The Senior Investigator varied the decision of the EPA. He affirmed its decision to refuse access to much of the information in the relevant records on the basis of sections 29, 31(1)(a), 36(1)(b) and 37(1) of the Act, with the exception of a small amount of information to which he found section 36(1)(b) did not apply. He also affirmed its decision to refuse access to any further records relevant to the applicants request on the basis that they did not exist or could not be found.