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 0.995
machine-extracted · confidence unavailable · Check page ↗Record of sample preparation parameters including drip rates and volumes for GCMS analysis conducted in mid-May 2002.
NYC-WTC_000024427–000024436Folder label: “GCMS X 5/13/02 A 5/16/02”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
LSC Area Percent Report
Data File : C:\MSDCHEM\1\DATA\020515\0513LB2.D Vial: 4 Acq On : 15 May 2002 2:47 pm Operator: Nefliu Sample : 05/13 lab blk Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: rteint.e
Method : C:\MSDCHEM\1\METHODS\SCAN020507.M (RTE Integrator) Title : Method 508 GC/MS Scan Smoothing : ON Filtering: 5 Sampling : 1 Min Area: 0.5 % 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 corr. corr. % of # min scan scan scan TY height area % max. total
1 6.152 517 523 563 rBV 750939 1519689 38.54% 6.452% 2 11.376 1400 1412 1434 rBV 1154031 2959486 75.04% 12.564% 3 16.534 2271 2290 2312 rBV 1405032 3689178 93.55% 15.662% 4 24.455 3622 3638 3652 rBV 1394677 3821378 96.90% 16.223% 5 27.545 4146 4164 4177 rBV4 829683 2363595 59.93% 10.035%
6 28.903 4390 4395 4404 rVB7 7792 20546 0.52% 0.087% 7 31.094 4758 4768 4777 rVB3 9669 25407 0.64% 0.108% 8 31.717 4857 4874 4904 rBV2 1282094 3943636 100.00% 16.743% 9 31.964 4907 4916 4925 rVB5 10400 29982 0.76% 0.127% 10 39.931 6260 6272 6297 rBV2 1496078 2897261 73.47% 12.300%
11 40.519 6362 6372 6397 rBV2 104836 275379 6.98% 1.169% 12 43.151 6810 6820 6858 rBV2 978891 2009096 50.95% 8.530%
Sum of corrected areas: 23554633
0513LB2.D SCAN020507.M Thu May 16 14:44:09 2002 Page 1
NYC-WTC_000024430
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_000024748
Reference document describing Method 509 procedures for laboratory analysis, dated February 14, 1992.
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 non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.995
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_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 non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024804
Laboratory report documenting GCMS analysis of sample AE10242 conducted on May 28, 2002, including surrogate recovery data.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.993
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 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000022609
Laboratory commentary regarding low recovery and subsequent re-analysis of sample AE10519 conducted on May 29, 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 non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024824
Laboratory report documenting GCMS analysis of sample AE10243 conducted on May 28, 2002, including surrogate recovery data.
1 shared topics · Same agency, volume and box · 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 0.996
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 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000048085
Laboratory report showing non-detect results for volatile organic compounds in a GCMS blank run (Sample AE08323) from April to May 2002.
1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000024534
Laboratory report showing blank test results for GCMS analysis of sample AE11282 conducted between May 13 and May 16, 2002.
Similarity score 0.999 (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 0.999 (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 0.999 (not a probability)
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.
Similarity score 0.999 (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 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024748
Reference document describing Method 509 procedures for laboratory analysis, dated February 14, 1992.
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_000024423
Department of Environmental Protection administrative record sheet for World Trade Center site activities dated May 2002.
Filed in the same folder
NYC-WTC_000024424
Brief log entry or header page from a GCMS analysis record dated between May 13 and May 16, 2002.
Filed in the same folder
NYC-WTC_000024437
Laboratory report showing calibration results for volatile organic compounds using GCMS methods between May 13 and May 15, 2002.
Filed in the same folder
NYC-WTC_000024441
Laboratory record of reference standard analysis for volatile organic compounds using GCMS methods from May 13 to May 15, 2002.
Filed in the same folder
NYC-WTC_000024450
Chain of custody record for GCMS analysis of sample AE10986 on May 22, 2002, including surrogate compound data.
Filed in the same folder