On April 29, 2013, Alberta Municipal Affairs issued Standata-Information Bulletin PST-2013-001 regarding an update to the Primary Treatment Field Design Document, a Revised Primary Treatment Field Worksheet and a new Secondary Treatment Field Worksheet. These worksheets are available online either through the member log-in interface at www.aowma.com or on the Alberta Municipal Affairs website at www.municipalaffairs.alberta.ca/cp_private_sewage.cfm.