Trend Table for CLH - Clean Harbors, Inc.

Current Trend Strength: Weak or Absent

Date	Grade	ADX	Long Term	Intermediate Term	Short Term	% Chg
May 20	B	Strong	Up	Up	Up	21.57%
May 17	B	Strong	Up	Up	Flat	22.12%
May 16	C	Strong	Up	Up	Flat	23.39%
May 15	B	Strong	Up	Up	Up	22.35%
May 14	A	Strong	Up	Up	Up	21.64%
May 13	A	Strong	Up	Up	Up	22.69%
May 10	B	Weak or Absent	Up	Up	Up	23.15%
May 9	A	Weak or Absent	Up	Up	Up	22.75%
May 8	B	Weak or Absent	Up	Up	Up	23.84%
May 7	A	Weak or Absent	Up	Up	Up	21.94%