| SENDER : COMPLETE THIS SECTION ∎ Complete items 1., 2, and 3.I item 4 ifRestricted Do" is desired .- ∎ Printyourname and address on the reverse
I so that we can return the card to you .- I ∎ Attach this card to the back of the maiipiece,
or on the front itspace permits:I .: 6/1/06 B.M.lc/o C .T . Corporation System!Clean Harbors EnvironmentalServices, Inc.1 208 S. LaSalle Street, Ste . 814`'Chicago, IL 60604-1101iI 2. Article Number(Tianslerlromaendcelebel) 7005 1160 0002 2067 9385PS Form3811,February 2004 Domestic Return Receipt Air=CEIVEDC... |