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 9 3-Penten-2-one, 4-methyl- Concentration Rank 10
R.T. EstConc Area Relative to ISTD R.T. 5.02 0.33 ug/L 234301 1,4-Dichlorobenzene-d4 9.94
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 3-Penten-2-one, 4-methyl- 98 C6H10O 000141-79-7 43 2 2-Pentene, 3,4-dimethyl-, (E) - 98 C7H14 004914-92-5/43 3 2-Pentene, 2,4-dimethyl- 98 C7H14 000625-65-0 38 4 3-Hexen-2-one 98 C6H10O 000763-93-9 38 Abundance Scan 331 (5.024 min): 9973. D (-324) (-) m/z 83.10 LOO.00% 83 55
40 5000 49 98 I I I I I I I r I I I I I 11177111 l
4.60 4.80 500 5.20 5.40 88 n/z-> 1] I _ I ~ l " I
10 20 I I ( > I
30 I I I
40 l 5060 1
70 I
80 I I I I I I ■ I f I I )
90 100 m/z 55.10 77.05% Abundance #116425: 3-Penten-2-one, 4-methyl- 55 83
5000 ...... MAM .. .................... 43 [ ' 1 1 *1 11 1 I I 1 1 1 I I I I I I I ■ ■ I 98 4.60 4.80 5.00 5.20 5.40 29 m/z 40.10 51.64% w~vNWWMWM( 38 . 50 | , 62 67 । । । iiii । > । i* I । । -1 —————— 77 1—4rt 1-89,, I ' 1 n/z-> 10 20 30 40 50 60 70 80 90 100 Abundance #32908: 2-Pentene, 3,4-dimethyl-, (E)- 55 83 i ■ ‘ ' i ' 1 1 ' i 1 ' 1 ■ i ■ ■ 1 1 i ■ 1 '
41 4.60 4.80 5.00 5.20 5.40 5000 m/z 39.20 30.34% 27 98 4 15 69 I 1 ' 1 ' 1 1 +30 .36, — J, . 50, 1 I. 63 | |, 77 , —91 i 1 1 Tl/Z“>
Abundance 10 20 50 60 70 80 90 100 40 #32912: 2-Pentene, 2,4-dimethyl- 83 p-T- 4.60 4.80 5.00 |L_LA 5.20 5.40 55 m/ z 98.10 29.87% 5000- 41 4 27 98 15 50 । | 62 j7 77 ...... 1...... 1132 I I | - I I I I | I I I I j I : , I • I I I ‘ 1111111 I I I ‘ I ■ 111 —91 1 1 । 1 1 1 ■ । 1 ' m/z-> 10 20 30 40 50 60 70 80 90 100 4.60 4.80 5.00 5.20 5.40
9973.D 050102.M Tue May 07 15:52:00 2002 Page 13
NYC-WTC_000044042
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_000044071
Laboratory report for sample AE09971 showing surrogate recovery and unknown compounds from May 9, 2002.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044526
Gas chromatography-mass spectrometry analysis report for sample AE06340, conducted May 3, 2002, identifying other unknown compounds.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045576
Laboratory report detailing GC/MS analysis of sample AE10603 including surrogate recovery data in May 2002.
Similarity score 0.997 (not a probability)
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.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044478
Reference analysis report for GCMS testing of volatile organic compounds with quantified concentrations recorded on May 3 2002.
Similarity score 0.996 (not a probability)
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.
Similarity score 0.996 (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