Laboratory report for DEP sample AE02973 showing unknown compounds and surrogate recovery data from February 15, 2002.
NYC-WTC_000005689–000005697Folder label: “GCMS X 2/7/02 A 2/9/02”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report
Data File C:\HPCHEM\l\DATA\FEB0802\2973.D Vial: 37 Acq On 9 Feb 2002 8:17 pm Operator: 209 GALOS Sample GC/MS SCAN 2/7FB 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 1 Butane, 2-methoxy-2-methyl- Concentration Rank 1
R.T. EstConc Area Relative to ISTD R.T.
8.22 2.66 ug/1 351946 1,4-Dichlorobenzene-d4 12.34
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 Butane, 2-me thoxy - 2 - me t hy l - 102 C6H140 000994-05-8 36 2 3-Pentanol 3-methyl- 102 C6H140 000077-74-7 28 3 1,3 -Dioxol ane, 2-methyl- 88 C4H802 000497-26-7 9 4 Silane/ tetramethyl- 88C4H12Si 000075-76-3 9 Abundance / Scan 346 (8.222 min): 2973.D (-) | m/z 73.00 100.00% 73
5000 43 / 7.80 8.00__ 8.20 8.40 8-60 m/z-> +38,1450 55+59— 67+4 4 87 103 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 TTTTTTITTTTTTTTHWTTTITT m/z 43.05 37.09% Abundance #1761: Butane, 2-methoxy-2-methyl- 73
5000- . 2....... 7.80 8.00 8.20 8.40 8.60 55 87 m/z 45.0.5 13.68% 45 .. 27 33 TItvungrutrjui " I " " I'1" I "11111" I" " i" TTI I ■ ’" r ‘ " i ■ ■' • r ■ m/Z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 Abundance ' . 73 l ■ ■ ■ > i ■ ■ 7.80 8.00 8.20 8.40 8.60 5000- m/ z 41.05 12.29% 55 45 87 27 rTTTTTTTTTTTTpnT-rpnT-rp-rrTpTTTyrTTTpTTT-pTT-qTTTTp^TTp-rrTT^^ m/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 Abundance #62902: 1,3-Dioxolane, 2-methyl-.............. . .....-.... ...... 73 7.80 8.00 8.20 8.40 8.60 m/z 71.00 7.83% 5000 43
58 27 87 0 ...... I ’ I " I 1....... . I l H I .... | T7 r r | .! I ! | I I 1 I | 1 I 1 I | I I I I | I | I ! | | | | | | , I | I | | | , I | I I ! I | M H | I 1 ! | | , , m/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 7.80 8.00 8.20 8.40 8.60
2973.D GCMS0208.M Wed Feb 13 11:12:55 2002 Page 1
NYC-WTC_000005696
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_000005725
Gas chromatography-mass spectrometry analysis of environmental sample AE02971 conducted on February 15, 2002.
1 shared topics · Same agency, volume and box · 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 · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000005716
Gas chromatography-mass spectrometry analysis of sample AE03015 conducted on 2/15/2002, detecting 2,4-DDD and other unknown compounds with specified detection limits.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000005698
Laboratory report for DEP sample AE03014 showing unknown compounds and surrogate recovery data from February 15, 2002.
1 shared topics · Same agency, volume and box · 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 · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000005651
Laboratory report for DEP sample AE02968 showing unknown compounds and surrogate recovery data from February 15, 2002.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000005772
Gas chromatography-mass spectrometry analysis of environmental sample AD31663 conducted on February 15, 2002.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000005642
Laboratory report for DEP sample AE02967 showing unknown compounds and surrogate recovery data from February 15, 2002.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000005877
Analytical report showing surrogate recovery data for sample AE00164 analyzed on February 25, 2002.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000005763
Gas chromatography-mass spectrometry analysis of environmental sample AD31662 conducted on February 15, 2002.
1 shared topics · Same agency, volume and box · 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 · 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 · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
Page similarity is temporarily unavailable or this page has no indexed vector.
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_000005604
Department of Environmental Protection GCMS sample tracking record for the World Trade Center site dated February 2002.
Filed in the same folder
NYC-WTC_000005605
Fragmented header page from a Method 508 laboratory document dated February 7-9, 2002, showing instrument parameters.
Filed in the same folder
NYC-WTC_000005607
Instrument sequence log listing sample IDs and analytical runs processed on February 8, 2002, including calibration checks.
Filed in the same folder
NYC-WTC_000005610
Laboratory report for DEP sample AE02966 listing concentrations of target compounds including nitrosamines and chlorobenzenes.
Filed in the same folder
NYC-WTC_000005614
Reference analysis report for DEP sample AE02966 showing measured values for target compounds against detection limits.
Filed in the same folder