The biochemical pesticide plant extract derived from Opuntia lindheimeri, Quercus falcata, Rhus aromatica, and Rhizophoria mangle is exempted from the requirement of a tolerance in or on all raw agricultural commodities when applied as a nematicide/plant regulator in accordance with good agricultural practices.
Code of Federal Regulations
[62 FR 24842, May 7, 1997]