LGC AXIO Proficiency Testing Schemes 2027
Potable (treated) water Sample Code Matrix
Analytes
PT-AQ-03B Free Chlorine PT-AQ-03C Total Chlorine PT-AQ-1HP Major Inorganic Components (Hard) PT-AQ-1SP Major Inorganic Components (Soft) PT-AQ-2HP Nutrients and Others (Hard) PT-AQ-2SP Nutrients and Others (Soft)
Spiked ultra pure water Spiked ultra pure water Hard, potable (treated) water
Free Chlorine (at typical potable levels - see AQUACHECK scheme description for further details) Total Chlorine(at typical potable levels - see AQUACHECK scheme description for further details) Calcium; Magnesium; Total Hardness; Alkalinity; Potassium; Sodium; Chloride; Sulfate; Fluoride; Conductivity (20°C); Kjeldahl Nitrogen; Total Phosphorus; Barium
Soft, potable (treated) water
Calcium; Magnesium; Total Hardness; Alkalinity; Potassium; Sodium; Chloride; Sulfate; Fluoride; Conductivity (20°C); Kjeldahl Nitrogen; Total Phosphorus; Barium
Hard, potable (treated) water
Total Oxidised Nitrogen (TON); Silicate; Nitrite; Ammonia; Soluble Reactive Phosphorus (PO4); pH at 20-25°C; Conductivity (20°C); Colour; Colour ISO 7887-C; Permanganate Index (PI); Total Cyanide; Free Cyanide; Nitrate; Total Dissolved Solids Total Oxidised Nitrogen (TON); Silicate; Nitrite; Ammonia; Soluble Reactive Phosphorus (PO4); pH at 20-25°C; Conductivity (20°C); Colour; Colour ISO 7887-C; Permanganate Index (PI); Total Cyanide; Free Cyanide; Nitrate; Total Dissolved Solids Participants are provided with a solution containing a minimum of 20 Perfluoroalkyl and polyfluoroalkyl substances (PFAS) for quantitative determination.
Soft, potable (treated) water
PT-AQ-67 PFAS PT-AQ-68 Estrogens PT-AQ-70 PFAS
Potable water
17- β Estradiol; Estrone
Potable water
Potable water
Participants are provided with a solution containing minimum of 47 Perfluoroalkyl and polyfluoroalkyl substances (PFAS) for quantitative determination
PT-AQ-72 Epichlorohydrin
Potable water
Epichlorohydrin
PT-AQ-73 FTOHs
Potable water
6:2 Fluorotelomer Alcohol; 8:2 Fluorotelomer Alcohol
PT-AQ-74 Vinyl chloride PT-AQ-78 Bisphenol A
Potable water
Vinyl chloride
Potable water
Bisphenol A
Surface and groundwaters (Organic) Sample Code Matrix
Analytes
PT-AQ-06A Haloforms & Chlorinated Solvents PT-AQ-06B Phenols
Groundwater
Chloroform; Bromodichloromethane; Dibromochloromethane; Bromoform; Trichloroethene; Tetrachloroethene; Carbon Tetrachloride; 1,2 Dichloroethane
Groundwater
Phenol; 2-Chlorophenol; 4-Chlorophenol; 3-Bromophenol; 2,4-Dichlorophenol; 2,4,6-Trichlorophenol; Pentachlorophenol; 2,5-Dimethylphenol; 3,5-Dimethylphenol; 2-Methylphenol (o-cresol); 3-Methylphenol (m-cresol); 4-Methylphenol (p-cresol); Total monosubstituted methylphenols; 4-Chloro-3-methylphenol; 2,6-Dichlorophenol; 2,4,5-Trichlorophenol; 2,4-Dimethylphenol; Nonylphenol Benzene; Toluene; Ethylbenzene; Styrene; o-Xylene; m-Trimethylbenzene; MTBE (methyl tert-butyl ether) Xylene; p-Xylene; Total Xylene; m-+ p-Xylene; 1,2,4- Endrin; Dieldrin; Aldrin; p,p’-DDT; o,p-DDT; p,p’-DDE; o,p’-DDE; p,p’-DDD; o,p’- DDD (TDE); Alpha Hexachlorocyclohexane; Beta Hexachlorocyclohexane; Delta Hexachlorocyclohexane; Lindane (Gamma HCH); Trifluralin; Alpha Endosulphan; Beta Endosulphan; Hexachlorobenzene; Heptachlor; Heptachlor Epoxide; Pentachlorobenzene; Pendimethalin; Cis-Chlordane; Trans-Chlordane; Methoxychlor; Endosulfan Sulfate; Endrin Aldehyde Hexachlorobutadiene; Carbon Tetrachloride; Tetrachloroethene; 1,2,4-Trichlorobenzene; Trichloroethene; 1,1,1-Trichloroethane; 1,3,5 Trichlorobenzene; 1,2,3-Trichlorobenzene; 1,2-Dichloroethane; Chloroform
PT-AQ-06C Benzene, Toluene & Xylenes PT-AQ-07A Organochlorine Pesticides
Groundwater
Groundwater
PT-AQ-07B Chlorinated Solvents
Groundwater
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.
72 lgcstandards.com/AXIO-PT
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