P John Devillars

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
CLH	$48.82	3,000	$146,460.00	13,640	2012-09-21	Filing
CLH	$103.20	5,500	$567,600.00	7,750	2011-06-30	Filing
CLH	$98.11	2,000	$196,220.00	6,483	2011-04-19	Filing
CLH	$51.11	3,000	$153,330.00	3,900	2009-05-13	Filing