NYC-WTC_000044001
Laboratory report for sample AE09972 showing surrogate recovery and unknown compounds from May 9, 2002.
1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗Gas chromatography-mass spectrometry blank analysis showing results below method detection limits for organic compounds.
NYC-WTC_000044433–000044446Folder label: “GCMS X 4/29/02 A 5/1/02”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report
Data File C:\MSDCHEM\1\DATA\050102\0429LB.D Vial : 10 Acq On 1 May 2002 5:02 pm Operator: Mclean Sample Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e
Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L
Peak Number 1 1,3-Dioxol-2-one Concentration Rank 3
R.T. EstConc Area Relative to ISTD R.T.
3.71 0.34 ug/L 144230 1,4-Dichlorobenzene-d4 9.93
Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 1,3-Dioxol-2-one 86 C3H203 000872-36-6 7 2 1,3-Dioxol-2-one 86 C3H203 000872-36-6/7 3 1,3-Dioxol-2-one 86 C3H203 000872-36-6 7 4 2-Propanone, methylhydrazone 86 C4H10N2 005771-02-8 5 Abundance Scan 107 (3.708 min): 0429LB.D (-105) (-) m/z 86.00 1’00.00% 40 83
5000 49
TI 58 340 3.60 3.80 4.00 36 l-rrr i1111 r1" i r 1111 THT T TTITTTTTTPTTTTTTTTT r'111 m/z 40.10 90.07% WWwAWANW m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #34604: 1,3-Dioxol-2-one 83 29 42 5000 ' 1 1 I ' 1 ‘ 1 I ' 1 ’ ' I ' 1 ’ rT ‘"t" । 3.40 3.60 3.80 4.00 14 58 m/z 42.20 51.02% 322I I I I 38 17 26। 4548 53 . 64 71 ,89... Tj 1’11 ...... I1' I I I I I I I I I I I I I I I I I I I I । । i > i । । < i > ■ । । i ■ i । r। । > । i ■ i । । 11 ■ r 111 r M m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #116747: 1,3-Dioxol-2-one 29 83
42 11 1 ■ I ' ' 4 340 3.60 3.80 4.00 m/ z 49.10 49.44% "Wwapy""Mywn 5000 58
rrryr 2326 I I I I I < I I I I I I I I I I I I I 32 36391 45 5( 50 55 63 67 71 77 83 ,89 ।" " ।1' 11!' I I I I I I I I I I I I I I I I I I 1TTT 111111 ■ ■ i ■ I I I I I I I I I I I I I I I I I > I
/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #116748: 1,3-Dioxol-2-one 83 3.40 3.60 3.80 4.00 29 m/z 51.10 30.47%
5000 42
58 "MMwy,o""““"WMlae 261 1 4548 55 62 74 83 /z-> T 5 11 11' 1111' I H "TTT11111111-011111000—01-10——IOUUTTT 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 111" " । ■■ ■ ■ i ■ ■ ■ ■ i ■ ■ ■ ■ । 1 ' । ' t । । > 1 I 3.40 3.60 3.80 4.00
0429LB.D 050102.M Thu May 02 14:53:45 2002 Page 4
NYC-WTC_000044439
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_000044001
Laboratory report for sample AE09972 showing surrogate recovery and unknown compounds from May 9, 2002.
1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045048
Laboratory report showing blank analysis results for volatile organic compounds in sample AE10303 on May 9, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045547
Laboratory report of a GC/MS blank run analyzing volatile organic compounds with results below detection limits in May 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000043938
Gas chromatography-mass spectrometry analysis report for sample AE09968, detecting unknown compounds and 2,4-DDD surrogate with 78% recovery, dated May 9, 2002.
1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044994
Laboratory report showing gas chromatography-mass spectrometry results for unidentified organic compounds in sample AE10204 on May 10, 2002.
1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000043958
Laboratory report for sample AE09969 showing surrogate recovery and unknown compounds from May 9, 2002.
1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045643
Laboratory report detailing GC/MS analysis of sample AE10609 including surrogate recovery data in May 2002.
1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000043893
Laboratory report for sample AE09771 showing surrogate recovery and unknown compounds from May 9, 2002.
1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045155
Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE10307 conducted on May 17, 2002.
1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023843
Laboratory report showing non-detectable levels of nitrosamines and other contaminants in a GC/MS blank sample AE10901.
1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025054
Laboratory report showing GCMS blank analysis for sample AE11379 conducted on May 21, 2002, with results below minimum reporting levels.
1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000022857
GCMS analytical report for environmental sample AE09155 including surrogate compound data from May 15, 2002.
1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000012937
Laboratory report presenting analytical results for target compounds and surrogate recovery data for water sample AE11904.
Similarity score 0.992 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013666
Laboratory report documenting GCMS analysis of sample AE11932 conducted on June 5, 2002.
Similarity score 0.992 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000015342
Record of laboratory drip rate measurements and pH counts for a water sample analyzed in June 2002.
Similarity score 0.991 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000012794
Laboratory report presenting analytical results for target compounds and surrogate recovery data for water sample AE11799.
Similarity score 0.989 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013968
GCMS analysis results for sample AE11603 dated June 4, 2002, documenting unknown compounds and surrogate recovery.
Similarity score 0.989 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013643
Laboratory report documenting GCMS analysis of sample AE12162 conducted on June 5, 2002.
Similarity score 0.989 (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_000044430
Single-page administrative log from DEP Box 25 covering GCMS X analyses dated between April 29 and May 1, 2002.
Filed in the same folder
NYC-WTC_000044431
Fragment of a document containing unreadable text and partial headers from a DEP laboratory procedure.
Filed in the same folder
NYC-WTC_000044447
Instrument qualification report for DFTPP showing pass/fail status for mass spectral limits on April 30, 2002.
Filed in the same folder
NYC-WTC_000044449
Calibration data for GCMS analysis of volatile organic compounds recorded on May 2, 2002.
Filed in the same folder
NYC-WTC_000044451
Calibration scan report showing retention times and deviations for organic compounds on May 2 2002.
Filed in the same folder