Soil drainage is of particular concern when evaluating a site for the installation of an on-site wastewater treatment system. Select the only answer which is correct regarding soil drainage.

Complete soil treatment of septic tank effluent includes all of the following except

Which of the following treatment devices generally produces effluent with the lowest suspended solids?

In backfilling the lateral line trenches, the fill material should be mounded 6 inches over the top of the trench above the natural grade to allow

A gravelless chamber system may be installed (based upon a soil morphology evaluation) when

The ability of soil to purify sewage effluent through normal biological activity in the soil is highly dependent on the _______ level in the soil.

In a HACCP program for a food manufacturer, who is responsible for food safety?

The two most critical limits over which the food manager has the most control are

Which of the following methods is not acceptable for thawing frozen foods?

Multiple-Choice questions (3 points each): clearly indicate your answer by circling the answer letter. If you need to change your answer, make it clear which option is your final answer. There may be more than one answer that seems correct – be sure to choose the BEST ONE ANSWER to the question.