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Petroleum Substances & Categories
The petroleum substances sponsored in the HPV Challenge Program are organized and evaluated according to product categories. The categories are typically organized around properties and refinery processes such as similar boiling ranges, similar process history, or similar end-uses.
 
Gas Oils

The Gas Oils Category includes 28 substances comprised of 4 finished products (distillate fuels) and 25 refinery streams with similar carbon ranges. Gas oil streams are produced either by atmospheric distillation or by secondary processing of the materials derived from the vacuum distillation of the residuum from the atmospheric distillation of crude oil. Materials from this secondary processing may have higher aromatic and olefin contents than straight run gas oils. The distillate fuels may be straight run or a blend of various gas oil streams (both straight run and streams from secondary processing). In comparison to gas oil refinery streams that do not have product specifications, no. 2 diesel fuel and fuel oil must meet stringent American Society  for Testing Materials (ASTM) and the United States Environmental Protection Agency (EPA) specifications for commercialization. The boiling point specifications for these fuels essentially limit the aromatics to 1, 2 and 3-ring compounds with minimal 4-ring or higher polycyclic aromatic compounds (PAC). Physical properties, process history and product use specifications rather than composition define gas oils streams and provide the rationale for the composition of this category.

To meet the HPV Challenge, the Testing Group has thoroughly evaluated the substances within the Gas Oils category and has made all of the reliable human health and ecological hazard data available to the public. Key parameters when analyzing this category for environmental hazards are the distribution of aromatic and saturated hydrocarbons, and for some mammalian endpoints (repeated-dose, developmental, reproduction, and mutagenicity) the content and distribution of polycyclic aromatic compounds (PACs) are important.

 
Documents
  • The Category Assessment Document (CAD) for Gas Oils submitted to EPA by API which includes the final chemical hazard characterization and considers any new testing and analysis carried out for substances within the category.
  • The Robust Summary for Gas Oils submitted to EPA by the American Petroleum Institute (API) which summarizes the available reliable data on physic-chemical properties, environmental fate and transport pathways, ecotoxicity, and human health toxicity.
 
HPV Gas Oil Studies
 
10/17/2011 Analytical Validation and Stability Study of Distillates (Petroleum), Light Catalytic Cracked in Mineral Oil Formulations
12/19/2011 Ready Biodegradability: OECD 301F Manometric Respirometry Test (Light Catatlytically Cracked Gas Oil)
12/19/2011 Ready Biodegradability: OECD 301F Manometric Respirometry Test (Hydrocracked Gas Oil)
12/22/2011 Fish Acute Toxicity Test on Water Accommodated Fractions of a Light Hydrocracked Gas Oil
12/22/2011 Alga, Growth inhibition test on water accommodated fractions of a light hydrocracked gas oil
12/22/2011 Alga, Growth inhibition test on water accommodated fractions of a light catalytic gas oil
12/23/2011 Acute Immobilisation Test on Water-Accommodated Fractions of a Light Catalytic Cracked Gas Oil
1/12/2012 Analytical Validation and Stability Study of Ultra-Low Sulfur Diesel in Mineral Oil Formulations
3/28/2012 Daphnia magna, Reproduction Test on Water Accommodated Fractions of a Light Hydrocracked Gas Oil
3/28/2012 Reproduction Test on Water-Accommodated Fractions of a Light Catalytic Cracked Gas Oil
7/11/2012 A Dermal Prenatal Developmental Toxicity Study of Ultralow Sulfur Diesel Fuel in Rats
7/12/2012 A Dermal Prenatal Developmental Toxicity Study of Distillates (Petroleum), Light Catalytic Cracked in Rats
8/8/2012 A 90-day Repeat-Dose Dermal Toxicity Study Utilizing Distillates (Petroleum), Light Catalytic Cracked in Sprague Dawley Rats
8/9/2012 A 90-day Repeat-Dose Dermal Toxicity Study Utilizing Ultra-Low Sulfur Diesel Fuel in Sprague Dawley Rats
1/18/2013 A 14-Day Dose Range Finding Dermal Toxicity Study Utilizing Petroleum Products, Diesel Oil (Ultra Low Sulfur Diesel Fuel) in Rats
1/30/2013 A 14-Day Dose Range Finding Dermal Toxicity Study Utilizing Distillates (Petroleum), Light Catalytic Cracked in Sprague Dawley Rats
10/31/2013 Characterization of the Noncancer Hazards of Gas Oils
11/3/2013 Light Catalytic Cracked Gas Oil Product Composition
11/3/2013 Light Hydrocracked Gas Oil Product Composition
2/4/2014 Aquatic hazard and biodegradability of light and middle atmospheric distillate petroleum streams
3/26/2014 Gas Oils Analytical Data
4/5/2014 Aquatic hazard and biodegradability of light and middle atmospheric distillate petroleum streams
 
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