Dear Mr. Raymond Guthrie, Though it depends upon the no of usage & size of the septic tanks to be cleared, it is felt that this % shall be around 15% or maximum of 20% can be considered. Thanks & regards, Dr. dpsingh dpshimla@gmail.com
Published by Dr. Davinderpal Singh Bhatia, Project Manager, European Union Project
Dear Mr. Raymond Guthrie,
Though it depends upon the no of usage & size of the septic tanks to be cleared, it is felt that this % shall be around 15% or maximum of 20% can be considered.
Thanks & regards,
Dr. dpsingh