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INVENTORIES
3 Months Ended
Mar. 31, 2022
Inventory Disclosure [Abstract]  
INVENTORIES INVENTORIES
Inventories consist of the following components as of:

March 31, 2022December 31, 2021
(unaudited)
Waste coal$3,441,871 $3,238,383 
Fuel oil81,561 94,913 
Limestone28,596 38,958 
TOTALS$3,552,028 $3,372,254