View all text of Subpart F [§ 112.51 - § 112.60]
§ 112.55 - What microbial standards apply to the treatment processes in § 112.54?
The following microbial standards apply to the treatment processes in § 112.54 as set forth in that section.
(a) For L. monocytogenes, Salmonella species, and E. coli O157:H7, the relevant standards in the table in this paragraph (a); or
For the microorganism— | The microbial standard is— | (1) | Not detected using a method that can detect one colony forming unit (CFU) per 5 gram (or milliliter, if liquid is being sampled) analytical portion. | (2) | 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) | Not detected using a method that can detect 0.3 MPN per 1 gram (or milliliter, if liquid is being sampled) analytical portion. |
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(b) 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.