Marine pollutant,
Marine pollutant, means a material which is listed in appendix B to 172.101 of this subchapter (also see 171.4) and, when in a solution or mixture of one or more marine pollutants, is packaged in a concentration which equals or exceeds:
(1) Ten percent by weight of the solution or mixture for materials listed in the appendix; or
(2) One percent by weight of the solution or mixture for materials that are identified as severe marine pollutants in the appendix.