About the Author

David Linhardt is a chemical engineer that graduated from Purdue University in 1965.  From 1965 to 1993, he worked for The Dow Chemical Company in a wide variety of technical and management positions.  He has worked in both US and in foreign locations.

From 1979 to 1983, David was an Environmental Specialist at Dow's chemical manufacturing complex in Midland, MI.  During this time, he prepared the initial Resource Conservation and Recovery Act (RCRA) operating permit applications for the site's hazardous waste management facilities.

From 1983 to 1993, David was employed by Dow's Agricultural Chemicals Production Department and was responsible for the technical and business support of the manufacturing facilities used for the production of pesticides.  He left the department and the company in 1993 as a Manufacturing Consultant.

From 1993 to 2003, David was a Raw Material Purchasing Manager for Rhone-Poulenc Ag, Aventis Ag and Bayer CropScience.  During this time period, he was responsible for the sourcing of chemicals and chemical intermediates used in the production of agricultural chemicals.

In 2003, David formed a consulting company, ChemTelligence, Inc., that provides global chemical companies with assessments of competitors' manufacturing technologies and estimates of manufacturing costs and profitability.  He is also an expert witness on the manufacture of pesticides. He is currently president of that company.

David is married and has five grown children.  From 1980 to 1994, David and his family lived in Midland, MI.  He and his wife currently reside in Cary, North Carolina. 

 In addition to being the webmaster for this website, he is also writing a book,  Dioxin ... Dow Chemical and the poisoning of Midland, Michigan about the dioxin contamination that is present in Midland and the adjacent waterways and the health risks to exposed residents and Dow employees.

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