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	17.95%
May 17	B	Strong	Up	Up	Flat	18.48%
May 16	C	Strong	Up	Up	Flat	19.71%
May 15	B	Strong	Up	Up	Up	18.71%
May 14	A	Strong	Up	Up	Up	18.01%
May 13	A	Strong	Up	Up	Up	19.04%
May 10	B	Weak or Absent	Up	Up	Up	19.48%
May 9	A	Weak or Absent	Up	Up	Up	19.09%
May 8	B	Weak or Absent	Up	Up	Up	20.15%
May 7	A	Weak or Absent	Up	Up	Up	18.31%