Versions of Iowa Code > Chapter 686B - Asbestos and Silica Claims Priorities on LawServer 2023 Iowa Code > Chapter 686B – Asbestos and Silica Claims Priorities 2022 Iowa Code > Chapter 686B – Asbestos and Silica Claims Priorities 2020 Iowa Code > Chapter 686B – Asbestos and Silica Claims Priorities 2018 Iowa Code > Chapter 686B – Asbestos and Silica Claims Priorities