[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: 40CFR180.1066] [Page 558] 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. 180.1066 O-O-Diethyl-O-phenylphosphorothioate; exemption from the requirement of a tolerance. O-O-Diethyl-O-phen yl phos pho rothioate, applied at a maximum of 1 pound per acre, is exempted from the requirement of a tolerance when use as an inert ingredient herbicide extender in formulations containing S- ethyl di pro pyl thio car ba mate, S-ethyl hex a hydro-H-azepine-l-car bo thioate, S- ethyl cy clo hex yl ethyl thio car ba mate, S-propyl di pro pyl thio car ba mate, S-ethyl di iso bu tyl thio car ba mate and S- propyl bu tyl ethyl thio car ba mate applied, in accordance with good agricultural practices, to crops prior to harvest, at a maximum rate of 1 pound O,O-diethyl-O-phenylphosphorothioate per acre. [48 FR 6896, Feb. 16, 1983, as amended at 55 FR 26440, June 28, 1990]