Oil
Oil means petroleum whether in solid, semi-solid, emulsified, or liquid form, including but not limited to, crude oil, fuel oil, sludge, oil refuse, oil residue, and refined products, and, without limiting the generality of the foregoing, includes the substances listed in Appendix I of Annex I of MARPOL. Oil does not include animal and vegetable based oil or noxious liquid substances (NLS) designated under Annex II of MARPOL.