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Water:  

Test for

Test method

Medium

 

 

 

Total Count:  Viable microorganism per mL. CFU/mL

 

Heterotropic Plate Count. 9215 B. Standard Methods for the Examination of Water and Wastewater, 17 th. Ed. 1989

Plate count Agar (PCA). 22°C/72 hr. and 37°C/72 hr.

 

 

Coliforms

 

Standard Total Coliform Multiple-Tube, MPN, 9221 B. Standard Methods for the Examination of Water and Wastewater, 17 th. Ed. 1989

 

Presumtive phase: Lactose Broth at 35°C. Confirmed phase: Brilliant Green Bile Lactose Broth at 35°C

 

Fecal Coliforms

 

Fecal Coliform Test, MPN. Standard Methods for the Examination of Water and Wastewater, 17 th. Ed. 1989. 9221 C

 

Presumtive phase: Lactose Broth at 35°C. Confirmed phase  EC Broth 44,5°C

 

 

 

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 Seafood

 

Test  method:

Medium

 

 

 

 

 

Total count: Viable microorganism per gr.  22°C, 30°C

 

Aerobic microorganism. Determination in foods.  3rd  Ed. NMKL nr. 86. 1999

Plate Count Agar (PCA). 72 hr.

 

 

Coliforms.

Compendium of Methods for the Microbiological Examination of Foods, 2nd Ed., 1984, APHA; 25.5

 

Presumtive phase: LST at 35°C. MPN. Confirmed phase: BGBB at 35°C, MPN

 

Fecal Coliforms

 

Compendium of Methods for the Microbiological Examination of Foods, 2nd Ed., 1984, APHA; 25.5

Presumtive phase: LST at 35°C, MPN.   Confirmed phase: EC Broth at 44,5°C, MPN

 

 

 

 

 

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 Other common test include hygiene tests according to: Total number of microbes. Determination with the swab method or contact plate method on utensils in contact with food. 4th. ed. NMKL nr. 4. 1987. 

 We get the following microbiological analyses, as needed of our clients, at the MATÍS laboratory (formerly Icelandic Fisheries Laboratories in Reykjavík (www.matis.is).  

 - Staphylococcus aureus (coagulase pos.)

 - Listeria (pos./neg.)

 - Escherichia coli

 - Enterobacteriaceae