Paragraph 12
References to, or to the release into the air of, a substance listed in this paragraph are to any of the following substances—
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oxides of sulphur and other sulphur compounds;
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oxides of nitrogen and other nitrogen compounds;
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oxides of carbon;
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organic compounds and partial oxidation products;
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metals, metalloids and their compounds;
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asbestos (suspended particulate matter and fibres), glass fibres and mineral fibres;
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halogens and their compounds;
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phosphorus and its compounds;
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particulate matter.