NYC-WTC_000009794
Analytical results page for sample AE01233 processed on February 25, 2002, showing surrogate recovery data.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗Analytical results page for sample AE01223 processed on February 25, 2002, showing surrogate recovery data.
NYC-WTC_000009739–000009748Folder label: “GCMS X 1/17/02 A 2/17/02”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report
Data File : C:\HPCHEM\1\DATA\FEB1502\1223.D Vial: 34 Acq On : 17 Feb 2002 1:22 am Operator: 209 GALOS Sample : gc/ms scan 1/17 Inst : GC/MS 209 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 2 Acetaldehyde Concentration Rank 1
R.T. EstConc Area Relative to ISTD R.T.
44.69 0.43 ug/1 25197 Perylene-dl2 38.08
Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Acetaldehyde ly 44 C2H40 000075-07-0 3 2 Ethylene/oxide 44 C2H40 000075-21-8 3 3 6-Methyl-l,2,3,4-tetrahydroquinoxal 208 C9H8N2S2 000000-00-0 2 4 Piperidine, 1-nitro- __________ 130 C5H10N2O2__ 007119-94-0 2 Abundance 6 Scan 4319 (44.691 min): 1223.D (-) m/z 39.95. 100.00% 40
5000 ■ ‘ i ■ ■ • ■ i ■ ■ ‘ i ‘ ■ i ' ■
44.40 44.60 44.80 45.00 73 207 253 ’ 141’11 1 I m/z 43.95 46.93% m/z-2............. 20 40 . 60__ 80 100 120 140 160 180 200 220 240 Abundance #36: Acetaldehyde 29 44
5000 44.40 44.60 44.80 45.00 m/ z 44.85 0.96% ........ .......■ 11 • > ■ > । miz- 20 40 60 80 100 120 140 160 180 200 220 240 Abundance 29 ' ' l ' ' ‘ ' i ' ' ‘ i ■ ‘ ‘ i ' ‘ 15 44 44.40 44.60 44.80 45.00 5000 m/z 35.90 0.95%
20 40 60 80__ 100 120 140 160 180 200 220 240 Abundance #24745: 6-Methyl-1,2,3,4-tetrahydroquinoxaline-2,3-dithione 40 44.40 44.60 44.80 45.00 m/z 252.85 0.56% 5000 148 51 63 77 89 0 104 208 164 II ■ ■ 1 1 1 ■ ' i ■ ' ■ ■ i ■ ■ ■ ■ i 1" IT ’i m/z-> 20 40 60 80 100 120 140 160 180 200 220 240 44.40 44.60 44.80 45.00
1223.D GCMS0208.M Thu Feb 21 09:29:18 2002 Page 2
NYC-WTC_000009747
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_000009794
Analytical results page for sample AE01233 processed on February 25, 2002, showing surrogate recovery data.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000009456
Gas chromatography mass spectrometry results for sample AE00895 analyzed on February 25, 2002.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000009446
Gas chromatography mass spectrometry results for sample AE00898 analyzed on February 26, 2002.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000009721
Analytical results page for sample AE01220 processed on February 25, 2002, showing surrogate recovery data.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000009764
Analytical results page for sample AE01230 processed on February 25, 2002, showing surrogate recovery data.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000005868
Analytical report showing surrogate recovery data for sample AE00162 analyzed on February 25, 2002.
1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000005679
Laboratory report for DEP sample AE02972 showing unknown compounds and surrogate recovery data from February 15, 2002.
1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000005794
Gas chromatography-mass spectrometry analysis of environmental sample AE00006 conducted on February 15, 2002.
1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018385
Laboratory report documenting GCMS analysis of sample AD31465 conducted on February 11, 2002.
1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000005660
Laboratory report for DEP sample AE02969 showing unknown compounds and surrogate recovery data from February 15, 2002.
1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000005669
Laboratory report for DEP sample AE02970 showing unknown compounds and surrogate recovery data from February 15, 2002.
1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000016625
Gas chromatography mass spectrometry report documenting analytical results for environmental samples processed in mid-February 2002.
1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000009730
Analytical results page for sample AE01221 processed on February 25, 2002, showing surrogate recovery data.
Similarity score 0.992 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000048717
GCMS laboratory report for sample AE05846 analyzed on April 23, 2002, by analyst DLV.
Similarity score 0.991 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017380
Laboratory report documenting GCMS analysis of sample AD31018 conducted on January 18, 2002, showing detection of unknown compounds and surrogates.
Similarity score 0.991 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000009773
Analytical results page for sample AE01231 processed on February 25, 2002, showing surrogate recovery data.
Similarity score 0.990 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000058798
Laboratory report page showing surrogate recovery data for sample AE01153 analyzed on March 22, 2002.
Similarity score 0.989 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000016213
Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AD31380 conducted on February 7, 2002.
Similarity score 0.988 (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_000009702
Administrative record from DEP Box 14 covering the period of January to February 2002 regarding World Trade Center environmental activities.
Filed in the same folder
NYC-WTC_000009703
Multi-page DEP laboratory record containing method parameters and sample analysis data from January 17, 2002.
Filed in the same folder
NYC-WTC_000009706
Calibration data page for GCMS analysis of sample AE01220 conducted on February 16, 2002.
Filed in the same folder
NYC-WTC_000009710
Blank sample analysis report for GCMS testing showing non-detectable levels of target compounds on February 21, 2002.
Filed in the same folder
NYC-WTC_000009716
Reference standard analysis report for GCMS testing verifying instrument performance with specific compound concentrations.
Filed in the same folder