What is Annex I of MARPOL 73/78 (Regulation for the Prevention of Pollution by Oil) and discharge regulations?

Discharge criteria from Machinery space bilges:-

(In and outside special areas)

  1. The ship is proceeding enroute.
  2. The oily mixture is processed through an oil filtering equipment as required.
  3. The oil content of the effluent without dilution does not exceed 15 ppm.
  4. The oily mixture does not originate from cargo pump room bilges on oil tanker.
  5. The oily mixture in case of oil tankers is not mixed with oil cargo residues.
Discharge regulations for Oil tankers

Discharge of oil from the area of the cargo tank including pump room (Regulation 34, of Annex 1 MARPOL 73/78

Within 50 NM from the nearest land( IN   SPECIAL AREA OR  OUTSIDE SPACE) Any discharge is prohibited with the exception of clean or segregated ballast.
 More than 50NM from the nearest land( OUTSIDE SPECIAL AREA) Any discharge  is prohibited with the exception of clean on segregated ballast on except when:

About the author

Amit Sharma

Graduated from M.E.R.I. Mumbai (Mumbai University), After a brief sailing founded this website with the idea to bring the maritime education online which must be free and available for all at all times and to find basic solutions that are of extreme importance to a seafarer by our innovative ideas.