Underground tanks located within 10 feet of a basement or pit lower than the top of such tank, shall be completely incased in 6 inches of concrete of a 1, 3 and 5 mixture.
MCL 125.567
Underground tanks located within 10 feet of a basement or pit lower than the top of such tank, shall be completely incased in 6 inches of concrete of a 1, 3 and 5 mixture.
MCL 125.567