Site-specific Assessments of Environmental Effects

B-2 – Area 2 - Assessment of Environmental Effects 38 Substance Hazard Classification Post 2021 Proposed maximum volume Storage Location Packaged explosive (UN 0241) 1.1D - Substances and articles that have a mass explosion hazard Acute toxicity Category 4 (oral route) Skin irritant Category 1 Eye irritation Category 2 Reproductive toxicant Category 3 Specific target organ toxicity – repeated exposure Category 1 Hazardous to the aquatic environment Category 1 Harmful to terrestrial vertebrates Detonators (UN 0030 / UN 0456 / UN 0360) 1.1B - Substances and articles that have a mass explosion hazard 10 kg (10,000 articles) Explosive magazine (separate to others) Diesel Flammable liquids Category 4, Aspiration hazard Category 1, See Note 1 Carcinogenicity Category 2, Hazardous to the aquatic environment chronic Category 2 80,000 L Services bay 6,000 L7 Underground 550 L Generator tank 150 L Fire pump Ammonium nitrate emulsion (ANE) Oxidising liquids Category 2 Aspiration hazard Category 1, Eye irritation Category 2 Hazardous to the aquatic environment chronic Category 4 40,800 kg Oxidiser storage area Gasser Acute oral toxicity Category 4 Eye irritation Category 2 Skin sensitisation Category 1 Germ cell mutagenicity Category 2 Specific target organ toxicity – repeated exposure Category 2 8,000 L Oxidiser storage area Lime Skin corrosion Category 1C Serious eye damage Category 1 70,000 kg Lime silo 7 This quantity is inclusive of that stored underground in Area 1

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