ATV RULES AND STANDARDS W A S T E W A T E R W A S T E ATV STANDARD ATV-A 126 Principles for Wastewater Treatment in Sewage Treatment Plants According to the Activated Sludge…
GERMAN ATV-DVWK RULES AND STANDARDS Standard ATV-DVWK-A 198E Standardisation and Derivation of Dimensioning Values for Wastewater Facilities April 2003 ISBN 3-924063-63-X…