Versions of See prior versions of a law on LawServer 2024 North Carolina General Statutes 143B-300. Water Pollution Control System Operators Certification Commission – creation; powers and duties 2023 North Carolina General Statutes 143B-300. Water Pollution Control System Operators Certification Commission – creation; powers and duties 2022 North Carolina General Statutes 143B-300. Water Pollution Control System Operators Certification Commission – creation; powers and duties 2021 North Carolina General Statutes 143B-300. Water Pollution Control System Operators Certification Commission – creation; powers and duties. 2020 North Carolina General Statutes 143B-300. Water Pollution Control System Operators Certification Commission – creation; powers and duties. 2019 North Carolina General Statutes 143B-300. Water Pollution Control System Operators Certification Commission – creation; powers and duties. 2018 North Carolina General Statutes 143B-300. Water Pollution Control System Operators Certification Commission – creation; powers and duties 2018 North Carolina General Statutes 143B-300. Water Pollution Control System Operators Certification Commission – creation; powers and duties 2017 North Carolina General Statutes 143B-300. Water Pollution Control System Operators Certification Commission ? creation; powers and duties 2016 North Carolina General Statutes 143B-300. Water Pollution Control System Operators Certification Commission ? creation; powers and duties 2015 North Carolina General Statutes 143B-300. Water Pollution Control System Operators Certification Commission ? creation; powers and duties 2014 North Carolina General Statutes 143B-300. Water Pollution Control System Operators Certification Commission – creation; powers and duties 2013 North Carolina General Statutes 143B-300. Water Pollution Control System Operators Certification Commission – creation; powers and duties 2010 North Carolina General Statutes 143B-300 – Water Pollution Control System Operators Certification Commission – creation; powers and duties 2008 North Carolina Laws 143B-300 – Water Pollution Control System Operators Certification Commission – creation; powers and duties