Hygiene, Social and Environmental Medicine

Monitoring of drinking water and pool water

Accreditation

The testing laboratory is officially registered at the National Accreditation Body in Hanover as AKS-PL-20514 and fullfills the criteria of the defined accreditation range of the international standard ISO/IEC 17025. The testing laboratory is listed by the State Office for Nature, Environment and Consumer Protection NRW (LANUV) in the list of laboratories which fulfill the requirements of § 15.4 of the drinking water ordinance 2001 (TrinkwV 2001).

Qualification

• Examination and evaluation of drinking water, water for human use, water for food producing companies, pool water as well as lake water concerning physical-chemical and microbial parameters
• Designated expert knowledge in the field of legionella diagnostic, heavy metals, as well as water-bearing systems in hospitals

Examination parameters according to the drinking water ordinance 2001 (TrinkwV 2001) and DIN 19643 respectively

Microbiological Parameters Escherichia coli Enterococcus Coliform bacteria Pseudomonas aeruginosa Legionella sp. Clostridium perfringens (incl. spores) Colony count at 22°C Colony count at 36°C Physical Parameters Electric conductivity Coloration (SAK Hg 436 nm) Redox potential Temperature Turbidimetry

Chemical Parameters Aluminium Ammonium Antimon Arsenic Lead Cadmium Calcium Chloride Chlorite Chromium Iron Total hardness Silicic acid Copper Magnesium Manganese Nickel Nitrate Nitrite Oxidability Phosphate Mercury Silicium Trihalogenmethanes Hydrogen ions (pH-value) Zinc