SIC #2421-2452, 2493, 2499, 2511, 2512, 2517, 2521, 2541 and 2861. SIC #2519, 2531, 2591 and 2599 are authorized for producers of wood furniture and products only.
Stormwater discharges from primary lumber or wood product operation (establishments engaged in sawing rough lumber and timber from logs and bolts) and facilities engaged in the secondary processing and manufacturing of lumber and wood products.
