Clean Harbors (NYSE:CLH) reported quarterly earnings of $3.22 per share which beat the analyst consensus estimate of $2.77 by 15.83 percent. This is a 36.44 percent increase over earnings of $2.36 per share from the same period last year. The company reported quarterly sales of $1.735 billion which beat the analyst consensus estimate of $1.641 billion by 5.72 percent. This is a 11.95 percent increase over sales of $1.550 billion the same period last year.