Table 4.
Criteria for the interpretation of microbiology results
Satisfactory | Borderline | Unsatisfactory | Unsatisfactory: potentially injurious to health | |
---|---|---|---|---|
Bacterial pathogens | ||||
Campylobacter in 25 ga | Not detected | N/A | N/A | Detected |
CPS/ga | <20 | 20 to ⩽104 | N/A | ⩾104 |
E. coli O157, or any STEC in 25 g | Not detected | N/A | N/A | Detected |
L. monocytogenes/ga | <20 | 20 to ⩽100 | N/A | >100b |
Salmonella in 25 ga | Not detected | N/A | N/A | Detected |
Indicator organisms | ||||
ACCc | <2 × 104 | N/A | ⩾2 × 104 | N/A |
Enterobacteriaceae | <102 | 102 to ⩽104 | >104 | N/A |
E. coli/ga | <20 | 20 to ⩽100 | >100 | N/A |
Coliforms | <100 | N/A | ⩾100 | N/A |
Listeria species (not L. monocytogenes)/ga | <20 | 20 to <100 | ⩾100 | N/A |