Site-specific Assessments of Environmental Effects

B-2 – Area 2 - Assessment of Environmental Effects 37 3.5 LIGHTING Lighting will be established around the Willows Road site to provide for activities outside of daylight hours. This will include fixed pole and building mounted lighting and the use of mobile lighting plant to support construction and servicing activities. Mobile lighting plant will be operated in accordance with OGNZL’s Standard Operating Procedure for Towing and Setting up Lighting Plants. This procedure includes a note to “Do not shine towards a public road or buildings”. All lighting will be designed, located and directed so that the level of artificial lighting measured at the boundary of any privately owned property (or property not subject to an agreement with OGNZL) is no greater than 8.0 Lux.6 3.6 STORAGE AND USE OF HAZARDOUS SUBSTANCES Table 1 lists the hazardous substances that will be stored within Area 2 for use as part of the Willows SFA. The storage of hazardous substances will be consistent with the current and approved practices for Waihi SFA. Table 1: Hazardous Substance Volumes and Classifications. Substance Hazard Classification Post 2021 Proposed maximum volume Storage Location ANFO (UN 0082) 1.1D - Substances and articles that have a mass explosion hazard Acute toxicity Category 4 (oral route) Eye irritation Category 2 Carcinogenicity Category 2 Hazardous to the aquatic environment chronic Category 4 7,350 kg Explosive magazines (max 1,300 kg in any magazine) 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 6 Note this is consistent with the lighting requirements at OGNZL’s existing mining operations. Refer to Section 2 of the AEE for a description of the existing mining activities.

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