NYC-WTC_000014863
Laboratory blank report for GCMS analysis of volatile organic compounds conducted on May 31, 2002.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗Laboratory report showing GCMS blank analysis for sample AE12152 with results below method detection limits.
NYC-WTC_000013313–000013320Folder label: “GCMS X 5/22/02 A 5/25/02”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\HPCHEM\1\DATA\MAY2402\LB.D Vial: 3 Acq On : 24 May 2002 5:30 pm Operator: Morgan Sample : gc/ms scan 5/22 Inst : 209 Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS0520.M (RTE Integrator) -e Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 8.12 10.24 ug/1 743742 1,4-Dichlorobenzene-d4 12.14 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 56 2 Acetone 58 C3H60 000067-64-1 27 3 Acetic acid. 1,1-dimethylethyl este 116 C6H12O2 000540-88-5 25 4 Propanal, 2-hydroxy-2-methyl- 88 C4H802 020818-81-9 9 Abundance Scan 335 (8.120 min): LB.D (-) m/z 42.95 100.00% 43
5000 59
101 ***1***1441/0/1/4/4*1
miz-> ................ ■ i । i i i i—[—i i i i । i i < 10 20 30 40 +54+ 50 11 1 > 60 69 i 70 80 83 । . 90 I 100 110 m/z 7.80 8.00 59.00 8.20 8.40 41.60% Abundance #64274:2-Pentanone, 4-hydroxy-4-methyl- 43
5000 59 ' 7.80 8.00 8.20 8.40 ' ‘ ' m/z 58.00 24.38% 27 101 ---- 111, . 11 +49——Pm | 83 H m/z—> 10 20 30 40 50 60 70 80 90 100 110 Abundance #62325: Acetone 43 h/01 1 , |-1-| T I I . |' 7.80 8.00 8.20 8.40 5000 m/z 101.05 15.98% 58
27 +53 2 miz-> 10 20 11/1 30 361 40 50 60 i ■ • ' * i
70 1 ■ ■ •
80 i ■ ■ ■ ■ i
90 1 ■ ■ ■
100 i ■ • ■ ■
110 i ■
Abundance #3292: Acetic acid, 1,1-dimethylethyl ester *’I**’’.’*F+14*t 43 7.80 8.00 8.20 8.40 m/z 41.00 6.37% 5000 57
101 15 27 I + 1II" 11/4.4 । । । । । . ■ ■ । ■ ■ ■ ■ । ■ 11Im 1 11 '“i m/z—> 10 20 30 40 50 60 70 80 90 100 110 7.80 8.00 8.20 8.40
LB.D GCMS0520.M Tue May 28 12:05:31 2002 Page 1
NYC-WTC_000013319
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000014863
Laboratory blank report for GCMS analysis of volatile organic compounds conducted on May 31, 2002.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013775
Laboratory report documenting GCMS analysis of sample AE12163 conducted on May 29, 2002.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000014733
GCMS blank analysis report for sample AE12093 dated 05/31/2002 showing all measured organic compounds below minimum reporting limits (MRL) of 2.0 micrograms.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000012653
Laboratory report confirming the absence of target compounds in a procedural blank sample to verify analytical cleanliness.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000014956
Laboratory blank report for GCMS analysis of volatile organic compounds conducted on May 31, 2002.
1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013360
Analytical report for sample AE12155 detailing GCMS results and surrogate recovery data from June 6, 2002.
1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000014853
Calibration data table for GCMS analysis containing internal standards and surrogate compounds dated May 31, 2002.
1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013342
Analytical report for sample AE12153 detailing GCMS results and surrogate recovery data from June 6, 2002.
1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023551
Laboratory report showing GC/MS blank analysis for sample AE09683 with non-detect results for volatile organic compounds.
1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000043332
Laboratory report documenting GCMS blank analysis for multiple organic compounds on April 24, 2002.
1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045194
Laboratory report showing blank analysis results for volatile organic compounds in sample AE10431 on May 17, 2002.
1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044245
Laboratory report of a GCMS blank analysis (Sample AE07484) conducted on May 2, 2002, checking for background contamination.
1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000014934
Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE12577 conducted on June 6, 2002.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013834
GCMS analysis results for sample AE12168 dated June 3, 2002, documenting unknown compounds and surrogate recovery.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013396
Laboratory report documenting GCMS analysis of sample AE12159 conducted on June 7, 2002, including surrogate recovery data.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013378
Gas chromatography-mass spectrometry analysis of sample AE12157 performed on 6/7/02, detecting unknown compounds and 2,4-DDD surrogate at 83% recovery.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013696
Gas chromatography-mass spectrometry Method 508 analysis worksheet with sample extraction parameters and measurement data from May 23, 2002.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013740
Report documenting analysis for unknown compounds and surrogate recovery in sample AE12281.
Similarity score 0.996 (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_000013309
Department of Environmental Protection record of GCMS results generated in late May 2002.
Filed in the same folder
NYC-WTC_000013310
Header page from a DEP laboratory document containing identification codes and method parameters for May 2002 records.
Filed in the same folder
NYC-WTC_000013321
Calibration report for GCMS analysis of sample AE12152 listing various organic compounds and detection limits.
Filed in the same folder
NYC-WTC_000013325
Reference analysis report for GCMS testing of sample AE12152 listing organic compounds and response values.
Filed in the same folder
NYC-WTC_000013333
Analytical report for sample AE12152 detailing GCMS results and surrogate recovery data from June 6, 2002.
Filed in the same folder