We get a lot of questions about clean sand. Most are related to the clean sand requirement for mound sewage treatment systems. However, we do get questions about using sand in either single- or multiple-pass sand filters and use of sand or other materials as fill or final cover for...
Don’t Underestimate the Importance of Clean Sand in System Design
The proliferation of mound systems in the 1970s built demand for carefully sized sand products free of contaminating fines
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