Video Clip: California USA Director Mary-Ann Warmerdam offers pesticide overview Video Clip: California USA Director Mary-Ann Warmerdam offers pesticide overview uncleadolph March 28, 2010 Director Mary-Ann Warmerdam provides an overview of the Department of Pesticide Regulation, and how it fulfills its... Read More Read more about Video Clip: California USA Director Mary-Ann Warmerdam offers pesticide overview