Topical Terminology > Class A
Class A
For Class A we have terms and definitions in 2 topics. The topics are Audio Technology and Sanitation.
Class A (Audio Technology) 
A type of amplifier design that generally produces less distortion than class AB, or B amplifiers, but with lower efficiency lower power output.
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Class A (Sanitation)
Biosolids with less than 1000 fecal coliforms per gram of total solids or less than 3 salmonella per 4 grams of total solids. In addition, one of the following options is required: 1) various time/temperature relationships, 2) high p] i, coupled with high temperature and air drying, 3) enumeration of enteric viruses and viable helm nth ova in sludge (<1 unit/4 grams), 4) enumeration of enteric viruses and viable helminth ova at time sludge is used/disposed (<1 unit/4 grams), 5) treated in a PFRP process, or 6) treated in a PFRP equivalent process.
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