Biosolids are the results of the "green movement" of the 1960's. Prior to that time raw sewage was dumped into our waterways. Today, wastewater treatment plants turn sludge into safe, organic biosolids fertilizer. To learn more visit:
www.PABiosolids.org
http://www.mabiosolids.org/index.asp
http://www.depweb.state.pa.us/dep/site/default.asp |