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AIA_NOV2015_ Arson and petroleum forensics

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Chemistry Matters Inc.
Chemistry Matters Inc.

Introduction to talk to be presented on Nov 17, 2015. The introduction shows the multiple compounds that are present in crude oil and refined products which can be used to determine sources of releases and identify products used in arson cases. Such compounds include polycyclic aromatic hydrocarbons, alkylated benzenes, and petroleum biomarkers.

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©  2015     Chemistry  Ma2ers  Inc. 1  Alberta  Ins-tute  of  Agrologists  -­‐  Grande  Prairie  Local  Chapter Making  environmental  data  meaningful   Arsonous  Wildfire  and  Petroleum   Forensics  Case  Studies  -­‐  Principles  and   Case  Studies.   Court  Sandau,  PhD,  PChem   Nov.  17,  2015  –  Grande  Prairie,  Alberta  
©  2015     Chemistry  Ma2ers  Inc. Compounds  in  Petroleum  Hydrocarbon   Mixtures   2  Alberta  Ins-tute  of  Agrologists  -­‐  Grande  Prairie  Local  Chapter
©  2015     Chemistry  Ma2ers  Inc. How many compounds are in…. •  The   atmospheric   aerosol   from   a   coniferous   forest?     •  The  vola-le  frac-on  of  roasted  coffee  beans?   •  CigareCe  smoke?     •  Crude  oil?     •  50  compounds  (Kallio,  2006)     •  1,000  compounds  (Mondello,  2004)     •  6,000  compounds  (van  Mispelaar,  2005)     •  7,500-­‐10,000  compounds  (Dalluge,  2002)   •  17,000+     Complexity of PHCs 33Alberta  Ins-tute  of  Agrologists  -­‐  Grande  Prairie  Local  Chapter
©  2015     Chemistry  Ma2ers  Inc. Normal PHC Measurements? (Compounds with guidelines) •  Benzene,  toluene,  ethyl-­‐benzene,  xylenes   •  Petroleum   hydrocarbon   frac-ons   F1,   F2,   F3,   and  F4   •  Polycyclic  aroma-c  hydrocarbons  (PAHs)     4Alberta  Ins-tute  of  Agrologists  -­‐  Grande  Prairie  Local  Chapter
©  2015     Chemistry  Ma2ers  Inc. Complexity? Conventional GC Analysis Unresolved Complex Matter Nelson et al. Environmental Forensics, 7:33–44, 2006 5Alberta  Ins-tute  of  Agrologists  -­‐  Grande  Prairie  Local  Chapter Straight chained alkanes PAHs Biomarkers The rest 5
©  2015     Chemistry  Ma2ers  Inc. Specific Petroleum Biomarkers •  Adamantanes •  Sesquiterpanes •  Diamantanes •  Steranes •  Hopanes Gasoline/Heavy Naphtha Kerosene/Jet A /Diesel 1 Diesel 2 / Fuel 2 Bunker C Lube Oil Alberta Institute of Agrologists - Grande Prairie Local Chapter 6
©  2015     Chemistry  Ma2ers  Inc. Two-Dimensional Gas Chromatography Nelson et al. Environmental Forensics, 7:33–44, 2006 7Alberta  Ins-tute  of  Agrologists  -­‐  Grande  Prairie  Local  Chapter 7
©  2015     Chemistry  Ma2ers  Inc. Middle East Crude Oil Investigation Alkyl  Phenanthrenes/Anthracenes Alkyl  Naphthalenes Alkyl  Benzenes Alkanes 8Alberta  Ins-tute  of  Agrologists  -­‐  Grande  Prairie  Local  Chapter 8
©  2015     Chemistry  Ma2ers  Inc. Local Supply of Shell Diesel 9Alberta  Ins-tute  of  Agrologists  -­‐  Grande  Prairie  Local  Chapter 9
©  2015     Chemistry  Ma2ers  Inc. Comparison of Gasolines Esso Shell 10© 2015 Chemistry Matters Inc. Alberta  Ins-tute  of  Agrologists  -­‐  Grande  Prairie  Local  Chapter 10©  2015     Chemistry  Ma2ers  Inc.

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  • 1. ©  2015     Chemistry  Ma2ers  Inc. 1  Alberta  Ins-tute  of  Agrologists  -­‐  Grande  Prairie  Local  Chapter Making  environmental  data  meaningful   Arsonous  Wildfire  and  Petroleum   Forensics  Case  Studies  -­‐  Principles  and   Case  Studies.   Court  Sandau,  PhD,  PChem   Nov.  17,  2015  –  Grande  Prairie,  Alberta  
  • 2. ©  2015     Chemistry  Ma2ers  Inc. Compounds  in  Petroleum  Hydrocarbon   Mixtures   2  Alberta  Ins-tute  of  Agrologists  -­‐  Grande  Prairie  Local  Chapter
  • 3. ©  2015     Chemistry  Ma2ers  Inc. How many compounds are in…. •  The   atmospheric   aerosol   from   a   coniferous   forest?     •  The  vola-le  frac-on  of  roasted  coffee  beans?   •  CigareCe  smoke?     •  Crude  oil?     •  50  compounds  (Kallio,  2006)     •  1,000  compounds  (Mondello,  2004)     •  6,000  compounds  (van  Mispelaar,  2005)     •  7,500-­‐10,000  compounds  (Dalluge,  2002)   •  17,000+     Complexity of PHCs 33Alberta  Ins-tute  of  Agrologists  -­‐  Grande  Prairie  Local  Chapter
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  • 5. ©  2015     Chemistry  Ma2ers  Inc. Complexity? Conventional GC Analysis Unresolved Complex Matter Nelson et al. Environmental Forensics, 7:33–44, 2006 5Alberta  Ins-tute  of  Agrologists  -­‐  Grande  Prairie  Local  Chapter Straight chained alkanes PAHs Biomarkers The rest 5
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  • 7. ©  2015     Chemistry  Ma2ers  Inc. Two-Dimensional Gas Chromatography Nelson et al. Environmental Forensics, 7:33–44, 2006 7Alberta  Ins-tute  of  Agrologists  -­‐  Grande  Prairie  Local  Chapter 7
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  • 10. ©  2015     Chemistry  Ma2ers  Inc. Comparison of Gasolines Esso Shell 10© 2015 Chemistry Matters Inc. Alberta  Ins-tute  of  Agrologists  -­‐  Grande  Prairie  Local  Chapter 10©  2015     Chemistry  Ma2ers  Inc.