AXIO | Proficiency Testing schemes 2026
Rounds per Year
Sample Code Matrix
Analytes
PT-WT-412
Potable water
Total aerobic count at 22°C; Total aerobic count at 37°C; Enumeration of Escherichia coli; Coliforms; Enterococci (faecal; streptococci) Enumeration of Clostridium perfringens ; sulphite-reducing; Clostridia; sulphite- reducing Clostridia spores ONLY; Pseudomonas aeruginosa ; Yeast; Mould (total); Yeast; Mould; Detection of sulphite- reducing Clostridia
10
10
PT-WT-413
Potable water
Total aerobic count; Enumeration of Pseudomonas species; Pseudomonas aeruginosa ; Yeast; Mould (total); Yeast; Mould 4
PT-WT-414
Process water
Effluent sludge Industrial water
Detection of Salmonella species
4
PT-WT-416 PT-WT-417
Enumeration of Legionella pneumophila by PCR or culture; (membrane filtration or direct count); Detection of Legionella pneumophila ; Identification of Legionella pneumophila 4
Enumeration of Legionella species by PCR or culture (membrane filtration or direct count); Detection of Legionella species; Identification of Legionella species
4
PT-WT-418
Environmental water
Enumeration of total coliforms; faecal coliforms; Escherichia coli ; Enterococci (faecal streptococci); Detection of Salmonella species 4
PT-WT-419
Bathing, recreational and surface water
2
PT-WT-420 Mineral water
Total aerobic count at 22°C; Total aerobic count at 37°C; Enumeration of Escherichia coli ; Enterococci (faecal streptococci); Pseudomonas aeruginosa Enumeration of coagulase positive staphylococci; Staphylococcus species; sulphite-reducing Clostridia; Clostridium perfringens ; Total aerobic count Enumeration of total coliforms; faecal coliforms; Escherichia coli ; Enterococci (faecal streptococci); Detection of Salmonella species
4
PT-WT-421
Bathing, recreational and surface water
2
PT-WT-422
Sea water
Potable Water Mineral water
Legionella ID
3
PT-WT-423 PT-WT-424
Detection of coagulase positive staphylococci; sulphite-reducing; Clostridia; sulphite-reducing Clostridia spores ONLY 2
Detection of Escherichia coli ; Coliforms; Enterococci (faecal; streptococci) Identification of unknown organism Colony count and calculation of number of microorganisms
2
PT-WT-425
Potable water
PT-WT-426 PT-WT-427 PT-WT-429 PT-WT-431
Water
1
Paper exercise
2
Dialysis water Drinking water
Total aerobic count @ 17-23˚C
1 1
Detection of Somatic coliphages; Optional quantification of Somatic coliphages
Effluent sludge
Enumeration of Escherichia coli ; Enterobacteriaceae Total viable count; Mycobacterium; Pseudomonas aeruginosa Detection of Salmonella species
1
PT-WT-432
Endoscope water
1
PT-WT-433
Water
2
PT-WT-434 PT-WT-435 PT-WT-436
Surface/Waste/Recreational water
Escherichia coli ; Enterococci; Pseudomonas 1
Wastewater
Coliphages
1
PRODUCT HIGHLIGHT PT-WT-412 - Potable Water Indicator Combination The most popular AXIO PT sample. Compare your lab results for Total aerobic count at 22˚C and 37˚C, Escherichia coli, coliforms and Enterococci with those from 200-400 participant labs around the world. 10 Rounds per Year
lgcstandards.com/AXIO 75
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