Chemical sorbent mini-booms are typically used to encircle spills and to contain leaks. A 3 inches diameter scrim on the outside of a the boom identifies the application. The 3M(TM) Chemical Sorbent Mini-Boom P-212 is 12 feet in length. 12 ft. long by 3 in. diameter Chemical Sorbent Mini-Booms can be placed around hazardous spills, reducing the possibility of spread to adjacent areas. Chemical Sorbents can sorb acids, bases and other hazardous fluids. 3 gallon capacity/12 ft. Mini-Boom.