B-2 – Area 4 - Assessment of Environmental Effects 39 Discharge Receiving Environment Alternative Methods of Discharge In this case, the temporary stockpiling activities will be subject to sediment and erosion control measures. This was considered the best practicable option (as well as the most efficient), as the excavated material will be reused on-site. Discharge of water to land for use as a dust suppressant. Refer to Section 2 of this AEE. Dust suppression is necessary to manage the effects of construction. While there are alternative dust suppression techniques available, such as the use of chemical sprays, the use of water is considered the best practice as it avoids introducing contaminants into the receiving environment. On this basis, no assessment of alternative methods of this discharge has been considered.
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