Versions of Washington Code 82.08.02568 - Exemptions -- Sales of carbon and similar substances that become an ingredient or component of anodes or cathodes used in producing aluminum for sale on LawServer 2023 Washington Code 82.08.02568 – Exemptions — Sales of carbon and similar substances that become an ingredient or component of anodes or cathodes used in producing aluminum for sale 2022 Washington Code 82.08.02568 – Exemptions–Sales of carbon and similar substances that become an ingredient or component of anodes or cathodes used in producing aluminum for sale 2020 Washington Code 82.08.02568 – Exemptions — Sales of carbon and similar substances that become an ingredient or component of anodes or cathodes used in producing aluminum for sale 2019 Washington Code 82.08.02568 2018 Washington Code 82.08.02568 – Exemptions — Sales of carbon and similar substances that become an ingredient or component of anodes or cathodes used in producing aluminum for sale 2016 Washington Code 82.08.02568 – Exemptions–Sales of carbon and similar substances that become an ingredient or component of anodes or cathodes used in producing aluminum for sale 2015 Washington Code 82.08.02568 – Exemptions–Sales of carbon and similar substances that become an ingredient or component of anodes or cathodes used in producing aluminum for sale 2014 Washington Code 82.08.02568 – Exemptions — Sales of carbon and similar substances that become an ingredient or component of anodes or cathodes used in producing aluminum for sale 2013 Washington Code 82.08.02568 – Exemptions — Sales of carbon and similar substances that become an ingredient or component of anodes or cathodes used in producing aluminum for sale 2009 Washington Code 82.08.02568 – Exemptions — Sales of carbon and similar substances that become an ingredient or component of anodes or cathodes used in producing aluminum for sale