575 



(4) "Nearest land" is as defined in Regulation 1(9) of Annex I of the 

 present Convention. 



(5) "Liquid substances" are those having a vapour pressure not ex- 

 ceeding 2.8 kp/cm^ at a temperature of 37.8 °C. 



(6) "Noxious liquid substance" means any substance designated irt 

 Appendix II to this Annex or provisionally assessed under the provi- 

 sions of Regulation 3 (4) as falling into Category A, B, C, or T>. 



(7) "Special area" means a sea area where for recognized technical 

 reasons in relation to its oceanographic and ecological condition and 

 to its peculiar transportation traffic the adoption of special mandatory 

 methods for the prevention of sea pollution by noxious liquid sub- 

 stances is required. 



Special areas shall be : 



(a) The Baltic Sea Area, and 



( b ) The Black Sea Area. 



(8) "Baltic Sea Area" is as defined in Regulation 10 of Annex I of 

 the present Convention. 



(9) "Black Sea Area" is as defined in Regulation 10 of Annex I of 

 the present Convention. 



REGULATION" 2 



Application 



(1) Unless expressly provided otherwise the provisions of this An- 

 nex shall apply to all ships carrying noxious liquid substances in 

 bulk. ^ . 



(2) Where a cargo subject to the provisions of Annex I of the pres- 

 ent Convention is carried in a cargo space of a chemical tanker, the 

 appropriate requirements of Annex I of the present Convention shall 

 also apply. 



(3) Regulation 13 of this Annex shall apply only to ships carrying 

 substances which are categorized for discharge control purposes in 

 Category A, B, or C. 



REGULATION 3 



C ate gori Station and Listing of Noxious Liquid Substances 



(1) For the purpose of the Regulations of this Annex, except Regu- 

 lation 13, noxious liquid substances shall be divided into four cate- 

 gories as follows : 



(a) Category A — Noxious liquid substances which if discharged 

 into the sea from tank cleaning or deballasting operations would 

 present a major hazard to either marine resources or human health 

 or cause serious harm to amenities or other legitimate uses of the 

 sea and therefore justify the application of stringent anti-pollu- 

 tion measures. 



charged into the sea from tank cleaning or deballasting operations 

 would present a hazard to either marine resources or human health 



(b) Category B — Noxious liquid substances which if dis- 

 or cause harm to amenities or other legitimate uses of the sea and 

 therefore justify the application of special anti-pollution 

 measures. 



(c) Category C — Noxious liquid substances which if discharged 

 into the sea from tank cleaning or deballasting operations would 



' present a minor hazard to either marine resources or human health 



