2,681
edits
Changes
Jump to navigation
Jump to search
Line 22:
Line 22: − +
→Concentrated underground flow
==Concentrated underground flow==
==Concentrated underground flow==
This type of pretreatement is dominated by proprietary systems, some of which have undergone verification under the [http://etvcanada.ca/ Environmental Technology Verification (ETV)] Canada program.
This type of pretreatement is dominated by proprietary systems, some of which have undergone verification under the [http://etvcanada.ca/ Environmental Technology Verification (ETV) Canada] program.
{|class="wikitable"
{|class="wikitable"