Arizona Administrative Code
Title 3 - AGRICULTURE
Chapter 10 - DEPARTMENT OF AGRICULTURE - CITRUS FRUIT AND VEGETABLE DIVISION
Article 8 - PRODUCE SAFETY BIOLOGICAL SOIL AMENDMENTS OF ANIMAL ORIGIN AND HUMAN WASTE
Section R3-10-805 - Biological Soil Amendment of Animal Origin; Acceptable Treatment Processes; Microbial Standards

Universal Citation: AZ Admin Code R 3-10-805

Current through Register Vol. 30, No. 52, December 27, 2024

A. Each of the following treatment processes are acceptable for a biological soil amendment of animal origin that the farm applies in the growing of covered produce, provided that the resulting biological soil amendments are applied in accordance with the applicable requirements of Section R3-10-806:

1. A scientifically valid controlled physical process, chemical process, biological process, or a combination of scientifically valid controlled physical, chemical, or biological processes that has been validated to satisfy the microbial standard in subsection (B), for Listeria monocytogenes (L. monocytogenes), Salmonella species, and E. coli O157:H7; or

2. A scientifically valid controlled physical, chemical, or biological process, or a combination of scientifically valid controlled physical, chemical, or biological processes, that has been validated to satisfy the microbial standard in subsection (C), for salmonella species and fecal coliforms. Examples of scientifically valid controlled biological processes that meet the microbial standard in subsection (C), include both:

a. Static composting that maintains aerobic conditions at a minimum of 131° F (55° C) for three consecutive days and is followed by adequate curing; and

b. Turned composting that maintains aerobic conditions at a minimum of 131°F (55° C) for 15 days, which do not have to be consecutive, with a minimum of five turnings, and is followed by adequate curing.

B. The following microbial standards for L. monocytogenes, Salmonella species, and E. coli O157:H7 apply to the treatment processes in subsection (A):

For the microorganism	The microbial standard is
1. L. monocytogenes	Not detected using a method that can detect one colony forming unit (CFU) per 5 grams (or milliliter, if liquid is being sampled) analytical portion.
2. Salmonella species	Not detected using a method that can detect three most probable numbers (MPN) per 4 grams (or milliliter, if liquid is being sampled) of total solids.
3. E. coli O157:H7	Not detected using a method that can detect 0.3 MPN per 1 gram (or milliliter, if liquid is being sampled) analytical portion.

C. Salmonella species are not detected using a method that can detect three MPN Salmonella species per 4 grams (or milliliter, if liquid is being sampled) of total solids, and less than 1,000 MPN fecal coliforms per gram (or milliliter, if liquid is being sampled) of total solids.

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