Clean Harbors (NYSE: CLH) is expected to report Q1 earnings on May 1. Here's what Wall Street wants to see:

The 10-second takeaway
 Comparing the upcoming quarter to the prior-year quarter, average analyst estimates predict Clean Harbors's revenues will increase 56.3% and EPS will decrease -45.0%.

The average estimate for revenue is $893.8 million. On the bottom line, the average EPS estimate is $0.33.

Revenue details
 Last quarter, Clean Harbors booked revenue of $559.0 million. GAAP reported sales were 2.4% higher than the prior-year quarter's $545.9 million.

Source: S&P Capital IQ. Quarterly periods. Dollar amounts in millions. Non-GAAP figures may vary to maintain comparability with estimates.

EPS details
 Last quarter, EPS came in at $1.11. GAAP EPS of $1.11 for Q4 were 54% higher than the prior-year quarter's $0.72 per share.

Source: S&P Capital IQ. Quarterly periods. Non-GAAP figures may vary to maintain comparability with estimates.

Recent performance
 For the preceding quarter, gross margin was 28.5%, 310 basis points worse than the prior-year quarter. Operating margin was 7.7%, 340 basis points worse than the prior-year quarter. Net margin was 11.1%, 410 basis points better than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $3.72 billion. The average EPS estimate is $2.69.

Investor sentiment
 The stock has a three-star rating (out of five) at Motley Fool CAPS, with 313 members out of 334 rating the stock outperform, and 21 members rating it underperform. Among 74 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 67 give Clean Harbors a green thumbs-up, and seven give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Clean Harbors is buy, with an average price target of $63.71.

The rich are different than you and me: They might not notice the moneymaking stories right under our noses. In our new report, "Middle-Class Millionaire-Makers: 3 Stocks Wall Street's Too Rich to Notice," we give you three Peter Lynch-inspired buy-what-you-know stocks for the 99%. Click here for instant access to this free report.