Many materials used on construction sites can be classified as hazardous materials. Some of the most common include fuel, oil, paint, concrete curing compounds, asphalt products, pesticides, herbicides, and septic wastes. The proper storage and handling of these materials is essential to good stormwater management. Every SWPPP should include procedures for hazardous material handling and storage as well as procedures for spill response and reporting. For more information about both these topics, see below:
Storage and Collection of Used Oil and Other Hazardous Materials
- Keep hazardous materials separate, properly labeled, and sealed in the recommended containers.
- Use collection tanks with a clearly visible gage that shows the level of product in the tank and overfill protection. This helps prevent overfilling of collection tanks.
- Containers and aboveground tanks used to store used oil shall be in good condition (no severe rusting, apparent structural defects or deterioration (T128, Ch7, 009.04A1); and not leaking (with no signs of visible leaks) (T128, Ch7, 009.04A2)
- Containers and aboveground tanks (and other receptacles of used oil) with a volume of 25 gallons or greater, shall be labeled or marked clearly with the words “Used Oil”, T128, Ch7, 009.04A3
- If possible, store materials under a roof or tarp to protect them from the elements and to prevent contaminated runoff. The storage or collection location may need to be fenced and locked if vandalism could be a problem.
- Cap, label, cover, and properly store above-ground outdoor liquid containers and small tanks within a bermed area and on a paved impermeable surface, if possible. This practice helps to prevent spills from running into surface or ground water.
- Inspect hazardous materials storage or collection areas at least weekly to ensure there are no leaks or spills.
- Inspect equipment such as pumps, pipes, storage tanks, valves, and material handling equipment for signs of corrosion, support or foundation failure, or other deterioration.
- Promptly clean up spilled materials to prevent runoff, tracking, and spoilage of other materials.
- Stock cleaning and spill response materials where they are readily available.
- Post reminders of good housekeeping practices.
- Schedule housekeeping duties and inspections to ensure good housekeeping is being accomplished.
Spill Response and Reporting
Spills that equal or exceed 25 gallons must be immediately reported to the NDEQ unless they are confined to a building or other impervious structure (secondary containment) and are cleaned up within 24 hours. During business hours, the spill should be reported to the NDEQ at (402) 471-2186. After hours and holidays, the spill should be reported to the Nebraska State Patrol. All information known about the release at the time of discovery is to be included, such as time of occurrence, quantity and type of material, location and any corrective or cleanup actions presently being taken. The Department may require a written final report for all releases of an oil or hazardous substance within 15 days after remedial action has been completed, or, if no remedial action occurs, within 15 days of the release, or in such other reasonable time period as the Department shall determine. These reports shall contain, at a minimum, the following information:
- Date, time and duration of the release
- Location of release
- Person or persons causing and responsible for the release
- Type and amount of oil or hazardous substance released
- Cause of the release
- Environmental damage caused by the release
- Actions taken to respond, contain and clean up the release
- Location and method of ultimate disposal of the oil or hazardous substance and other contaminated materials
- Actions being taken to prevent a reoccurrence of the release
- Any known or anticipated acute or chronic health risks associated with the release
- When appropriate, advice regarding medical attention necessary for exposed individuals.