NYC-WTC_000036350
Blank sample analysis report for GCMS testing showing non-detect levels for target analytes.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗Laboratory data sheet recording GCMS analysis of a blank sample for nitrosamines and chlorinated compounds.
NYC-WTC_000035776–000035787Folder label: “GCMS X 11/30/01 A 12/10/01”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report Data File : C:\HPCHEM\1\DATA\DEC1001\LB.D Vial: 3 Acq On : 10 Dec 2001 11:42 am Operator: 209 GALOS Sample : gc/ms scan 11/30 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 Silane, tetramethyl- Concentration Rank 2
R.T. EstConc Area Relative to ISTD R.T. 7.59 3.83 ug/1 907560 1,4-Dichlorobenzene-d4 11.67 Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 Silane, tetramethyl- 88 C4H12Si 000075-76-3 25 2 N-Ethylformamide 73 C3H7NO 000627-45-2 9 3 1,3-Dioxolane, 2- (3-bromo-5,5,5-tri 352 C10H16BrC13O2 000000-00-0 9 4 Pentane, 3-methoxy- 102 C6H140 036839-67-5 9 Abundance Scan 278 (7.594 mln' : LB.D (-) m/z 73.00100.00% 73 1
5000 43 1-p-n-r-j-r-n-lH- TTIIXTruur 103 7.20 7.40 7.60 7.80 8.00 37, |, I 49 55.. 67, i , 87 -n-p-r-n-p PITTTH TTpTEBDOgT l ■ • i • i n p •. . । , i । , . . . p > m/z 43.0.5 26.32% mlz- 10 20 30 40 50 60 70 80 90 100 11. 120 Abundance' #62932: Silane, tetramethyl- 73
5000 T-T-r-r-r-r-rr-r 7.20
15 45 I 53 59 88 m/z 7.40 L 10.08% 7.60 7.80 8.00
T1BB—B—————igrtmevrupr 1 | I TT I TT I I • | f I : I | I I I I | ! T miz-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #292: N-Ethylformamide 30 73 1111 TInmPTIT 7.20 7.40 7.60 7.80 8.00 5000 m/z 41.05 9.10% 44 58 15 TIT r-p-m-jH + I TT — 1 1 ■ ■ ■ i ‘ ‘ • i ■ ■ ‘ 1 i ‘ ‘ ' i ■ ■ • ‘ i ■ ■ m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #49423:1,3-Dioxolane, 2-(3-bromo-5,5,5-trichloro-2,2-dimet TTTmar — — H TTmrur 73 7.20 7.40 7.60 7.80 8.00 m/z 71.0.0 6.56% 5000 45 36 55 67. TTPTTr । | 4-r __ ________ 109115 Tj 1TTT1T48 ’11nn.tIT161I~T TI TT I I II T TI TTIm TTT TT T T m/z—> 10 20 30 40 50 60 70 80 90 100 110 120 7.20 7.40 7.60 7.80 8.00
LB.D GCMS1126.M Thu Dec 13 10:55:06 2001 Page 1
NYC-WTC_000035782
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000036350
Blank sample analysis report for GCMS testing showing non-detect levels for target analytes.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036044
Technical form recording method parameters, drip rates, and analytical data for GCMS testing procedures.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037219
Gas chromatography-mass spectrometry blank report for sample AD29932 analyzing nitrosamines and chlorinated compounds on December 18, 2001.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036210
Reference analysis results for target analytes used to verify GCMS instrument performance in December 2001.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036311
Laboratory analysis report for sample AD29285 conducted on December 28, 2001, including surrogate recovery data.
1 shared topics · Same agency, volume and box · similarity 0.995
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 topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036079
Laboratory report showing GCMS scan results for sample AD29135 including detection of unknown compounds and surrogates.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036137
Laboratory report noting GCMS scan results for sample AD29233 with phthalates and nonadecanol detected.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035831
Lab notes for sample AD29141 indicate detection of bis(2-Ethylhexyl)phthalate and one LCS compound outside acceptance range.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034759
Laboratory analyst notes on GCMS scan results and recovery rates for sample AD28595 analyzed in early December 2001.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035853
Lab notes for sample AD29139 indicate detection of di-n-butylphthalate and one LCS compound outside acceptance range.
1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000004149
Large multi-page laboratory data sheet containing sample analysis results and metadata for DEP GCMS records from January to February 2002.
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_000035909
Lab notes for sample AD29024 indicate detection of bis(2-Ethylhexyl)phthalate and no unusual compounds.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000019070
Laboratory report of gas chromatography-mass spectrometry analysis for sample AD30115 conducted on January 9, 2002.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035745
Laboratory notes indicating re-extraction is required due to low recovery and potential contamination.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018445
Laboratory report showing GC/MS calibration data for polycyclic aromatic hydrocarbons and deuterated standards.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036360
Laboratory GCMS analysis report for sample AD29289 conducted on January 4, 2002, showing unknown compounds and surrogates.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017782
Laboratory report detailing gas chromatography-mass spectrometry analysis of sample AD303B5 conducted on January 10, 2002.
Similarity score 0.997 (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_000035773
Department of Environmental Protection record logging GCMS X samples from November to December 2001.
Filed in the same folder
NYC-WTC_000035774
Laboratory data sheet recording sample volumes and drip rates for GCMS Method S08 analysis.
Filed in the same folder
NYC-WTC_000035788
Calibration data sheet verifying instrument response for nitrosamines and benzene derivatives.
Filed in the same folder
NYC-WTC_000035793
Document containing reference values and recovery data for organic compounds analyzed by GCMS.
Filed in the same folder
NYC-WTC_000035798
Lab notes for sample AD29188 indicate no unusual compounds detected except for unknowns and Sur_2,4-DDD.
Filed in the same folder