Hazardous Waste

NEHA Exam

Manifest, DOT, RCRA, OSHA

All transporters of Hazardous Wastes and Hazardous Materials are required to have:

______

Training (from these 3 agencies)

No Time Limits until after 55 gals

Conditionally Exempt Small Quantity, on site accumulation time for accumulating hazardous waste

Hazardous Waste Manifest

A set of forms, reports, and procedures designed to continuously track hazardous waste from the time it leaves the generator facility until it reaches its final resting stop at the off-site waste management facility that will store, treat, or dispose of the hazardous waste. (8700-22)

Toxic Substance Control Act (TSCA)

Regulates the production, use, and disposal of toxic chemical substances. Requires industry to give notice to the Feds of a new chemical or use for an existing chemical

Superfund

Comprehensive Environmental Response, Compensation, & Liability Act (CERCLA) ________ regulates leachate and other releases of hazardous substances from abandoned hazardous waste sites operating prior to Nov 1980. Feds require the “person” who generated or transported the waste to cleanup or Feds use ________ money to cleanup. (same word twice)

liners, leachate collection, gas collection

Modern landfills are designed to contain leachate and minimize release of pollutants (including odors and gas) from the landfill by utilizing these three items

Valley or Ravine Method

Natural depressions of earth are filled with refuse

USUALLY BEST method of operation

Most commonly used in big cities

Area or Ramp Method

In a fairly level or rolling terrain refuse is piled on top until the rolling terrain becomes level or a mound is formed

Trench Method

Used on level ground, are excavated and refuse is deposited and a mount is formed in the end.

Single Liner

Landfill liner:

One liner consisting of compacted soil (preferably soil) or geomembrane

Composite Liner

Landfill liner: (Subtitle D or regular MSW)

A single layer of compacted soil and geomembrane in intimate contact

Double layer

Landfill liner: (subtitle C or Haz Waste)

System with a low permeability layers with a leak detection system layer in-between. The upper and lower components are either compacted soil, geomembrane, or composite.