	buffton buff to post investigation charge buffton corp said it will conduct an investigation on a plant designated as a superfund site which will result in a charge of about six cts per share in its second quarter in the year ago second quarter buffton reported net income of cts a share or dlrs on sales of mln dlrs the study should be completed in nine months and will determine any clean up or remedial action that may be required robintech inc the plant s former owner will split the cost buffton said its share will cost dlrs reuter 
