Agree it’s odd. Must be one of these, which don’t really have a name (link from the article): https://www.documentcloud.org/documents/23886219-integrated-risk-

Agree it’s odd. Must be one of these, which don’t really have a name (link from the article): https://www.documentcloud.org/documents/23886219-integrated-risk-assessment-for-chevron-waste-plastic-fuels https://www.documentcloud.org/documents/23886219-integrated-... > SUMMARY 1.1 Background Chevron Corporation submitted premanufacture notices (PMN) for eighteen waste plastic fuel streams, P-21-0144 through 0150, P-21-0152 through, and P-21-0160 through 0163). These new chemical substances (NCSs) are complex mixtures. They are manufactured concurrently with petroleum streams and have identical composition; the only difference is that the feedstocks are waste plastic-based sources rather than petroleum-based sources. The intended uses are as fuels, fuel components, and chemical intermediates or refinery feedstocks