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Wastewaters with low BOD (ex. < 50mg/L) can be applied to soils at rates greater than the typical hydraulic loading rate.

Long Term Acceptance Rate (LTAR) is affected by:

Which of the following statements about treatment in a conventional septic system is NOT true?

Setbacks are required separation distances from the system that are designed to prevent contamination of water supplies, prevent legal dispute or prevent improper dispersal/treatment of wastewater.

Creeping failure may occur in an under-designed system or from the homeowner not regularly pumping out solid wastes from their septic tank.

Which of the following in NOT part of the biomat?

Unlike D box systems, serial distribution absorption lines must be the same length.

Microbes move much farther in saturated soils.

It is best to avoid slopes > 30% when installing an on-site sewage system.