❓ This WA parliamentary question seeks detailed information from Alcoa and Worsley Alumina regarding their mining operations, rehabilitation efforts, residue disposal, and production volumes. It aims to understand the environmental impact and sustainability of their alumina production.
AnsweredQoN 2001Legislative Council
QuestionView source ↗
For each of Alcoa World Alumina and Worsley Alumina Pty Ltd -
(1) How many hectares are currently mined each year?
(2) What is the total area mined to date?
(3) How many hectares have been rehabilitated to date?
(4) How much of the total area mined was native forest?
(5) How much of this area has been rehabilitated with jarrah forest species?
(6) What is the current annual production of -
(a) bauxite; and
(b) alumina?
(7) How many hectares are currently used as Residue Disposal Areas each year?
(8) What is the total area of Residue Disposal Areas?
(9) How much residue is currently produced each year?
(10) What is the total amount of residue produced to date?
(11) For how much longer does its mining lease extend?
(1) How many hectares are currently mined each year?
(2) What is the total area mined to date?
(3) How many hectares have been rehabilitated to date?
(4) How much of the total area mined was native forest?
(5) How much of this area has been rehabilitated with jarrah forest species?
(6) What is the current annual production of -
(a) bauxite; and
(b) alumina?
(7) How many hectares are currently used as Residue Disposal Areas each year?
(8) What is the total area of Residue Disposal Areas?
(9) How much residue is currently produced each year?
(10) What is the total amount of residue produced to date?
(11) For how much longer does its mining lease extend?
AnswerView source ↗
Answered
22 June 2004
Responded by
Parliamentary Secretary representing the Minister for State Development
Response time
42 days
(b) alumina?
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