Laboratory report of a GCMS blank analysis for sample AD28143 conducted on November 28, 2001, listing various organic compounds below detection limits.
NYC-WTC_000033707–000033722Folder label: “GCMS X 11/20/01 A 11/26/01”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report Data File : C: \HPCHEM\ 1 \DATA\NOV2 601 \LBA. D Vial : 9 Acq On : 26 Nov 2001 6:31 pm Operator : 209 GALOS Sample : 11/20 lab blk scan Inst : GC/MS 209 Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS1126.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 1,4-Dichlorobenzene-d4 Concentration Rank 8
R.T. EstConc Area Relative to ISTD R.T.
11.56 0.51 ug/1 129074 1,4-Dichlorobenzene-d4 11.70
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 1,4-Dichlorobenzene-d4 150 C6C12D4 003855-82-1 53 2 Benzene-1/2,3,4-d4-, 5,6-dichloro- 150 C6C12D4 002199-69-1 25 3 Benzaldehyde, 2-hydroxy-3-methoxy- 152 C8H803 000148-53-8 10 4 Acenaphthylene 152 C12H8 000208-96-8 10 Abundance Scan 710 (11.560 min): LBA.D (-) m/z 149.90 100.00% 150
5000 115 78 —TI=nn—’—TTTeruTu’Tr 52 11.20 11.40 11.60 11.80 40 . 63 87 99 J1 I | TTTHHH TTT I T th t r’T TTTTT i r n TTT I 1 fl T TTT TTTTT TTTTTTT 207 m/z 151.90 63.52% mz-> 30 40 50 60 70 80 90 100 110 120130 140 150 160 170 180 190 200 210 Abundance #9593:1,4-Dichlorobenzene-d4 150
5000 115 TT—mmmTTTTTETTTT 78 1120 11,40 11.60 11.80 52 m/z 114.90 . 34.97% — 87 mmmm 35 mz-> 30 40 50 60 70 80 90 100 110 120130 140 150 160 170 180 190 200 210 Abundance #9592: Benzene-1,2,3,4-d4-, 5,6-dichloro- 150
115 1120 11.40 11.60 11.80 5000 52 78 m/z 78.05 19.35%
35 87 1____ _............. . li| mmmpmpmp " I" H1111' I > r> f t rr ■ | > < i"1' i" " i' H111' +TJT TTTTTTT miz-> 30 40 50 60 70 80 90 100110 120 130 140 150 160 170 180 190 200 210 Abundance #66892: Benzaldehyde, 2-hydroxy-3-methoxy- .... ,—।—।——r—।—r—।—, — , 4—, — । । > । । 1$2 1120 11.40 11.60 11.80 m/z 52.00 14.11% 106 5000 53 81
92 122 i il 136 '"I" "I1' TTTTT TVTTTTTTTTTTTTTTTTTT ■' i''' ■ I ■''' i . । ... । । ■ TTT TTTrufr m/z—> 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 11.20 11.40 11.60 11.80
LBA.D GCMS1126.M Tue Nov 27 12:44:12 2001 Page 1
NYC-WTC_000033713
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_000033886
Technical data sheet recording instrument parameters and calibration details for GCMS Method 508 analysis conducted in November 2001.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000030685
Header page for a gas chromatography-mass spectrometry scan file related to environmental testing at the World Trade Center site.
1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033800
Analytical commentary for sample AD28157 dated November 29, 2001, noting no unusual compounds but low recovery rates for LCS standards.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033765
Analytical commentary for sample AD28149 dated November 29, 2001, noting no unusual compounds but low recovery rates for LCS standards.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017663
Laboratory report documenting gas chromatography-mass spectrometry blank analysis conducted on December 27, 2001.
1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000019049
Laboratory report documenting gas chromatography-mass spectrometry blank analysis for volatile organic compounds conducted on January 7, 2002.
1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034180
Laboratory report detailing GCMS analysis of sample AD28269 conducted on November 30, 2001.
1 shared non-person entities · 1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034331
Laboratory report documenting GCMS analysis of sample AD28427 conducted between November 21 and 26, 2001.
1 shared non-person entities · 1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034830
Laboratory analyst notes on GCMS scan results and recovery rates for sample AD28666 analyzed in early December 2001.
1 shared non-person entities · 1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000047955
GCMS blank analysis report for sample AE08209 listing volatile organic compounds from April 2002.
1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018420
Laboratory report documenting GCMS blank analysis of sample AD30643 conducted on February 1, 2002.
1 shared non-person entities · 1 shared topics · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034958
Calibration report showing recovery percentages for various chemical standards used in the GCMS analysis.
1 shared non-person entities · 1 shared topics · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000033886
Technical data sheet recording instrument parameters and calibration details for GCMS Method 508 analysis conducted in November 2001.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034366
Laboratory report documenting GCMS analysis of sample AD28468 conducted between November 21 and 26, 2001.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034790
Laboratory analyst notes on GCMS scan results and recovery rates for sample AD28599 analyzed in early December 2001.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000030980
Laboratory report documenting GCMS analysis of sample AD26128 conducted on December 3, 2001.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034249
Laboratory report documenting GCMS analysis of sample AD28277 conducted between November 21 and 26, 2001.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034258
Laboratory report documenting GCMS analysis of sample AD28473 conducted between November 21 and 26, 2001.
Similarity score 0.995 (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_000033704
Department of Environmental Protection record logging GCMS X samples from November to December 2001.
Filed in the same folder
NYC-WTC_000033705
Fragmented page from a GCMS-related record dated between November 20 and 26, 2001, likely part of the WTC environmental monitoring series.
Filed in the same folder
NYC-WTC_000033723
Calibration record for GCMS instrument 209 using method GCMS1126, dated November 26-28, 2001, listing standard compounds and retention times.
Filed in the same folder
NYC-WTC_000033726
Laboratory report of a GCMS reference analysis for sample AD28143 conducted on November 28, 2001, listing detected compounds and retention times.
Filed in the same folder
NYC-WTC_000033731
Laboratory report detailing GCMS analysis of sample AD28145 conducted on November 29, 2001, noting unknown compounds.
Filed in the same folder