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

 ( For oil tanker)

Discharge criteria from cargo spaces:-

(Outside special area)

1. The tanker has in operation an oil discharge monitoring (ODM) & a slop tank arrangements.
2. The total quantity of discharge is not more than 1/30000 of the quantity of last cargo.
3. The instantaneous rate of discharge does not exceed 30 Ltr/NM.

1. The tanker is proceeding en route.
2. The tanker is 50 NM distant (at least) from nearest land.
3. The tanker is not within a special area.
4. No discharge into the sea shall contain chemicals or other substances in quantities or concentrations which are hazardous to the marine environment or chemicals or other substances introduced for the purpose of circumventing the conditions of discharge.