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\l\METHQDS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 7 Methyl erythro-4-chloro-2,3... Concentration Rank 6
R.T. EstConc Area Relative to ISTD R.T.
34.96 0.21 ug/L 79330 Perylene-dl2 34.71
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 Methyl erythro-4-chloro-2,3-dibr... 292 C5H7Br2C102 1000143-25-7 8 2 Cyclopropane, 1,l-dibromo-2,2-bi... 294 C5H6Br2C12 098577-44-79 3 2-Carboxyacetamide, N-(chloromet... 207 C7H10C1NO4 1000159-83/7 3 4 Acetamide, 2-chloro-N-(2-cyanoet... 146 C5H7C1N2O 017756-81-9 2 Abundance Scan 5426 (34.960 min): 0429LB.D (-5424) (-) m/z 40.10 1/00.00% 40
5000
208 fir I 129 263 34.60 34.80 35.00 35.20 | ............................. ‘777 1 1 1 1 1 i 1 I,............................ 212 -4H— 1 ■ i '' ' • । 1 ■' ' । 1 1 1 ' । 1 ‘ ' ■ i ■ 1 ' 1 i 1 1 ' 1 i ' m/z 208.00 20.72% m/z-> 20 40 60 80 100 120 140 160 180 200 220 240 260 Abundance #1305: Methyl erythro-4-chloro-2,3-dibromo-butyrate 39 59 103 133 215 75 5000 M• i 34.60 34.80 35.00 35.20 121 m/z 49.10 19.96% 155 I— 1 1 11,1 1.8177, ||____ 235 1 ।1 ■ 1 1 I ' 1 ‘ ' I ' 1 "li 1 1 1 ’ ' ' I I 1 1 1 1 1 I 7 1 | r 7' r t ' J” । I r । । । । । । | ' T m/z-> 20 40 60 80 100 120 140 160 180 200 220 240 260 Abundance #1394: Cyclopropane, 1,1-dibromo-2,2-bis(chloromethyl)- 39 247 Tl 11 rI 1 1 51 135 34.60 34.80 35.00 35.20 5000 75 99 m/z 129.50 12.61%
26 63 186 ______________ _________ 87 155 168 217 । 119 ip. n... — il + II, |||| 203,1 235 , 1 262 11/1/1/11,171 r i I I । r । । । 1 1 i 1
m/z-> 20 40 60 80 100 120 140 160 180 200 220 240 260 Abundance #580: 2-Carboxyacetamide, N-(chloromethylcarbonyl)-, ethyl... ‘I'1 ‘‘I 'Th I | r 1 । I | । i r i । i 29 34.60 34.80 35.00 35.20 115 m/z 44.10 10.86%
5000 42 MMWMWBytlhmMrwN 94 158 135 , 172 207 TT4 + I' J1, । "|', 1 4 ,4 I '| ।, —+ I । 1"ll, । । । —l—H 1 । 1 1 1 । 1 1 1 ' । ’ 1 1 r । 1 TT Ti" m/z-> 20 40 60 80 100 120 140 160 180 200 220 240 260 34.60 34.80 35.00 35.20
0429LB.D 050102.M Thu May 02 14:53:47 2002 Page 10
NYC-WTC_000044445
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_000044994
Laboratory report showing gas chromatography-mass spectrometry results for unidentified organic compounds in sample AE10204 on May 10, 2002.
Similarity score 0.984 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013224
GCMS laboratory report for sample AE09679 detecting unknown compounds and 2,4-DDD on May 23, 2002.
Similarity score 0.984 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013049
Laboratory report showing blank sample analysis for volatile organic compounds using gas chromatography-mass spectrometry on May 22, 2002.
Similarity score 0.982 (not a probability)
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.
Similarity score 0.981 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044926
Laboratory report showing gas chromatography-mass spectrometry results for unidentified organic compounds in sample AE10199 on May 10, 2002.
Similarity score 0.981 (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 0.981 (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