• Clean Harbors average quick ratio for 2023 was 1.68, a 0.59% increase from 2022.
• Clean Harbors average quick ratio for 2022 was 1.69, a 13.33% decline from 2021.
• Clean Harbors average quick ratio for 2021 was 1.95, a 2.01% decline from 2020.

Quick ratio can be defined as a liquidity ratio that measures a company's ability to pay short-term obligations. It is calculated by subtracting inventory from current assets and dividing by current liabilities.