Piedmont Environmental Council - pecva.org - PEC Issues Position Paper on Non-Conventional Septic Systems http://www.pecva.org/anx/index.cfm/1,97,html The Piedmont Environmental Council has issued a position paper regarding the use of non-conventional septic systems in Loudoun County. Piedmont Environmental Council - pecva.org http://www.pecva.org/anx/img/logo.gif http://www.pecva.org/anx/index.cfm/1,97,html Piedmont Environmental Council 60 en PEC Issues Position Paper on Non-Conventional Septic Systems May 21, 2008. PEC News Release. http://www.pecva.org/anx/index.cfm/1,97,1255,html