We began using saliva testing in January of 2002. It has been a phased-in process, which is now about 80 percent complete. We switched because it is less invasive and better for our employees and there is also a cross-savings for the company.

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It's too early to tell what plans are for each individual plant. Koch is an operating-type company. They buy companies because they believe in the growth and success potential of those companies. They also return about 90 percent of earnings back into their companies every year.

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