The Contractor shall provide chemical latrines and hand washing stations services to include the filling, cleaning, and pumping of portable chemical latrines, hand washing/sink stations at the locatio... The Contractor shall provide chemical latrines and hand washing stations services to include the filling, cleaning, and pumping of portable chemical latrines, hand washing/sink stations at the locations and dates specified in attachment 3. The contractor shall accomplish services in coordination with the Contracting Officer (KO) and the Contracting Officer Representative (COR).