An engineering control is a physical method to eliminate or reduce exposure to residual contamination on a property. Examples include but are not limited to caps, covers, vapor mitigation systems, horizontal or vertical barriers, and hydraulic control of ground water.
Guidance on Engineering Controls
- Engineering Control: Covers [PDF]: Basic design, operation, and maintenance of covers used to prevent infiltration (May 2021)
- Engineering Control: Fences [PDF]: Basic design, operation, and maintenance of fences used to create horizontal or vertical barriers (May 2021)
- Engineering Control: Slurry Walls [PDF]: Basic design, operation, and maintenance of slurry walls used to prevent ground water migration (May 2021)