Home Health Best practices for environmental health : environmental pollution, protection, quality and sustainability
SUB-PROBLEMS INCLUDING LEADING TO IMPAIRMENT AND BEST PRACTICES FOR SURFACE IMPOUNDMENTS USED FOR MANAGING HAZARDOUS WASTES
(See endnote 92)
A surface hazardous waste impoundment is like a hazardous waste landfill cell. It is placed in a natural depression or an excavation in the soil with a dike area. It has to be lined with a special double liner, which will be discussed separately. It must also have a leachate collection and removal system which is located between the liners immediately above the bottom composite liner, along with a leak detection system. The bottom slope of the impoundment must be made of materials that are chemically resistant to the waste and flow downward to a sump pump to pump out the liquids. With permission of the authorizing authority and no leaks in the existing surface of the hazardous waste impoundment, the use of an existing single liner may be accepted.
Best Practices for Surface Impoundments Used for Managing Hazardous Waste
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