INVENTORIES AND SUPPLIES

12 Months Ended

Dec. 31, 2021

Inventory Disclosure [Abstract]

INVENTORIES AND SUPPLIES

INVENTORIES AND SUPPLIES

Inventories and supplies consisted of the following (in thousands):

	December 31, 2021		December 31, 2020
Oil and oil related products	$	101,965	$	76,209
Supplies	126,602		120,007
Solvent and solutions	8,099		8,812
Other	14,026		15,470
Total inventories and supplies	$	250,692	$	220,498

Supplies inventories consist primarily of critical spare parts to support the Company's incinerator and re-refinery operations, personal protective equipment 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.