Quarterly report pursuant to Section 13 or 15(d)

COMMITMENTS AND CONTINGENCIES

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COMMITMENTS AND CONTINGENCIES
9 Months Ended
Sep. 30, 2021
Commitments and Contingencies Disclosure [Abstract]  
COMMITMENTS AND CONTINGENCIES COMMITMENTS AND CONTINGENCIES
Litigation
The Company is periodically named in legal actions arising from normal business activities. We evaluate the merits of these actions and, if we determine that an unfavorable outcome is probable and can be reasonably estimated, we will establish the necessary reserves. We are not currently involved in legal proceedings that could reasonably be expected to have a material adverse effect on our business, prospects, financial condition or results of operations. We may become involved in material legal proceedings in the future.
Supplier Agreements
In accordance with our supplier agreements, on a recurring monthly basis, the Company commits to purchasing a determined volume of feedstock in anticipation of upcoming requirements. Feedstock purchases are invoiced and recorded when they are delivered. As of September 30, 2021 and December 31, 2020, the value of the remaining undelivered feedstock approximated $18.0 million and $9.2 million, respectively.
From time to time, we may incur shortfall fees due to feedstock purchases being below the minimum amounts prescribed by our agreements with our suppliers. Shortfall fee expenses were approximately $0.4 million and $0.2 million for the three months and $0.8 million and $1.2 million for the nine months ended September 30, 2021 and 2020, respectively.
Environmental Remediation
Amounts charged to expense for various activities related to environmental monitoring, compliance, and improvements were approximately $0.3 million and $0.2 million for the three months and $0.9 million and $0.7 million for the nine months ended September 30, 2021 and 2020, respectively.