• Clean Harbors average operating margin for 2023 was 11.77%, a 7.49% decline from 2022.
• Clean Harbors average operating margin for 2022 was 10.95%, a 21.13% increase from 2021.
• Clean Harbors average operating margin for 2021 was 9.04%, a 21.51% increase from 2020.

Operating margin can be defined as operating margin measurement of what proportion of a company's revenue is left over after paying for variable costs of production such as wages, raw materials, etc.