Tennessee One-Pager (State's Fuel Quality Regulation)
TN Dept of Agriculture Regulatory Services Division
  NCWM Region
  Primary Contact
Robert Williams
  Last Modified 11/17/2014  
(615) 837-5327
  Fuel Authority
Statutory (enacted legislation); Regulatory (state regulations)
  Statutory/Regulatory Citation
Kerosene and Motor Fuels Quality Inspection Act of 1989 T.C.A. 47-18-1301 et. seq.; Charged the TN Dept. of Agriculture with the responsibility of regulating heating oils and engine fuels conveyed in Tennessee. Regulations pursuant to the act adopted under TN Rules 0080-5-12. Law sets ASTM standards as the basis for enforcement. TCA 47-18-1304 (c) provides the Commissioner with authority to set alternative standards when in the best interest of the public.
  Fuels Currently Regulated
Diesel Fuel_yes; B100-Biodiesel_yes; Biodiesel-Blends_yes
  Fuel Specifications
B6-20_ASTM D7467; B1-B5_ASTM D975; B100_ASTM D6751; PetroDiesel_ASTM D975
  Other Specifications All biodiesel blends must meet the 10th percentile minimum ambient temperature values for low temperature operability published in ASTM D975 Appendix X.4, qualified by either D2500 (CP) or D4539 (LTFT). Biodiesel Conveyed at Public Retail Sale Points: Biodiesel conveyed at retail sale points that are available to the general consuming public shall not exceed 20% by volume. Biodiesel Blends - % Biodiesel: Determined by test method D7371. Biodiesel blends must be disclosed on PTD’s.  
  If no spec - plan to adopt  
  Process to Adopt Specifications
Administrative Rulemaking; Legislative Process
  ASTM-Rev Adopted
automatic - incorporation of "most-current" revision
  Proactive Tests
Routine Biodiesel Blends (Bxx); Biodiesel (B100); Petroleum Diesel – Samples collected 2-4 times per year at each location. Pull approx 8,200 samples of fuel products, including alternative fuels, per year.
  Reactive Test Circumstance
Consumer Complaint., Follow up inspections, and office requests.
  Fuel Test Performed
All D6751 tests. For D7467 B6-20 verification of all unique properties (as compared to diesel fuel) which are; Acid Number; Oxidation Stability and Biodiesel Content and yearly from Oct. 1 thru Mar. 31; Low Temperature Operability by D2500 and D4539.
  Where Sampled
Producer; Terminal / Blender; Retailer; Receipt of Interstate Fuel
  Where Tested
Stop-Sales, Civil Penalties up to $10,000, Notices of Violation
  How to Report 1-800 Octane1
  Dispenser Labeling Requirements are developed by the Department. Diesel fuel containing up to 5% biodiesel may be sold as Diesel and diesel containing more than 5% and up to 20% biodiesel may be sold as Bxx Biodiesel Blend, where xx is the percentage of biodiesel in the blend or includes the phrase “Biodiesel Blend between 5% and 20%” or similar words. Biodiesel and Biodiesel Blends must meet applicable ASTM specifications.
  Tank Labeling