(1)  The Director, by order, may make a technical standard.

(2)  The Director, by order, may amend a technical standard.

(3)  The Director, by order, may revoke a technical standard.

(4)  The Director, before making, amending or revoking a technical standard, may consult with any person as the Director thinks fit.

(5)  A technical standard, an amendment of a technical standard or a revocation of a technical standard under this section comes into effect –

(a) on the day on which notice of the technical standard, amendment or revocation appears in the Gazette , unless paragraph (b) applies in relation to the technical standard, amendment or revocation; or

(b) on a later day specified in the amendment or revocation as the day on which the technical standard, amendment or revocation comes into effect.

(6)  The Director is to revoke under subsection (3) a technical standard if the environmental standard, State Policy, Environment Protection Policy, or National Environment Protection Measure, for the purposes of which the technical standard was made, is revoked or expires.