Direct infiltration includes the use of infiltration trenches or infiltration basins.
Requirements Under Env-Ws 415.11, each site to which these requirements apply must have a source control program. The plan must be signed by a responsible corporate official. The review should include an evaluation of the effectiveness of the plan in preventing pollution and in preventing, containing, and controlling spills. Plan review may need to be more frequent for some facilities. Site compliance evaluations may need to be more frequent for some facilities.