40 CFR § 180.1270 - Isophorone; exemption from the requirement of a tolerance.

Isophorone (CAS Reg. No. 78-59-1) is exempt from the requirement of a tolerance when used as an inert ingredient in pesticide formulations applied to beets, ginseng, rice, spinach, sugar beets, and Swiss chard.

[71 FR 45408, Aug. 9, 2006]