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\l\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 11 1,2-Propadiene Concentration Rank 16
R.T. EstConc Area Relative to ISTD R.T.
5.64 0.25 ug/L 178139 1,4-Dichlorobenzene-d4 9.94
Hit# Of 5 Tentative ID MW MolForm CAS# Qual
1 1,2-Propadiene 40 C3H4 000463-49-0 12 2 1-Propyne 40 C3H4 000074-99-7 12 3 2-Butyne-1,4-diol 86 C4H602 000110-65-6 9 4 2-Butenal 70 C4H6O 004170-30-3 9 Abundance Scan 435 (5,635 min): 9973.D (-431) (-) m/z 40.10 100.00% WMMMwyW—WA—MWWv 4043 49 71 59 5000 74 86
1 ' 1 1 1 । ■ 1 1 ' । 1 ■ ■ ■ । ■ 1 । 1 1 5.20 5.40 5.60 5.80 6.00 " r 1" i " '111 i " 11 r " ' i " ""i"' । ■11 r i11 ■' । ।1" ■ ।■11 1 ■ ir ■111 ‘ m/ z 43.10 90.13% m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #1401:1,2-Propadiene 40
5000 37 ....... L 5.20 5.40 5.60 5.80 6.00 m/z 49.00 87.72% 12 15.29.462932— "WVWMM/noloatwprin 11111 — I I I I [ I I I I | i | 1 i | । । 1 । | । । > i | i > । ' | 1 I I । | >i । I | > ' । i | । ' ' । | i r ' ' | i
/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #1402:1-Propyne 40 1’11 5.20 5.40 5.60 5.80 6.00 5000 m/ z 39.10 82.02%
37 13 2528 । । 1 । । r r । |"r I I I । । । । । j । । । i | I I । । । । । । । । I 1111 r 111111111" 111 " " r 1 " r 111 r 111 r " 11 i " " i' m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #108388: 2-Butyne-1,4-diol -PI 29 39 57 5.20 5.40 5.60 5.80 6.00 m/ z 41.10 79.82%
5000 68 26 51 43
TT i111 ‘ i 11 +3336 1147 460..65+ 717477 81 85...... 111 - > > 111 > ■ 1 ■11 r 11" ’ 1111111 ] i I I r [ r i i 1 । i । I i । i I II tel
m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 5.20 5.40 5.60 5.80 6.00
9973.D 050102.M Tue May 07 15:52:03 2002 Page 15
NYC-WTC_000044044
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_000044433
Gas chromatography-mass spectrometry blank analysis showing results below method detection limits for organic compounds.
Similarity score 0.990 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000043976
Laboratory report for sample AE09970 showing surrogate recovery and unknown compounds from May 9, 2002.
Similarity score 0.988 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000012881
Laboratory report presenting analytical results for target compounds and surrogate recovery data for water sample AE11902.
Similarity score 0.987 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000043893
Laboratory report for sample AE09771 showing surrogate recovery and unknown compounds from May 9, 2002.
Similarity score 0.987 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000043958
Laboratory report for sample AE09969 showing surrogate recovery and unknown compounds from May 9, 2002.
Similarity score 0.986 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000014351
Laboratory report showing GCMS blank analysis results for volatile organic compounds in sample AE12326 on June 3, 2002.
Similarity score 0.986 (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