PSD Rules and Regulations

R3-4-231. Nut Pests

A. Definition. In addition to the definitions provided in A.R.S. § 3-201 and R3-4-102, the following term applies to this Section:
"Pest" means any of the following:
1. Pecan weevil, Curculio caryae (Horn);
2. Butternut curculio, Conotrachelus juglandis LeC;
3. Black walnut curculio, Conotrachelus retentus Say;
4. Hickory shuckworm, Laspeyresia caryana (Fitch).
B. Area under quarantine:
1. Pecan weevil: All states and districts of the United States except California and New Mexico.
2. Hickory shuckworm: The New Mexico counties of Lea, Eddy, and Dona Ana, and all other states and districts of the United States except California.
3. Black walnut curculio and butternut curculio: All states and districts of the United States except California.
C. Commodities covered:
1. Nuts of all species and varieties of hickory, pecan (Carya spp.), walnut and butternut (Juglans spp.), except extracted nut meats.
2. Any used appliance, used box or sack used during growing, harvesting, handling, transporting, or storing nuts and hulls.
D. Restrictions:
1. A commodity listed in subsection (C)(1), originating in or shipped from the area under quarantine, shall be admitted into Arizona if the commodity has been cleaned of husks, hulls, debris, and sticktights and each lot or shipment is accompanied by a certificate issued by the origin state department of agriculture affirming the commodity has been treated in accordance with subsection (E).
2. A commodity listed in subsection (C)(2) shall be admitted into Arizona if the commodity has been fumigated as prescribed in subsections (E)(3) and (E)(4).
E. Treatment:
1. Cold treatment: The commodities shall be held in a cold storage chamber at or below 0° F for at least seven consecutive days (168 hours). The treatment shall not start until the entire content of the lot of nuts has reached 0° F
2. A hot-water bath treatment at 140° F for a minimum of five continuous minutes. Water temperature shall be maintained at or above 140° F during the entire treatment period.
3. Methyl bromide fumigation at normal atmospheric pressure, with circulations maintained for 30 continuous minutes, as follows:
a. 2 lbs. per 1,000 cu. ft. for four hours at least 70° F, or
b. 3 lbs. per 1,000 cu. ft. for four hours at 60-69° F.
4. Appliances.
a. Steam-cleaned, inspected, and certified free from debris by the origin state,
b. Cold treatment in a cold storage chamber at or below 0° F for at least seven consecutive days (168 hours).