[Code of Federal Regulations] [Title 15, Volume 2] [Revised as of January 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 15CFR712.1] [Page 121-122] TITLE 15--COMMERCE AND FOREIGN TRADE CHAPTER VII--BUREAU OF INDUSTRY AND SECURITY, DEPARTMENT OF COMMERCE PART 712_ACTIVITIES INVOLVING SCHEDULE 1 CHEMICALS--Table of Contents Sec. 712.1 Round to zero rule that applies to activities involving Schedule 1 chemicals. (a) See Sec. 711.6 of this subchapter for information on obtaining the forms you will need to declare and report activities involving Schedule 1 chemicals. (b) Facilities that produce, export or import mixtures containing less than 0.5% aggregate quantities of Schedule 1 chemicals as unavoidable by-products or impurities may round to zero and are not subject to the provisions of this [[Page 122]] part 712. Schedule 1 content may be calculated by volume or weight, whichever yields the lesser percent. Note that such mixtures may be subject to regulatory requirements of other federal agencies.