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The Control of Major Accident Hazards Regulations 1999
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PART 3Categories of Substances and Preparations not specifically named in Part 2
| Column 1 | Column 2 | Column 3 |
|---|---|---|
| Categories of dangerous substances | Quantity in tonnes | |
1. VERY TOXIC | 5 | 20 |
2. TOXIC | 50 | 200 |
3. OXIDISING | 50 | 200 |
4. EXPLOSIVE (where the substance or preparation falls within the definition given in Note 2(a)) | 50 | 200 |
5. EXPLOSIVE (where the substance or preparation falls within the definition given in Note 2(b)) | 10 | 50 |
6. FLAMMABLE (where the substance or preparation falls within the definition given in Note 3(a)) | 5,000 | 50,000 |
7a. HIGHLY FLAMMABLE (where the substance or preparation falls within the definition given in Note 3(b)(i)) | 50 | 200 |
7b. HIGHLY FLAMMABLE liquids (where the substance or preparation falls within the definition given in Note 3(b)(ii)) | 5,000 | 50,000 |
8. EXTREMELY FLAMMABLE (where the substance or preparation falls within the definition given in Note 3(c)) | 10 | 50 |
9. DANGEROUS FOR THE ENVIRONMENT in combination with risk phrases: (i)R50: “Very toxic to aquatic organisms” | 200 | 500 |
(ii)R51: “Toxic to aquatic organisms”; and R53: “May cause long-term adverse effects in the aquatic environment” | 500 | 2,000 |
10. ANY CLASSIFICATION not covered by those given above in combination with risk phrases: (i)R14: “Reacts violently with water” (including R14/15) | 100 | 500 |
(ii)R29: “in contact with water, liberates toxic gas” | 50 | 200 |
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