0001104659-06-061323 8-K 4 20060911 4.01 9.01 20060915 20060915 CASELLA WASTE SYSTEMS INC 0000911177 4953 030338873 DE 0430 8-K 34 000-23211 061092259 25 GREENS HILL LANE P O BOX 866 RUTLAND VT 05701 8027750325 25 GREENS HILL ROAD RUTLAND VT 05702 8-K 1 a06-19514_18k.htm CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES EX-16.1 2 a06-19514_1ex16d1.htm EX-16 GRAPHIC 3 g195141mai001.jpg GRAPHIC GRAPHIC 4 g195141mai002.jpg GRAPHIC