Annex - Amendments to MARPOL Annex II (Revised GESAMP Hazard Evaluation Procedure)
Clasification Society 2023 - Version 9.38
Statutory Documents - IMO Publications and Documents - Resolutions - Marine Environment Protection Committee - Resolution MEPC.270(69) – Amendments to the Annex of the International Convention for the Prevention of Pollution from Ships, 1973... - Annex - Amendments to MARPOL Annex II (Revised GESAMP Hazard Evaluation Procedure)

Annex - Amendments to MARPOL Annex II (Revised GESAMP Hazard Evaluation Procedure)

 This document has been consolidated into MARPOL Annex II

Annex II - Regulations for the Control of Pollution by Noxious Liquid Substances in Bulk

Appendix I - Guidelines for the categorization of noxious liquid substances

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

The Revised GESAMP hazard evaluation procedure

Columns A & B Aquatic environment
  A

Bioaccumulation and biodegradation

B

Aquatic toxicity

rating A 1

Bioaccumulation

A 2

Biodegradation

B 1

Acute toxicity

LC/EC/IC50 (mg/l)

B 2

Chronic toxicity

NOEC (mg/l)

  log Pow BCF
0 <1 or > ca.7 no measurable BCF R: readily biodegradable >1000 >1
1 ≥1 - <2 ≥1 - <10 NR: not readily biodegradable >100 - ≤1000 >0.1 - ≤1
2 ≥2 - <3 ≥10 - <100 >10 - ≤100 >0.01 - ≤0.1
3 ≥3 - <4 ≥100 - <500 >1 - ≤10 >0.001 - ≤0.01
4 ≥4 - <5 ≥500 - <4000 >0.1 - ≤1 ≤0.001
5 ≥5 - < ca.7 >4000 >0.01 - ≤0.1  
6   ≤0.01

Columns C & D Human health (toxic effects to mammals)
  C

Acute mammalian toxicity

D

Irritation, corrosion and long-term health effects

C1 C2 C3 D1 D2 D3
rating Oral toxicity Dermal toxicity Inhalation toxicity Skin irritation & corrosion Eye irritation & corrosion Long-term health effects
LD50/ATE (mg/kg) LD50/ATE (mg/kg) LC50/ATE (mg/l)
0 >2000 >2000 >20 not irritating not irritating C - Carcinogenic
1 >300 - ≤2000 >1000 - ≤2000 >10 - ≤20 mildly irritating mildly irritating M - Mutagenic
2 >50 - ≤300 >200 - ≤1000 >2 - ≤10 irritating irritating R - Reprotoxic
3 >5 - ≤50 >50 - ≤200 >0.5 - ≤2 severely irritating or corrosive severely irritating Ss - Sensitising to skin
Sr - Sensitising to respiratory system
3A Corr. (≤4hr) A - Aspiration hazard
3B Corr. (≤1hr) T - Target Organ Toxicity
3C Corr. (≤3min) N - Neurotoxic
I - Immunotoxic
4 ≤5 ≤50 ≤0.5  

Column E Interference with other uses of the sea
E1 E2   E3
Tainting Physical effects on wildlife & benthic habitats Numerical rating Interference with Coastal Amenities
NT: not tainting (tested) Fp: Persistent Floater 0 no interference

no warning

T: tainting test positive F: Floater 1 slightly objectionable

warning, no closure of amenity

  S: Sinking Substances 2 moderately objectionable

possible closure of amenity

    3 highly objectionable

closure of amenity


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