INVENTORIES AND SUPPLIES

12 Months Ended

Dec. 31, 2018

Inventory Disclosure [Abstract]

INVENTORIES AND SUPPLIES

INVENTORIES AND SUPPLIES

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

	December 31, 2018		December 31, 2017
Oil and oil related products	$	70,823	$	58,142
Supplies and drums	104,609		94,242
Solvent and solutions	10,657		9,167
Modular camp accommodations	—		1,826
Other	13,390		12,635
Total inventories and supplies	$	199,479	$	176,012

Supplies and drums consist primarily of drums and containers used in providing the Company's products and services as well as critical spare parts to support the Company's incinerator and re-refinery operations. Other inventories consisted primarily of parts washer components, cleaning fluids, absorbents and automotive fluids, such as windshield washer fluid and antifreeze.