Laws and standards
The sensitive area of drinking water disinfection is regulated by international and national laws, ordinances, regulations and recognised technical rules. Only treatment substances and disinfection methods that have been tested and approved for their effectiveness and sustainability may be used.
Special features of the nt-BlueBox
Sodium hypochlorite NaClO is approved in the German Federal Environmental Agency list according to § 11 Drinking Water Law:
- permissible dosing quantity for long-term disinfection max. 1.2 mg/L free chlorine (in special cases short-term max. 6 mg/L)
- after dosing in the system min. 0.1 mg/L and max. 0.3 mg/L free chlorine during long-term disinfection of drinking water (in special cases short-term max. 0.6 mg/L)
The newtec-solution is conform with directive (EU) No 528/2012 (Biocidal Products Regulation) and allows the employer/operator the substitution requirement of the Regulation to replace highly concentrated NaClO (6-15%), ClO2 or other hazardous disinfection chemicals.
According to worksheet W 557, section 7.1:
„Until the technical renovation of the drinking water installation, temporary (long-term) disinfection of the drinking water can be helpful as an additional measure. Drinking water is available to the consumer during the operation.“
According to TWIN 05 (4/2009):
„Taking into account the extent of contamination and its hygienic significance, it may be necessary for health protection reasons to carry out continuous disinfection of the drinking water before and/or during a technical remediation."
Implementation of the 42nd BImSchV (2017) for evaporative cooling plants, cooling towers and wet separators of the Federal Immission Control Act with newtec solution for effective and cost-effective prevention of the health risks caused by legionella from these plants.