Hon Robin Chapple questions the amount of waste buried at the Dalyellup Residue Disposal Facility, operated by Millennium Organic Chemicals. The Minister provides estimated quantities for each pond and future storage expectations.

AnsweredQoN 624Legislative Council
Asked
9 May 2002
Portfolio
the Environment and Heritage

QuestionView source ↗

I refer to the Dalyellup Residue Disposal Facility, sited south of Bunbury and operated by Millennium Organic Chemicals as a disposal site for mine and process waste -
(1) What is the total quantity of waste buried in deactivated pond N1?
(2) What is the total quantity of waste buried in deactivated pond N2?
(3) What is the total quantity of waste buried in pond N3?
(4) What is the total quantity of waste buried in pond S1?
(5) What is the total quantity of waste buried in pond S2?
(6) What is the total quantity of waste buried in pond S3?
(7) What is the Government’s expectation of the total quantity of waste which will eventually be stored at this site at the time of decomissioning?

AnswerView source ↗

Answered
18 June 2002
Responded by
Minister for Housing and Works representing the Minister for the Environment and Heritage
Response time
40 days
The Minister for the Environment and Heritage has been advised by the Department of Environmental Protection as follows:
1.
Approximately 30,976 tonnes (dry weight).
2.
Approximately 50,324 tonnes (dry weight).
3.
As pond N3 is currently being used, it is estimated that as at 1 June 2002, approximately 38,808 tonnes (dry weight) of material will have been deposited into this pond.
4.
Approximately 49,386 tonnes (dry weight).
5.
Approximately 49,386 tonnes (dry weight).
6.
As pond S3 is currently being used, it is estimated that as at 1 June 2002, approximately 38,808 tonnes (dry weight) of material will have been deposited into this pond.
7.
Approximately 426,743 tonnes (dry weight) based on 20,000 tonnes (dry weight) disposal per annum until 2010.

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