Laboratory report of a GCMS blank run conducted on May 14, 2002, showing non-detect results for various compounds.
NYC-WTC_000022965–000022989Folder label: “GCMS X 5/8/02 A 5/9/02”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document LLOLdry bedrcn compound Keporc
Data File C:\MSDCHEM\1\DATA\050 9 02\05 0 8LB.D Vial: 4 Acq On 9 May 2002 5:43 pm Operator: Mclean Sample 5/8 kb 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 12 Trisiloxane, 1,1,1,5,5,5-he... Concentration Rank 7 R.T. EstConc Area Relative to ISTD R.T. 34.37 0.89 ug/L 573160 Perylene-dl2 34.70 Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 Trisiloxane, 1,1,1,5,5,5-hexamet... 384 C12H3604Si5 003555-47-3 38 2 Trisiloxane, 1,1,1,5,5,5-hexamet... 384 C12H3604Si5 003555-47-3 38 3 Mercaptoacetic acid, bis(trimeth... 236 C8H20O2SSi2 006398-62-5 37 4 1,2-Benzenedicarboxylic acid, bi... 310 C14H2204Si2 002078-22-0 35 Abundance Scan 5325 (34.367 min): 0508LB.D (-5316) (-) m/z 73.10 100.00% 73 147 221 ft 5000 281 355 - 429
m/z-> 0— 0 -LL 50 100 150 191 | 200 250 300 1,327, 1 , . 401 , 1 . 350 400 34 00 34,20 34.40 34.60 34.80 m/z 147.10 74.93% Abundance #115144: Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trim... 73 147
5000 113 1 i ■ ' ' ■ i ■
281 34.00 34.20 34.40 34.60 34.80 45 m/Z 221.10 66.34%
O—T I, ' i 1 117 207 249 t I ll
/z-> 0 50 100 150 200 250 300 Abundance #26961: Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trime... 73 147 ---------- 281 34.00 34.20 34,40 34.60 34.80 5000 m/z 281.10 35.56%
369 O-T 45 | . ■ i 1 95 117 1—— 1"9 .177.27..249, . 310 341 .. n/z-> 0 50 100 150 200 250 300 350 400 Abundance #26922: Mercaptoacetic acid, bis(trimethylsilyl)- AAAA,AAAA,AAMMALMA,AADMAAM 73 34.00 34.20 34.40 34.60 34.80 147 m/z 355.10 28.28%| 5000 221 45 0 1, 13 . 1 11 104 1 1 ' 1 1 ’ 1 ‘i + r' " , i 169193 , | , - m/z-> 0 50 100 150 200 250 300 350 400 34.00 34.20 34.40 34.60 34.80
0508LB.D 050102.M Tue May 14 10:15:00 2002 Page 15
NYC-WTC_000022983
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_000024041
Laboratory report showing non-detectable levels of nitrosamines and other contaminants in blank sample AE10895.
1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025216
Laboratory report showing GCMS blank analysis for sample AE11410 conducted on May 22, 2002.
1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023409
Laboratory report showing non-detect results for volatile organic compounds in a method blank sample AE10137 analyzed on May 14, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023925
Laboratory report showing GC/MS analysis of sample AE10982 with surrogate recovery data for 2,4-DDD.
1 shared topics · Same agency, volume and box · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023991
Laboratory report showing GC/MS analysis of sample AE10984 with surrogate recovery data for 2,4-DDD.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025102
Laboratory report showing GCMS analysis results for sample AE11381 conducted on May 22, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023949
Laboratory report showing GC/MS analysis of sample AE10983 with surrogate recovery data for 2,4-DDD.
1 shared topics · Same agency, volume and box · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045936
Gas chromatography-mass spectrometry blank analysis conducted May 17, 2002 testing for semivolatile organic compounds with all results below method reporting limits.
1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044559
Laboratory report showing blank test results for various organic compounds on May 7, 2002.
1 shared non-person entities · 1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013883
Fragmented document header from DEP Box 15 archive containing metadata for environmental testing records dated late May 2002.
1 shared topics · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000046006
Gas chromatography-mass spectrometry report for sample AE10810 showing detection of unknown compounds and surrogate recovery.
1 shared non-person entities · 1 shared topics · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044381
Gas chromatography-mass spectrometry blank analysis showing results below method detection limits for organic compounds.
1 shared topics · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
Page similarity is temporarily unavailable or this page has no indexed vector.
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_000022961
Department of Environmental Protection administrative record sheet for World Trade Center site activities dated May 2002.
Filed in the same folder
NYC-WTC_000022962
Fragmentary record containing a document identifier and date from the DEP GCMS analysis series.
Filed in the same folder
NYC-WTC_000022990
Laboratory report documenting GCMS calibration verification analysis conducted on May 14, 2002.
Filed in the same folder
NYC-WTC_000022994
Laboratory report of GCMS reference standard analysis conducted on May 14, 2002, showing recovery percentages.
Filed in the same folder
NYC-WTC_000023002
Fragmentary record containing a document identifier and date from the DEP GCMS analysis series.
Filed in the same folder