| Presumptive Organism | Frequency | Gram Staining | IMViC | Catalase | Oxidase | KIA | ||||||
| Indole | MR | VP | Citrate | Slant | Butt | H2S | Gas | |||||
| Klebsiella sp. | 3 | − | − | + | − | − | + | + | Red | Yellow | − | − |
| Proteus sp. | 3 | − | − | + | + | + | − | + | Red | Red | − | − |
| Paenibacillus sp. | 6 | + | − | + | − | − | − | + | Red | Yellow | − | − |
| Enterobacter sp. | 5 | − | − | − | + | − | − | + | Red | Yellow | − | − |
| Pseudomonas sp. | 11 | − | − | − | − | + | + | + | Red | Yellow | + | − |
| Burkholderia sp. | 7 | − | − | − | − | + | − | + | Red | Yellow | + | − |
| Salmonella sp. | 3 | − | − | + | − | + | − | + | Red | Yellow | + | − |
| Bacillus sp. | 5 | − | − | − | + | + | − | + | Red | Yellow | + | − |
| Alcaligenes sp. | 8 | − | − | − | − | − | + | + | Red | Red | − | − |