Microbial Screens: Descriptions & Information
Microbial Screens rely on selective media and sets of confirmation tests to provide analytical results typically within 48-72 hours after sample reception. Some useful combinations are listed below. A client may choose an established screen or create a ‘unique’ screen by selecting a combination from the parameters listed below. For micro-organisms not listed, you are invited to discuss your requirements with one of our microbiologists.
Parameters
- 1.Clostridium spp includes: Total , C.perfringens, C.botulinum
- 2.Coliforms includes: Total, Fecal & Lactose Fermentors
- 3.E.coli confirmation from a Fecal Coliform positive test
- 4.E.coli
- 5.E.coli O157:H7 confirmation from a positive Coliform test
- 6.E.coli O157:H7
- 7.Enterococcus spp
- 8.Iron & Sulfur Bacteria
- 9.Listeria spp includes: Total, L.monocytogenes
- 10.Pseudomonas spp includes: Total, P.aeruginosa
- 11.Salmonella spp
- 12.Shigella spp
- 13.Staphylococcus spp includes: Total, S.aureus
- 14.Total Plate Count –heterotrophic
- 15.Total Plate Count –anaerobic
- 16.Vibrio spp includes: V.cholera, V.parahaemolyticus
- 17.Yeasts & Fungi
Example Combinations
DRINKING WATER A
- Lactose Fermentors, Total & Fecal Coliforms
- Yeast & Fungi, Total Plate Count-heterotrophic
DRINKING WATER B
- Lactose Fermentors, Total & Fecal Coliforms
- Iron & Sulfur Bacteria, Total Plate Count
WATER DISTRICT SCREEN
- Lactose Fermentors, Total & Fecal Coliforms
- Aeromonas spp, Y&F, Fe & S, Total Plate Count
BC FOOD SCREEN
- Lactose Fermentors, Total & Fecal Coliforms
- Enterococcus, Total Staphylococcus & S. aureus
- Yeast & Fungi, Total Plate Count
FOOD POISON SCREEN
- Lactose Fermentors, Total & Fecal Coliforms
- Enterococcus, Total Staphylococcus & S. aureus
- Yeast & Fungi, Total Plate Count
- Salmonella, Bacillus, Clostridium *
* other organisms are added (or substituted) depending on the symptoms presented.