Specifications include, but are not limited to: Site Prep Spray: Spray-to-wet backpack spray with industry standard herbicide mix at chemical rates per acre to be determined by Agency. Minimum 6 gallons per acre of total mix will be used to achieve specified rates. Site Prep units will be treated between September 1 and September 30 of each year, unless otherwise approved by Agency. Spring Release Spray: Spray-to-wet backpack spray with industry standard herbicide mix at chemical rates per acre to be determined by Agency. Minimum 8 gallons per acre of total mix will be used to achieve specified rates. Spring Release units will be treated between March 1 and April 15 of each year, unless otherwise approved by Agency. Fall Release Spray: Spray-to-wet backpack spray with industry standard herbicide mix at chemical rates per acre to be determined by Agency. Minimum 8 gallons per acre of total mix will be used to achieve specified rates. Fall Release units will be treated between September 15 and October 31 of each year, unless otherwise approved by Agency.