University of Minnesota
Minnesota Technical Assistance Program


Multimedia assistance to businesses of all sizes begins.

Waste exchange listings printed in newsletter.

Toxic Chemical Release Inventory (TRI) form submission to the U.S. EPA and the State begins.

The Minnesota Office of Waste Management (OWM) is established to coordinate pollution prevention and planning for managing hazardous and solid waste, and to develop markets for recycled materials.

Hazardous Waste Capacity Assurance Plan emphasizes increased pollution prevention to eliminate need for new hazardous waste management facilities.

The Exxon Valdez spills 11 million gallons of crude oil into Prince William Sound becoming the largest oil spill in U.S. history.


MnTAP starts a solvent waste reduction project to assist nine companies with various solvent waste issues.


MnTAP begins offering non-hazardous industrial waste assistance.


MnTAP begins publishing the Source newsletter.

The Superfund Amendment and Reauthorization Act (SARA) passes, including Emergency Planning & Community Right- to-Know Act amendments to the Resource Conservation and Recovery Act (RCRA). The Act increases public access to information on chemicals at individual facilities, their use, and releases into the environment

The Chernobyl nuclear power plant accident occurs in the USSR (now Ukraine).


MnTAP begins offering a student intern program.

Cindy McComas is named MnTAP director.


MnTAP begins offering technical assistance for hazardous waste management and reduction.

Hazardous Waste Management Plan identifies waste reduction as a best management option for hazardous waste.

Minnesota Legislature authorizes Minnesota Waste Management Board (WMB) to create a hazardous waste technical assistance and reduction grant program.

Federal Hazardous and Solid Waste Amendments to the Resource Conservation and Recovery Act (RCRA) phase out land disposal of hazardous waste.

A gas explosion occurs at Union Carbide pesticide plant in Bhophal, India.


Minnesota Superfund program begins to help expedite clean-up of contaminated sites.


A sewer explodes in Louisville, Kentucky, due to illegal discharge of the solvent hexane.


The Federal Superfund Act passes.

The Minnesota Waste Management Act passes, creating the Minnesota Waste Management Board (WMB).

First hazardous waste regulatory information submitted to Minnesota Pollution Control Agency (MPCA).