b7af9dea_nnual_Report_and_Accounts_2011__Description
[Principle] Emphasis on environmental stewardship throughout life cycles of operations [Description] 
Petra places a great deal of emphasis on environmental stewardship throughout the life cycle of its operations – from exploration to closure. The Company will, as a minimum, comply with the environmental regulations in the countries in which it operates and will implement environmental management and auditing systems based on good practice.
Petra Diamonds Limited Annual Report and Accounts 2011
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