1 After individual lists are prepared, the class prepares a list of all of the pollutants and types of pollution that they have identified. 2  The items in the class list are sorted as to whether they are examples of point source pollution or non-point-source pollution. After individual lists are prepared, the class prepares a list of all of the pollutants and types of pollution that they have identified. 2  The items in the class list are sorted as to whether they are examples of point source pollution or non-point-source pollution.
How much does a Machine Operator I make? The median annual Machine Operator I salary is $31,632, as of March 31, 2017, with a range usually between $27,820-$36,741, however this can vary widely depending on a variety of factors.
The U.S. Bureau of Labor Statistics reports the median wage for heavy equipment operators in the United States is $41,870, an hourly wage of $20.13 per hour, as of May 2012. The average nationwide for those who operate bulldozers, backhoes, cranes and road grading machinery is slightly higher than the median, at $46,270 per year, or $22.24 per hour.