LGC AXIO Proficiency Testing Schemes 2027
Quantity of Matrix
Sample Code Matrix
Analytes
PT-MC-23
Skimmed milk powder (23D) Oatmeal (23F)
10g
Identification of yeast and mould to genus and/or species level
PT-MC-23D PT-MC-23F PT-MC-24D PT-MC-24F PT-MC-24HB PT-MC-24SP PT-MC-25D PT-MC-25F PT-MC-26D
Skimmed milk powder
10g 10g 10g 10g
Enumeration of Yeast; Mould; Yeast and Mould (ISO 21527-1) Enumeration of Yeast; Mould; Yeast and Mould (ISO 21527-1)
Oatmeal
Skimmed milk powder
Enumeration of lactic acid bacteria Enumeration of lactic acid bacteria
Oatmeal
Herb Spice
Vial + 10g Enumeration of lactic acid bacteria Vial + 10g Enumeration of lactic acid bacteria
Skimmed milk powder
10g 10g 10g
Enumeration of aerobic psychrotrophic organisms Enumeration of aerobic psychrotrophic organisms Enumeration of Pseudomonas species; Detection of Pseudomonas species Enumeration of Pseudomonas species; Detection of Pseudomonas species Enumeration of Bifidobacterium species; Lactobacillus species; Combined Enumeration of Lactobacillus species and Bifidobacterium species
Oatmeal
Skimmed milk powder
PT-MC-26F
Oatmeal
10g
PT-MC-27
Lyophilised test material
Vial
PT-MC-29
Tea
Vial + 10g Total aerobic mesophilic count; Enumeration of Coliforms; Coagulase positive staphylococci; Yeast; Mould; Yeast and Mould
PT-MC-32 PT-MC-33 PT-MC-34 PT-MC-35 PT-MC-36
Lyophilised test material Freeze-dried material Freeze-dried material
Vial Vial Vial
Enumeration of Campylobacter species
Identification of unknown organism (non pathogen)
Identification of Salmonella species
Photograph and a scenario –
Colony count and calculation of number of microorganisms Quantitative Package (2 samples) Total aerobic mesophilic count; Enumeration of total coliforms; Enterobacteriaceae; Escherichia coli ; Bacillus cereus ; Coagulase positive staphylococci; Yeast; Mould; Yeast and mould Detection of coagulase positive staphylococci Quantitative Package (2 samples) Total aerobic mesophilic count; Enumeration of total coliforms; Enterobacteriaceae; Escherichia coli ; Bacillus cereus ; Coagulase positive staphylococci; Yeast; Mould; Yeast and mould Detection of coagulase positive staphylococci Quantitative Package (2 samples) Total aerobic mesophilic count; Enumeration of total coliforms; Enterobacteriaceae; Escherichia coli ; Bacillus cereus ; Coagulase positive staphylococci; Yeast; Mould; Yeast and mould Detection of coagulase positive staphylococci Qualitative Package (2 samples) Detection of Escherichia coli O157 (non-toxigenic strain); Listeria species; Listeria monocytogenes ; Salmonella species; Identification of Listeria species
Skimmed milk powder
2 x Vial + min 20g sample
PT-MC-36HB
Herb
2 x Vial + min 20g sample
PT-MC-36SP
Spice
2 x Vial + min 20g sample
PT-MC-37
Skimmed milk powder
2 x Vial + min 200g sample
PT-MC-38
Skimmed milk
Vial + min 20g sample
Detection of Clostridium perfringens ; Coagulase positive staphylococci
PT-MC-39D PT-MC-40
Skimmed milk Skimmed milk
10g
Bacterial level by Bactoscan; Bacterial level by colony count
1 x 10ml vial plus minimum 375g cocoa powder
Detection of Salmonella in 325g
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
PT-MC-42
Skimmed milk powder
2 x vial plus 25g matrix
Detection of Cronobacter species (low level)
The full range and availability of test materials and analytes is determined on an annual basis and may be added or removed. For accredited and non-accredited status, plus the most up to date sample data, please see the current application form/scheme description for this scheme.
24 lgcstandards.com/AXIO-PT
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