U.S. EPA registered pesticide info
'No. 103 Wood-care Concentrate Water Repellent Wood Preservative' is a fungicide and miticide. Its Federal EPA registration number is: 8300-4. It was originally approved by EPA on 28 Mar 1967. Its registration got cancelled on 01 Jul 1987. It has a 'Caution' signal word. It has the following active ingredients: Pentachlorophenol and Tetrachlorophenols. It's approved for 1 sites including lumber. It is also approved for 3 pests and pest groups including but not limited to dry rot, termites, and wood rot/decay fungi.