Yes, upon consult with the US Environmental Protection Agency (EPA), we have been conveyed the following information from the agency:
Greensorb is classified as an official sorbent material and consists solely of the materials listed in section 300.915(g)(l) of the National Contingency Plan (NCP).
According to Title 40 of the Code of Federal Regulations (CFR), Greensorb meets or exceeds the characteristics of a sorbent as is listed in sub-parts 300.5 and 300.919 of the National Contingency Plan (NCP).
For a copy of the certification letter sent to the EPA, please click here.