DRINKING WATER CHEMISTRY

The drinking water chemistry proficiency scheme consists mainly of actual drinking water samples for the analysis of inorganics, metals and organics. There are 17 different analyte groups (shown below) each consisting of numerous analytes (details on pages 5-9 of the Water & Environmental PT brochure).

Group 1: Major Inorganic Components
Group 2: Routine Components
Group 3: Routine Metals
Group 4: Non-Routine Metals
Group 5: Inorganic Disinfection By-products
Group 6: Trihalomethanes /Chlorinated Solvents
Group 7: Polycyclic Aromatic Hydrocarbons
Group 8: OP Pesticides
Group 9: Acid Herbicides
Group 10: OC Pesticides
Group 11: BTEX
Group 12: Cholring
Group 15: Triazines and Urea Herbicides
Group 16: Total Cyanide
Group 17: Haloacetic Acids

Closing date for registrations for Groups 9, 12, 15, 16 & 17 is four weeks before the start dates for these tests. Closing date for registrations for all other Groups is two weeks before the start date of these tests