OSPAR COMMISSION

ANNEX A

The allocation of substance to Parts I, II and III below takes account of the following criteria:

a. persistence;

b. toxicity or other noxious properties;

c. tendency to bio-accumulation;

These criteria are not necessarily of equal importance for a particular substance or group of substances, and other factors, such as the location and quantities of the discharge, may need to be considered.

Part I

The following substances are included in this Part.

i Because they are not readily degradable or rendered harmless by natural processes; and

ii because they may either:

a. give rise to dangerous accumulation of harmful material in the food chain, or

b. endanger the welfare of living organisms causing undesirable changes in the marine eco-systems, or

c. interfere seriously with the harvesting of sea foods or with other legitimate uses of the sea; and

iii. because it is considered that pollution by these substances necessitates urgent action:

1. Organohalogen compounds and substances which may form such compounds in the marine environment, excluding those which are biologically harmless, or which are rapidly converted in the sea into substances which are biologically harmless.

2. Mercury and mercury compounds.

3. Cadmium and cadmium compounds.

4. Persistent synthetic materials which may float, remain in suspension or sink, and which may seriously interfere with any legitimate use of the sea.

5. Persistent oils and hydrocarbons of petroleum origin.

Part II

The following substances are included in this Part because, although exhibiting similar characteristics to the substances in Part I and requiring strict control, they seem less noxious or are more readily rendered harmless by natural processes:

1. Organic compound of phosphorous, silicon and tin, and substances which may form such compounds in the marine environment, excluding those which are biologically harmless, or which are rapidly converted in the sea into substances which are biologically harmless.

2. Elemental phosphorus.

3. Non-persistent oils and hydrocarbons of petroleum origin.

4. The following elements and compounds:

Arsenic, Lead

Chromium, Nickel

Copper, Zinc

5. Substances which have been agreed by the Commission as having a deleterious effect on the taste and/or smell of products derived from the marine environment for human consumption.

Part III

The following substances are included in this Part because, although they display characteristics similar to those of substances listed in Part I and should be subject to stringent controls with the aim of preventing and, as appropriate, eliminating the pollution which they cause, they are already the subject of research, recommendations and, in some cases, measures under the auspices of several international organisations and institutions; those substances are subject to the provisions of Article 5:

- Radioactive substances, including wastes.

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