Annex - Amendments to MARPOL Annex II
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Statutory Documents - IMO Publications and Documents - Resolutions - Marine Environment Protection Committee - Resolution MEPC.344(78) - Amendments to the Annex of the International Convention for the Prevention of Pollution from Ships, 1973, as Modified by the Protocol of 1978 Relating Thereto... - Annex - Amendments to MARPOL Annex II

Annex - Amendments to MARPOL Annex II

 (Abbreviated legend to the revised GESAMP Hazard Evaluation Procedure)

Appendix I

Guidelines for the categorization of noxious liquid substances

The three tables under the title "Abbreviated legend to the revised GESAMP Hazard Evaluation Procedure" are replaced by the following four tables:

"              
  A

Bioaccumulation and Biodegradation

 B

Aquatic Toxicity
  Numerical rating A1

Bioaccumulation

 A2

Biodegradation

 B1

Acute toxicity

LC/EC/IC50 (mg/L)

B2

Chronic toxicity

EC10 or NOEC (mg/L)

 
  A1a: log Pow A1b: BCF        
  0 log <1,

log > ca.7

MW > 1000

no measurable

BCF

 R:

readily

biodegradable

 AT >1000 CT >1  
  1 1≤ log <2 1≤ BCF <10 NR:

not readily

biodegradable

 10˂ AT ≤1000 0.1˂ CT ≤1  
  2 2≤ log <3 10≤ BCF <100 10˂ AT ≤100 0.01˂ CT ≤0.1  
  3 3≤ log <4 100≤ BCF <500 1˂ AT ≤10 0.001 ˂ CT ≤0.01  
  4 4≤ log <5 500≤ BCF <4000 0.1˂ AT ≤1 CT ≤0.001  
  5 5≤ log < ca.7 BCF ≥4000 0.01˂ AT ≤0.1    
  6       AT ≤0.01    
               
               
  C

Acute Mammalian Toxicity
  Numerical rating C1

Oral toxicity

 C2

Dermal toxicity

 C3

Inhalation toxicity

  
  LD50/ATE (mg/kg) LD50/ATE (mg/kg) C3a C3b  
  vapour/mist

LC50/ATE (mg/L)

mist only

LC50/ATE (mg/L)

vapour only

LC50/ATE (mg/L)

 
  0 ATE >2000 ATE >2000 ATE >20 ATE >5 ATE >20  
  1 300˂ ATE ≤2000 1000˂ ATE ≤2000 10˂ ATE ≤20 1˂ ATE ≤5 10˂ ATE ≤20  
  2 50˂ ATE ≤300 200˂ ATE ≤1000 2˂ ATE ≤10 0.5˂ ATE ≤1 2˂ ATE ≤10  
  3 5˂ ATE ≤50 50˂ ATE ≤200 0.5˂ ATE ≤2 0.05˂ ATE ≤0.5 0.5˂ ATE ≤2  
  4 ATE ≤5 ATE ≤50 ATE ≤0.5 ATE ≤0.05 ATE ≤0.5  
               
               
  D

Irritation, Corrosion and Long-term Health Effects
  Numerical rating D1

Skin irritation and corrosion

D2

Eye irritation and corrosion

 D3

Long-term health effects

 
  0 not irritating not irritating

C – Carcinogenic

M – Mutagenic

R – Reprotoxic

Ss – Sensitizing to skin

Sr – Sensitizing to respiratory system

A – Aspiration hazard

T – Target Organ Toxicity

N – Neurotoxic

I – Immunotoxic

 
  1 mildly irritating mildly irritating  
  2 irritating irritating  
  3 severely irritating or corrosive

3A Corr. (≤4 h)

3B Corr. (≤1 h)

3C Corr. (≤3 min)

severely irritating  
               
               
  E

Interference with Other Uses of the Sea
  Numerical Rating E1

Flammability flashpoint (oC)

E2

Physical effects on wildlife and benthic habitats

E3

Interference with coastal amenities

  
  0 -

(not flammable, does not burn)

Fp - Persistent floater

F - Floater

S - Sinker

G - Gas

E - Evaporator

D - Dissolver

and combinations thereof

no interference

no warning

  
  1 Fp >93 slightly objectionable

warning, no closure of amenity

  
  2 60˂ Fp ≤93 moderately objectionable

possible closure of amenity

  
  3 23≤ Fp ≤60

highly objectionable

closure of amenity

  
  4 Fp <23  
               

"

Parent topic: Resolution MEPC.344(78) - Amendments to the Annex of the International Convention for the Prevention of Pollution from Ships, 1973, as Modified by the Protocol of 1978 Relating Thereto. Amendments to MARPOL Annex II. (Abbreviated legend to the revised GESAMP Hazard Evaluation Procedure) - (adopted on 10 June 2022)
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