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 0.998
machine-extracted · confidence unavailable · Check page ↗Laboratory report for sample AE09973 showing surrogate recovery and unknown compounds from May 9, 2002.
NYC-WTC_000044025–000044054Folder label: “GCMS X 4/25/02 A 5/7/02”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report Data File C:\MSDCHEM\1\DATA\050602\9973 .D Vial: 21 Acq On 7 May 2002 3:59 am Operator: Mclean Sample 4/25 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 20 Pyrazine, methoxy-, 4-oxide Concentration Rank 19 R.T. EstConc Area Relative to ISTD R.T. 37.74 0.22 ug/L 126494 Perylene-dl2 34.71 Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 Pyrazine, methoxy-, 4-oxide 126 C5H6N2O2 023902-69-4 4 2 Formamide, N-(cyanomethyl)- 84 C3H4N2O 005018-27-9 3 3 Furan, 2,5-dihydro-3-methyl- 84 C5H80 001708-31-2 2 4 2H-Pyran-2-one 96 C5H402 000504-31-4 2 Abundance Scan 5899 (37.739 min): 9973. D (-5896) (-) m/z 40.10 100.00% 49
5000 84 207 281 37.40 37.60 37.80 38.00 ■ i 1 1 1 1 i ' ■ 1 ■ 1 "IB iT m/Z 84.00 35.16% m/z-> 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 Abundance 43 #1411: Pyrazine, methoxy-, 4-oxide AM 5000 1 1 I • ' ’ ’ f - f i I I I I I I I I
37.40 37.60 37.80 38.00 $55 96 126 m/z 207.00 29.69% 68
m/z->0 20 40 +r +14,4,' 60 ' 110 । । * 1 11 । 1 1 1 1 । 1 1 1 1 । 1 1 1 1 I 1 1 ’ > । 1 r 1 1 । i 1 ' i 1 ' ' ' i 80 100 120 140 160 180 200 220 240 260 280 h/MMhaMAMMWMvMoMMMWN Abundance #541: Formamide, N-(cyanomethyl)- 29 i 1 1 ' ' i 1 ■ 1 1 i 84 37.40 37.60 37.80 38.00 55 m/z 96.20 23.83% 5000
th 1 J 1 > 1 1 I » ’ ,44.4, T-p m/z->0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 Abundance #386: Furan, 2,5-dihydro-3-methyl- iim iiiiiii|mi iiiiiiiih pi lining 29 37.40 37.60 37.80 38.00 84 m/ Z 50.90 22.40% 69 5000 56
15 I 3,
m/z-> 44 ' ? ' 1, J'- 0 20 40 60 T-p 80 100 120 140 160 180 200 220 240 260 280 I III 11 1 1 I 37.40 37.60 37.80 38.00 —
9973.D 050102.M Tue May 07 15:52:05 2002 Page 24
NYC-WTC_000044053
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_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 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000043976
Laboratory report for sample AE09970 showing surrogate recovery and unknown compounds from May 9, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044001
Laboratory report for sample AE09972 showing surrogate recovery and unknown compounds from May 9, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044071
Laboratory report for sample AE09971 showing surrogate recovery and unknown compounds from May 9, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997
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 non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044902
Laboratory report showing gas chromatography-mass spectrometry results for unidentified organic compounds in sample AE09093 on May 10, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045092
Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE10304 conducted on May 17, 2002.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024014
Laboratory report showing GC/MS analysis of sample AE10985 with surrogate recovery data for 2,4-DDD.
1 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013524
Laboratory report documenting GCMS analysis of sample AE11929 conducted on June 4, 2002.
1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013496
Laboratory report documenting GCMS analysis of sample AE11928 conducted on June 4, 2002.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013643
Laboratory report documenting GCMS analysis of sample AE12162 conducted on June 5, 2002.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000012989
Laboratory report presenting analytical results for target compounds and surrogate recovery data for water sample AE11907.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000047851
GCMS analysis report for sample AE08254 showing surrogate recovery and unknown compounds from April 2002.
Similarity score 0.984 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024014
Laboratory report showing GC/MS analysis of sample AE10985 with surrogate recovery data for 2,4-DDD.
Similarity score 0.978 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023023
Laboratory report detailing gas chromatography mass spectrometry analysis of sample AE09571 conducted on May 14, 2002.
Similarity score 0.976 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000010867
Laboratory report documenting gas chromatography-mass spectrometry results for sample AE02713 including surrogate recovery.
Similarity score 0.976 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037700
Laboratory report documenting GCMS analysis of a method blank for sample AE03611 to verify analytical system cleanliness.
Similarity score 0.975 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000015496
Laboratory report showing non-detect levels of volatile organic compounds in a GCMS blank sample analyzed on June 5, 2002.
Similarity score 0.975 (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_000043745
Single-page administrative log from DEP Box 25 covering GCMS X analyses dated between April 25 and May 7, 2002.
Filed in the same folder
NYC-WTC_000043746
Fragmented page containing Method 508 headers and partial text from a DEP laboratory record dated April 2002.
Filed in the same folder
NYC-WTC_000043749
Laboratory report documenting a method blank analysis for GC/MS testing of volatile organic compounds from May 2002.
Filed in the same folder
NYC-WTC_000043756
Calibration data report for sample AE09684 listing response factors and concentrations for target analytes in May 2002.
Filed in the same folder
NYC-WTC_000043760
Reference gas chromatography-mass spectrometry analysis with manual result entry for sample AE09684, detecting multiple organic contaminants.
Filed in the same folder