Clean Harbors (NYSE: CLH) reported quarterly earnings of $1.62 per share which beat the analyst consensus estimate of $1.61 by 0.62 percent. This is a 4.52 percent increase over earnings of $1.55 per share from the same period last year. The company reported quarterly sales of $1.500 billion which beat the analyst consensus estimate of $1.466 billion by 2.29 percent. This is a 4.82 percent increase over sales of $1.431 billion the same period last year.