Division 2 Pathogens in a microbial plant biostimulant must not exceed the limits set out in the following table:
United Kingdom
| Micro-organisms/their toxins, metabolites | Sampling plans | Limit | |
|---|---|---|---|
| n | c | ||
| Salmonella spp. | 5 | 0 | Absence in 25 g or 25 ml |
| Escherichia coli | 5 | 0 | Absence in 1 g or 1 ml |
| Listeria monocytogenes | 5 | 0 | Absence in 25 g or 25 ml |
| Vibrio spp. | 5 | 0 | Absence in 25 g or 25 ml |
| Shigella spp. | 5 | 0 | Absence in 25 g or 25 ml |
| Staphylococcus aureus | 5 | 0 | Absence in 25 g or 25 ml |
| Enterococcaceae | 5 | 2 | 10 CFU/g |
| Anaerobic plate count unless the microbial plant biostimulant is an aerobic bacterium | 5 | 2 | 105 CFU/g or ml |
| Yeast and mould count unless the microbial plant biostimulant is a fungus | 5 | 2 | 1 000 CFU/g or ml |
Where:
n c
number of units comprising the sample,
number of sample units giving values over the defined limit.