Inventories

9 Months Ended

Sep. 30, 2015

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories consist of the following:

	September 30, 2015		December 31, 2014
Finished products	$	238,671	$	300,909
Feedstock, additives and chemicals	118,498		158,635
Materials and supplies	72,837		66,232
Inventories	$	430,006	$	525,776