NYC-WTC_000035342
Log recording sample volume, drip rates, and addition details for GCMS analysis in December 2001.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗Laboratory calibration table for EPA Method 625/TCLP analysis dated December 21, 2001, listing standard compounds and response factors.
NYC-WTC_000034428–000034435Folder label: “GCMS X 11/21/01 A 12/21/01”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document Library Search Compound Report
Data File : C:\HPCHEM\l\DATA\DEC1901\LBC.D Vial: 23 Acq On : 21 Dec 2001 4:01 am Operator: GALOS Sample : gems unknown 11/21 Inst : GC/MS Ins Mise Multiplr: 1.00 MS Integration Params: LSCINT.P
Quant Method : C:\HPCHEM\1\METHODS\NP112701.M (RTE Integrator) Title : 208 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1
R.T. EstConc Area Relative to ISTD R.T.
7.84 1.45 ng/uL 466821 1,4-Dichlorobenzene-d4 11.86
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 59 2 2-Pentanone, 4- droxy-4-methyl- 116 C6H1202 000123-42-2 45 3 2 - Pentanone, 4 /hydroxy- 4 -methyl - 116 C6H1202 000123-42-2 43 4 CH2=CHCH2C(0)0CH3 100 C5H802 __ 003724-55-8 12 Abundance 7 7 Scan 327 (7.838 min): LBC.D (-) 4 m/z 43.10 100.00%
5000 59
101 I b ' 1 1 I ■ — 1—0——— 7.40 7.60 7.80 8.00 8.20 TII—B—n-n—B—T—T _ 381 1 T TT T53, TT —1—— 83 — m/z 59.10 50.04% m/z-> 10 20 30 40 50 I60 70 80 90 100 110 Abundance #64274: 2-Pentanone, 4-hydroxy-4-methyl- 43
5000- 59 .|.— - — s — — , 7.40 7.60 7.80 8.00 8.20 m/z 101.05 18.10% 27 I I I I i i k ) I i । I . I I I I 49 . | S3 " 1————————— TT . , IIn j TI i < ■ i > 101 miz->__ 10 20 30 40 50 60 70 80 90 100 110 Abundance #€4275, 2-Pentanone, 4-hydroxy-4-methyl- 43 i ■ ■ ■ ■ i ■ ■ ■ ■ i ■ 1 1 ■ i ■ ■ ■ ■ i ■ ■
7.40 7.60 7.80 8.00 8.20 5000 m/ z 58.10 16.62% 59 15 31 101 83 ■ ■ । ■ ■ ■ ' । ■ i ' ' ' ' i ' ' ' ■ i miz— > 10 20 30 40 50 60 70 80 90 100 110 Abundance #3245: 2-Pentanone, 4-hydroxy-4-methyl- ----- 43 7.40 7.60 7.80 8.00 8.20 m/z 41.10 7.47% 5000 - 59
31 -------- 1 II ■ ■ 1 । 73 * > ■ ■ । 83। । । 101। । । । । । — 444, A । 4 miz-> 10 20 30 40 50 60 70 80 90 100 110 7.40 7.60 7.80 8.00 8.20
LBC.D NP112701.M Fri Dec 28 09:32:35 2001 Page 1
NYC-WTC_000034434
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_000035342
Log recording sample volume, drip rates, and addition details for GCMS analysis in December 2001.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035518
Calibration data sheet for GC/MS analysis dated December 28, 2001, listing deuterated standards.
1 shared topics · Same agency, volume and box · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034436
Laboratory report documenting GCMS analysis of sample AD27775 conducted on January 2, 2002, noting unknown compounds and surrogate recovery.
1 shared topics · Same agency, volume and box · similarity 0.989
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034642
Laboratory report documenting GCMS analysis of sample AD28105 conducted on January 2, 2002.
1 shared topics · Same agency, volume and box · similarity 0.989
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034505
Laboratory report documenting GCMS analysis of sample AD28047 conducted on January 2, 2002.
1 shared topics · Same agency, volume and box · similarity 0.989
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034631
Laboratory report documenting GCMS analysis of sample AD28167 conducted on January 2, 2002.
1 shared topics · Same agency, volume and box · similarity 0.989
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034686
Laboratory report documenting GCMS analysis of sample AD28170 conducted on January 2, 2002.
1 shared topics · Same agency, volume and box · similarity 0.989
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034006
Calibration table for TCLP analysis listing retention times and response factors for standard compounds on December 20-21, 2001.
1 shared topics · Same agency, volume and box · similarity 0.988
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000032693
Calibration data sheet for GCMS analysis using TCLP method, listing standards and response factors from December 2001.
1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000032818
Calibration data sheet for GCMS analysis using TCLP method, listing standards and response factors from December 2001.
1 shared topics · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000032591
Laboratory report for GCMS analysis of sample AD27013 completed on December 10, 2001.
1 shared topics · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033404
Document header page from a GCMS analysis batch dated December 13, 2001, likely part of the WTC environmental monitoring series.
1 shared topics · similarity 0.989
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000033112
Laboratory report documenting GCMS analysis of environmental sample AD27625 conducted on January 3, 2002.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035518
Calibration data sheet for GC/MS analysis dated December 28, 2001, listing deuterated standards.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034447
Laboratory report documenting GCMS analysis of sample AD27984 conducted on January 2, 2002, noting unknown compounds and surrogate recovery.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034457
Laboratory report documenting GCMS analysis of sample AD27985 conducted on January 2, 2002, noting unknown compounds and surrogate recovery.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033067
Laboratory report documenting GCMS analysis of environmental sample AD27622 conducted on January 3, 2002.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035528
GCMS analysis results for sample AD28322 dated January 3, 2002, showing surrogate compound results.
Similarity score 0.997 (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_000034424
Document page with illegible text and partial date fragments, likely a GCMS record based on folder context.
Filed in the same folder
NYC-WTC_000034425
Fragmented DEP laboratory record from December 2001 containing illegible text and partial date stamps.
Filed in the same folder
NYC-WTC_000034436
Laboratory report documenting GCMS analysis of sample AD27775 conducted on January 2, 2002, noting unknown compounds and surrogate recovery.
Filed in the same folder
NYC-WTC_000034447
Laboratory report documenting GCMS analysis of sample AD27984 conducted on January 2, 2002, noting unknown compounds and surrogate recovery.
Filed in the same folder
NYC-WTC_000034457
Laboratory report documenting GCMS analysis of sample AD27985 conducted on January 2, 2002, noting unknown compounds and surrogate recovery.
Filed in the same folder