Versions of Rhode Island General Laws 23-24.6-21. Laboratory testing and reporting requirement certification on LawServer 2023 Rhode Island General Laws 23-24.6-21. Laboratory testing and reporting requirement certification 2022 Rhode Island General Laws 23-24.6-21. Laboratory testing and reporting requirement certification 2020 Rhode Island General Laws 23-24.6-21. Laboratory testing and reporting requirement certification 2017 Rhode Island General Laws 23-24.6-21. Laboratory testing and reporting requirement certification 2016 Rhode Island General Laws 23-24.6-21. Laboratory testing and reporting requirement certification 2015 Rhode Island General Laws 23-24.6-21. Laboratory testing and reporting requirement certification 2015 Rhode Island General Laws 23-24.6-21. Laboratory testing and reporting requirement certification 2014 Rhode Island General Laws 23-24.6-21. Laboratory testing and reporting requirement certification 2013 Rhode Island General Laws 23-24.6-21. Laboratory testing and reporting requirement certification 2009 Rhode Island General Laws 23-24.6-21. Laboratory testing and reporting requirement certification