36Background level of waste or substances

36 Background level of waste or substances For the purposes of this Part, the background level of waste, a chemical substance or a prescribed substance in relation to land is— S. 36(a) substituted by No. 36/2022 s. 28. (a) the background level in relation to the waste, chemical substance or prescribed substance specified in or determined in accordance with— (i) an environment reference standard; or (ii) the regulations; or (iii) a determination made by the Authority in accordance with the regulations; or S. 36(b) substituted by No. 36/2022 s. 28. (b) if paragraph (a) does not apply, the naturally occurring concentration of the waste, chemical substance or prescribed substance on or under the surface of the land in the vicinity of the land. S. 37 inserted by No. 39/2018 s. 7 (as amended by Nos 27/2019 ss 12−30, 3/2020 ss 42–44, 47/2020 s. 26).