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INVENTORIES AND SUPPLIES
 3 Months Ended
Mar. 31, 2025
Inventory Disclosure [Abstract]  
INVENTORIES AND SUPPLIES INVENTORIES AND SUPPLIES
Inventories and supplies consisted of the following (in thousands):
March 31, 2025December 31, 2024
Supplies$211,022 $200,905 
Oil and oil related products134,786 152,992 
Solvent and solutions12,330 12,458 
Other17,886 18,302 
Total inventories and supplies$376,024 $384,657 
Supplies inventories consist primarily of critical spare parts to support the Company’s incinerator and re-refinery operations and other general supplies used in our normal day-to-day operations. Other inventories consist primarily of parts washer components, cleaning fluids, absorbents and automotive fluids, such as windshield washer fluid and antifreeze.