B-6 – Area 6 – Assessment of Environmental Effects 34 Table 2: Hazardous substance volumes and classifications. Substance (UN number) Hazard Classification (Post-2021) Proposed maximum volume Proposed Location ANFO (UN 0082) 1.1D - Substances and articles that have a mass explosion hazard Acute toxicity Category 4 (oral route) (See Note 1) Eye irritation Category 2 Carcinogenicity Category 2 Hazardous to the aquatic environment chronic Category 4 6,400 kg NEQ Surface magazines – Split between 5 magazines Booster (UN 0042) 1.1D - Substances and articles that have a mass explosion hazard Acute toxicity Category 3 (oral, dermal and inhalation route) Specific target organ toxicity – single exposure Category 2 Hazardous to the aquatic environment chronic Category 2 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 12,000 units (12 kg NEQ) In one magazine LPG Flammable gas Category 1 80,000 L Two pressure vessels (40,000 L each), east of the Processing Plant (across the Ohinemuri River),
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