1996-02-06_REVISION - M1977493 (14)

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Chapter 4-Site-Specific / trial Storm Water BMPs What Are They The activities conducted at an industrial site often result in the materials being deposited on clothes and footwear and the being carried throughout the facility site. As a result, these materials may find their way into the storm water runoff. Area control procedures involve practicing good housekeeping measures such as maintaining indoor or covered material storage and industrial processing areas. If the area is kept clean, the risk of accumulating materials on footwear and clothing is reduced. In turn, the chance of left over pollutants making contact with storm water and polluting surface water is minimized. When and Where to Use Them Area control measures can be used at any facility where materials may be tracked into areas where they can come in contact with storm water runoff. Areas can include material handling areas, storage areas, or process areas. What to Consider 01 Materials storage areas and industrial processing areas should be checked regularly to ensure that good housekeeping measures are being implemented. Cover-garments, foot mats, and other devices used to collect residual material near the area should be cleaned regularly. • Other effective practices include the following: • Brushing off clothing before leaving the area • Stomping feet to remove material before leaving the area • Using floor mats at area exits • Using coveralls, smocks, and other overgarments in areas where exposure to material is of greatest concern (employees should remove the overgarments before leaving the area) • Posting signs to remind employees about these practices. Advantages of Area Control Procedures • Are easy to implement • Result in a cleaner facility and improved work environment Disadvantage of Area Control Procedures • May be seen as tedious by employees and therefore may not be followed • 4-48