Versions of See prior versions of a law on LawServer 2024 Iowa Code 15.335C – Wage thresholds for brownfield and grayfield projects and economically distressed areas 2023 Iowa Code 15.335C – Wage thresholds for brownfield and grayfield projects and economically distressed areas 2022 Iowa Code 15.335C – Wage thresholds for brownfield and grayfield projects and economically distressed areas 2020 Iowa Code 15.335C – Wage thresholds for brownfield and grayfield projects and economically distressed areas 2018 Iowa Code 15.335C – Wage thresholds for brownfield and grayfield projects and economically distressed areas 2016 Iowa Code 15.335C – Wage thresholds for brownfield and grayfield projects and economically distressed areas 2014 Iowa Code 15.335C – Economically distressed areas.