For Offshore Cleaning Chemicals for offshore use, approved by OSPAR Guidelines for Completing the Harmonised Offshore Chemical Notification Format (HOCNF) & The Centre for Environment, Fisheries and Aquaculture Science (CEFAS) A water-based rig cleaner specially designed to provide efficient cleaning and optimum environmental and handling properties. It contains unique environmentally adapted surfactants, pH regulating additives and corrosion inhibitors allowing removal of oil spills, sludge, oil and water based mud, dirt and grime from all surfaces included painted.