For all purposes of Section 4 of Chapter 813, Oregon Laws 1977, petroleum suppliers and the Department of Energy shall use the following rates from the Bureau of Mines Publication for converting barrels of petroleum products into British thermal units of energy:
Type of Product -- Btu/Barrel:
Or. Admin. R. 330-050-0015
Stat. Auth.: ORS 469
Stats. Implemented: ORS 469.080