2023 Indiana Code 24-4-11-4. “Certified industrial hygienist (CIH)” defined

2022 Indiana Code 24-4-11-4. “Certified industrial hygienist (CIH)” defined

2021 Indiana Code 24-4-11-4. “Certified industrial hygienist (CIH)” defined

2020 Indiana Code 24-4-11-4. “Certified industrial hygienist (CIH)” defined

2019 Indiana Code 24-4-11-4. “Certified industrial hygienist (CIH)” defined

2018 Indiana Code 24-4-11-4. “Certified industrial hygienist (CIH)” defined

2017 Indiana Code 24-4-11-4. “Certified industrial hygienist (CIH)” defined

2016 Indiana Code 24-4-11-4. “Certified industrial hygienist (CIH)” defined

2015 Indiana Code 24-4-11-4. “Certified industrial hygienist (CIH)” defined

2014 Indiana Code 24-4-11-4. “Certified industrial hygienist (CIH)” defined

2013 Indiana Code 24-4-11-4. “Certified industrial hygienist (CIH)” defined

2009 Indiana Code 24-4-11-4. “Certified industrial hygienist (CIH)” defined