All materials presented on this Web site may not be reproduced in any forms or by any means graphic, electronic or mechanical without prior authorization of Ekster and Associates. The information containing on this Web site is subject to change without notice. Ekster and Associates does not make any warranty of any kind in regards to this material, including, but not limiting to, the implied warranty of merchantability and fitness for a particulate purpose. Ekster and Associates shall not be liable for errors contained herein or for incidental consecutive damages in connection with the furnishing, performance or use of this material.

Trademarks SRTmaster, DOmaster, OPTImaster and BlanketMaster, ASASC, motto "Take control of your activated sludge process", motto "Take control of activated sludge biomass" and logo are trademarks of Ekster and Associates.