[Code of Federal Regulations] [Title 40, Volume 22] [Revised as of July 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR180.1139] [Page 567] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 180_TOLERANCES AND EXEMPTIONS FROM TOLERANCES FOR PESTICIDE CHEMICALS IN FOOD--Table of Contents Subpart D_Exemptions From Tolerances Sec. 180.1139 Sodium 5-nitroguaiacolate; exemption from the requirement of a tolerance. The biochemical sodium 5-nitroguiacolate is exempted from the requirement of a tolerance when used as a plant growth regulator in end- use products at a concentration of 0.1% by weight and applied at an application rate of 20 g of a.i. per acre or less per application, in or on all food commodities. [65 FR 66181, Nov. 3, 2000]