AXIO | Proficiency Testing schemes 2026
Quantity of Matrix 1 x 10ml vial plus minimum 375g cocoa powder
Rounds per Year
Sample Code Matrix
Analytes
PT-MC-40
Skimmed milk
Detection of Salmonella in 325g
2
PT-MC-41
Ready meal
Vial + 10g Total aerobic mesophilic count; Enumeration of Coliforms; Coagulase positive Staphylococci; Yeast; Mould; Yeast and Mould; Enterobacteriaceaec; Escherichia coli 2
PT-MC-42 PT-MC-43
Skimmed milk powder Skimmed milk powder
Vial + 25g Detection of Cronobacter species (low level)
1 1
1 x 10ml vial plus minimum 375g cocoa powder Vial + min 100g sample
Detection of Cronobacter species in 375g
PT-MC-44
Ready-to-eat
Detection of Escherichia coli O157 (non-toxigenic strain); Listeria species; Listeria monocytogenes ; Salmonella species Identification of Listeria species
1
PT-MC-45
Fruit
Vial + 10g Enumeration of thermophilic acidophilic bacteria ( Alicyclobacillus spp); Detection of guaiacol producing thermophilic acidophilic bacteria
1
Detection of Salmonella Typhimurium and/or Salmonella Enteritidis (2 samples)
1
PT-MC-46EG Egg powder
2 x 25g
PT-MC-47
Skimmed milk powder
125g
Detection of Listeria species; Listeria monocytogenes in 125g
1
PT-MC-48
Infant formula powder
2 x Vial + 100g matrix
Detection of Salmonella species in 25g; Cronobacter species in 10g or 25g (2 samples) Total aerobic mesophilic count; Enumeration of Enterobacteriaceae; Coliforms; Coagulase positive staphylococci
1
PT-MC-50
Cheese
Vial + 10g matrix
1
PT-MC-51
Milk
5 x 10ml
Commercial sterility; Identification of microorganism
1
PT-MC-52
Gram-negative panel
3 x 10ml
Confirmation and /or Identification of Gram-negative organisms (including Salmonella ) to genus and/or species 1
PT-MC-53
Gram-positive panel
3 x 10ml
Confirmation and /or Identification of Gram-positive organisms (including Listeria) to genus and/or species
1
PT-MC-54
Mixed culture
10ml
Identification of organisms to genus and/or species
1
PT-MC-55
Nuts
Vial + 10g Total aerobic mesophilic count; Enumeration of coliforms; yeast; mould; yeast and mould 1
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