Procedure adapted from<ref>Registered Onsite Wastewater Professional Program BC, PERCOLATION TEST PROCEDURE & FORM (2016) https://owrp.asttbc.org/wp-content/uploads/2016/11/Percolation-Test-Procedure-and-Form.pdf</ref>.
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Adapted from<ref>Registered Onsite Wastewater Professional Program BC, PERCOLATION TEST PROCEDURE & FORM (2016) https://owrp.asttbc.org/wp-content/uploads/2016/11/Percolation-Test-Procedure-and-Form.pdf</ref>.