NYC-WTC_000034235
Laboratory commentary noting moderate recovery rates and absence of unusual compounds in sample AD28273.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗Laboratory analyst notes on GCMS scan results and recovery rates for sample AD28595 analyzed in early December 2001.
NYC-WTC_000034759–000034780Folder label: “GCMS X 11/23/01 A 11/29/01”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report Data File C:\HPCHEM\1\DATA\DEC0 601\28594.D vial: 3 Acq On 6 Dec 2001 1:05 pm Operator: 209 GALOS Sample re extract Inst : GC/MS 209 MisC : 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 N-Ethylformamide Concentration Rank 1
R.T. EstConc Area Relative to ISTD R.T. 7.61 2.83 ug/l 1036840 1,4-Dichlorobenzene-d4 11.67 Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 N-Ethylformamide 73 C3H7NO 000627-45-2 9 2 Silane, t tramethyl- 88 C4H12Si 000075-76-3 9 3 1,3-Dioxo ane, 2-methyl- 88 C4H802 000497-26-7 5 4 Ether / 74 C4H1O0 000060-29-7 4 Abundance Scan 279 (7.606 min): 28594.D (-) m/z 73.00 100.00% 73
5000 43
87 103 7.20 7.40 7.60 7.80 8.00
mlz-> Ui ............... + - 207 TrprTTTyTrrTprrrpTTTyTrTTpTTTpTrTpTTTpT^ 10 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 m/z 43.05 25.56% Abundance #292: N-Ethylformamide 33 73
5000 i'1' n 111 7.60 ' 44 58 7.20 7.40 7.808.00 m/z 41.05 9.69%
nk~> .15—1 m TTTTTTggTpT 10 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 Abundance #845: Silane, tetramethyl- 73 | । । ' I 1 1 TIT ' 1 7.20 7.40 7.60 7.80 8.00 5000 m/z 45.05 9.36%
45 15 31 , 55 ,___ 88 I I'1''I 1 TTmT TTTTT |....|....|....|....|.,..|..,.|..ii|inl|lirrpiii|iiii| mlz-> 10 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 Abundance #62902:1,3-Dioxolane, 2-methyl- 73 7.20 7.40 7.60 7.80 8.00 m/z 71.00 6.52% 5000 43
58 87 27 m m # 111 ri TTTTTTTTTp ' T’T.' ITT r i i-1 i i i , -j-r . . . । i i Tl/Z-> 10 20 30 40 50 60 70 80 90 100110120130140150160170180190 200210 7.20 7.40 7.60 7.80 8.00
28594.D GCMS1126.M Thu Dec 06 15:01:18 2001 Page 1
NYC-WTC_000034765
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000034235
Laboratory commentary noting moderate recovery rates and absence of unusual compounds in sample AD28273.
1 shared topics · Same agency, volume and box · similarity 0.997
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 0.996
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 0.996
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 0.996
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_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_000036114
Laboratory report noting GCMS scan results for sample AD29230 with one compound recovery outside acceptance range.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035808
Laboratory analysis notes for sample AD29023 indicating no unusual compounds detected in GCMS scan; one of forty-three compounds in quality control standard outside acceptance rang
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035640
Lab report noting bis(2-Ethylhexyl)phthalate detection, recovery issues, and low pH.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036325
Laboratory GCMS analysis report for sample AD29229 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_000036220
Blank sample results showing non-detect levels for target compounds during December 2001 laboratory testing.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034908
Repeat gas chromatography-mass spectrometry analysis of sample AD28596 after re-extraction, confirming bis(2-Ethylhexyl)phthalate at 0.36 ug/L with improved standard recovery of 89
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗No available related records indexed in this group.
Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000019061
Laboratory report of gas chromatography-mass spectrometry analysis for sample AD30085 conducted on January 9, 2002.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034908
Repeat gas chromatography-mass spectrometry analysis of sample AD28596 after re-extraction, confirming bis(2-Ethylhexyl)phthalate at 0.36 ug/L with improved standard recovery of 89
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035651
Lab report noting bis(2-Ethylhexyl)phthalate detection and recovery issues in a water sample.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036278
Laboratory analysis report for sample AD29296 conducted on December 28, 2001, including surrogate recovery data.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035580
GCMS scan results for sample AD28903 dated December 15, 2001, detecting bis(2-Ethylhexyl)phthalate.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000019090
Laboratory report of gas chromatography-mass spectrometry analysis for sample AD30254 conducted on January 9, 2002.
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_000034718
Document with unreadable text from DEP Box 22, folder GCMS X 11/23/01 A 11/29/01.
Filed in the same folder
NYC-WTC_000034719
Gas chromatography-mass spectrometry laboratory analytical data sheet with sample identification numbers, volumetric measurements, drip rates, and final analysis values from…
Filed in the same folder
NYC-WTC_000034722
Gas chromatography-mass spectrometry reference report listing concentrations of volatile organic compounds for sample AD28593.
Filed in the same folder
NYC-WTC_000034727
Calibration results for gas chromatography-mass spectrometry analysis showing detector responses for standard compounds.
Filed in the same folder
NYC-WTC_000034731
Instrument blank report confirming absence of target analytes in the analytical system prior to sample testing.
Filed in the same folder