic indexed. · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000005159
Blank sample analysis report confirming no contamination above method detection limits for target compounds analyzed on February 1, 2002.
1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000005756
Blank analysis report showing non-detectable levels of volatile organic compounds in laboratory reagents on February 15, 2002.
1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035563
GCMS analysis results for sample AD28903 dated December 15, 2001, showing non-detect levels for various compounds.
Similar document embedding; no shared entity or topic indexed. · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000009428
Laboratory data table recording drip rates and volumes for GCMS Method 508 analysis.
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machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000005619
Blank analysis report for DEP sample AE02966 showing all target compounds below minimum detection limits.
1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000016506
Blank analysis report for DEP sample AD31363 showing non-detect levels for volatile organic compounds from February 7, 2002.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000016746
GCMS analysis of environmental sample AD30086 conducted January 9, 2002.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000016293
Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AD31401 conducted on February 11, 2002.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000016078
Laboratory blank report confirming no detectable contamination for nitrosamines and chlorinated solvents during the run.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000052614
Calibration record for GC/MS instrument 209 used in TCLP testing, listing standard compounds and response factors from February 14, 2002.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000016708
Gas chromatography-mass spectrometry analysis of sample AD30022 conducted January 9, 2002, measuring organic compounds with 80% surrogate recovery.
Similarity score 0.999 (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_000016272
DEP GCMS analysis log covering samples processed between late December 2001 and mid-January 2002.
Filed in the same folder
NYC-WTC_000016273
Laboratory log sheet recording extraction parameters and sample processing details for GCMS analysis methods.
Filed in the same folder
NYC-WTC_000016276
Calibration results for GCMS analysis listing compounds and response factors from January 16, 2002.
Filed in the same folder
NYC-WTC_000016280
Laboratory report of gas chromatography-mass spectrometry reference analysis performed on January 16, 2002.
Filed in the same folder
NYC-WTC_000016293
Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AD31401 conducted on February 11, 2002.
Filed in the same folder