AXIO | Proficiency Testing schemes 2026
Quantity of Matrix
Rounds per Year
Sample Code Matrix
Analytes
PT-CN-18
Soil (prepared)
200g
Antimony; Arsenic; Barium; Cadmium; Calcium; Chromium; Copper; Iron; Lead; Magnesium; Mercury; Molybdenum; Nickel; Potassium; Selenium; Sodium; Tin; Zinc; Sulfate; Chloride; Fluoride; Nitrate; Boron; Chromium (VI); Phosphate; Ammonia; Free Cyanide; Total Cyanide; Thiocyanate; pH; Conductivity (20°C); COD; TOC/DOC; Phenol Index 3
PT-CN-19
Standard solution
2ml
1,2,3-trichlorobenzene; 1,2,4-trichlorobenzene; 2-Chlorotoluene; 1,2-Dichloroethane; 1,2-Dichloroethene; Dichloromethane; Hexachloro- 1,3-butadiene; 1,1,1,2-Tetrachloroethane; 1,1,1-Trichloroethane; Tetrachloromethane; Trichloroethene; Trichloromethane Six semi volatile organic compounds (SVOCs) - Qualitative
5
PT-CN-20
Standard solution & blank
2 x 10ml
5
PT-CN-21
WAC material
200g
Dry Matter Content Ratio; Antimony; Arsenic; Barium; Cadmium; Chromium; Copper; Lead; Mercury; Molybdenum; Nickel; Selenium; Zinc; Sulfate; Chloride; Fluoride; Phenol Index; DOC; Total Dissolved Solids. 5
PT-CN-23
Moist soil samples
2 x 50g soil 1ml standard solution
Volatile aliphatic hydrocarbons
3
PT-CN-24
Leachate (prepared)
1L
Antimony; Arsenic; Barium; Cadmium; Chromium; Copper; Lead; Mercury; Molybdenum; Nickel; Selenium; Zinc; Sulfate; Chloride; Fluoride; Phenol Index; DOC; Total Dissolved Solids Acetonitrile; Benzene; Bromobenzene; Bromochloromethane; Bromodichloromethane; Bromoform; Bromomethane; n-Butylbenzene; secButylbenzene; tert-Butylbenzene; Carbon disulfide; Carbon tetrachloride; Chlorobenzene; Chloroethane; Chloroform; Chloromethane; 2-Chlorotoluene; 4-Chlorotoluene; cis-1,2- Dichloroethylene;Dibromochloromethane; 1,2-Dibromo-3-chloropropane;1,2- Dibromoethane; Dibromomethane; 1,2-Dichlorobenzene; 1,3-Dichlorobenzene; 1,4-Dichlorobenzene; Dichlorodifluoromethane; 1,1-Dichloroethane;1,2- Dichloroethane; 1,1-Dichloroethylene; trans- 1,2-Dichloroethylene; 1,2- Dichloropropane; 1,3-Dichloropropane; 2,2-Dichloropropane; 1,1-Dichloropropylene; cis-1,3-Dichloropropylene; trans-1,3-Dichloropropylene; Ethylbenzene; Hexachlorobutadiene; Hexachloroethane; Isopropylbenzene; 4- Isopropyltoluene; Methylene chloride; Methyl t-butyl ether; m-Xylene; m&p-Xylene; Naphthalene; Nitrobenzene; n-Propylbenzene; o-Xylene; p-Xylene; Styrene; 1,1,1,2-Tetrachloroethane; 1,1,2,2-Tetrachloroethane; Tetrachloroethylene; Toluene; Total Xylenes; 1,2,3-Trichlorobenzene; 1,2,4-Trichlorobenzene; 1,1,1-Trichloroethane; 1,1,2-Trichloroethane; Trichloroethylene; Trichlorofluoromethane; 1,2,3-Trichloropropane Endrin; Dieldrin; Aldrin; p,p’-DDT; o,p-DDT; p,p’- DDE; p,p’-DDD; Alpha Hexachlorocyclohexane; Beta Hexachlorocyclohexane; Delta Hexachlorocyclohexane; Lindane (Gamma HCH); Trifluralin; Alpha Endosulphan; Beta Endosulphan; Hexachlorobenzene; Heptachlor; Heptachlor epoxide; Pentachlorobenzene
5
PT-CN-25
VOCs in Soil
1 x 1ml standard solution 1 x 30g soil sample
3
PT-CN-26
Standard solution & soil
1 x 1mL standard solution 1 x 30g soil sample
2
PT-CN-27
LOI FINES
1kg LOI material
Loss On Ignition at 440°C
2
PT-CN-28
Soil
1 x 500g soil
Soil texture
2
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.
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