NYC-WTC_000038177
Laboratory report documenting GCMS analysis of sample AD31589 conducted on February 28, 2002.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗Laboratory report listing detection results for volatile organic compounds in sample AD31499 analyzed on February 27, 2002.
NYC-WTC_000038139–000038148Folder label: “GCMS X 2/21/02 A 2/22/02”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report
Data File : C:\HPCHEM\1\DATA\FEB2102\31499.D Vial: 35 Acq On : 23 Feb 2002 12:39 am Operator: Sample : gc/ms scan 2/21 Inst : GC/MS 2 09 Mise Multiplr:. 1.00 MS Integration Params: LSCINT.P
Quant Method : C:\HPCHEM\1\METHODS\GCMS0208.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.
8.20 2.80 ug/1 226596 1,4-Dichlorobenzene-d4 12.33
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 N-Ethylformamide 73 C3H7NO 000627-45-2 9 2 Silane, t errame thyl- 88 C4H12Si 000075-76-3 9 3 Butane, 2/methoxy-2-methyl- 102 C6H140 000994-05-8 9 4 1,3 -Dioxolane, 2-methyl- 88 C4H802 000497-26-7 7 Abundance 7 Scan 344 (8.203 min): 31499.D (-) m/z 73.00 100.00% ! 73
5000 43 ____ L__ 7.80 8.00 8.20 8.40 8.60 |....... 87 ......... 103 , 1 I' 1 I 1 49 381, 551 1 i i ■ • 1 ■ i ■ ■ ■ ' i 1 1 1 ........ m/z 42.95 2 9.80% m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #292: N-Ethylformamide 30 73
5000 58 7.80 8.00 8.20 8.40 8.60 44 m/ Z 4 1.0.5 11.02% I 15 i ' ■ ' ■ i 1 — ll ' I Urtkil*t/t*11**—TT"*"II""EIT miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #62932: Silane, tetramethyl- 73 TTII— 7.80 8.00 8.20 8.40 8.60 5000 - m/z 45.0.5 10.54% 45 15 i 53 59 .......... 88........... "T ' 1 ' 1 TT—-m । , ... । ——————— m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #1761: Butane, 2-methoxy-2-methyl- i 73 7.80 8.00 8.20 8.40 8.60 m/z 71.00 6.61% 5000 55 87 97 45 2,7 33 | ■ ■ i ■ ■ ■ ■ । ■ ■ ' i ' ■ ' ■ I ' ■ ■ ■ i F1 1 1 ' 1 I । 1 I । ' 1 ' I m/z-> 10 20 30 40 50 60 70 80 90 100 110 7.80 8.00 .20 8.40 8.60
31499.D GCMS0208.M Wed Feb 27 12:00:26 2002 Page 1 NYC-WTC_000038146
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000038177
Laboratory report documenting GCMS analysis of sample AD31589 conducted on February 28, 2002.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000038167
Laboratory report documenting GCMS analysis of sample AD31587 conducted on February 28, 2002.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000038282
Laboratory report documenting GCMS analysis of sample AE03335 conducted on March 15, 2002.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000038292
Laboratory report documenting GCMS analysis of sample AE03916 conducted on March 15, 2002.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000038187
Laboratory report documenting GCMS analysis of sample AD31590 conducted on February 28, 2002.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000038149
Laboratory report listing detection results for volatile organic compounds in sample AD31549 analyzed on February 27, 2002.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000038158
Gas chromatography-mass spectrometry analysis of environmental sample AD31551 conducted on 2/27/2002, detecting unknown compounds and 2,4-DDD surrogate at 122 ug with 5.0 ug/L MDL.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000012391
Gas chromatography-mass spectrometry results for sample AE04508 analyzed on April 4, 2002.
1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000005535
Laboratory report for DEP sample AE02784 showing unknown compounds and surrogate recovery data from March 11, 2002.
1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000011747
Laboratory report documenting GCMS analysis of sample AE04126 conducted on April 1, 2002, by analyst DLV.
1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000009692
Analytical results page for sample AE01155 processed on March 4, 2002, showing surrogate recovery data.
1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000011779
Gas chromatography-mass spectrometry analysis of environmental sample AE04132 conducted April 1, 2002, measuring organic compounds including 2,4-DDD surrogate.
1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000038234
Laboratory report documenting GCMS analysis of sample AD31630 conducted on February 28, 2002.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000039453
Laboratory report documenting GCMS blank analysis of sample AE06430 conducted on April 17, 2002.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000038158
Gas chromatography-mass spectrometry analysis of environmental sample AD31551 conducted on 2/27/2002, detecting unknown compounds and 2,4-DDD surrogate at 122 ug with 5.0 ug/L MDL.
Similarity score 0.995 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000009851
Calibration data for GCMS analysis using 625/TCLP method with deuterated compound reference standards recorded on February 21, 2002.
Similarity score 0.995 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000009657
GCMS results for sample AE01143 showing surrogate recovery data analyzed on March 4, 2002.
Similarity score 0.995 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000011429
Instrument output displaying calibration data and surrogate recovery results for sample AE03281.
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_000038102
Department of Environmental Protection site log sheet for the World Trade Center area dated February 2002.
Filed in the same folder
NYC-WTC_000038103
Single page document header containing identification codes for records in the February 21 to February 22, 2002 collection.
Filed in the same folder
NYC-WTC_000038104
Page from a laboratory log recording pH levels, drip rates, and sample volumes for multiple test entries.
Filed in the same folder
NYC-WTC_000038111
Laboratory report listing detection results for volatile organic compounds in reference sample AD31498 analyzed on February 27, 2002.
Filed in the same folder
NYC-WTC_000038116
Calibration data table for GC/MS analysis of TCLP samples listing retention times and response values for deuterated standards.
Filed in the same folder