(1) The tax levied by RCW
82.08.020 does not apply to the sales of medical supplies, chemicals, or materials to an organ procurement organization exempt under RCW
82.04.326. This exemption does not apply to the sale of construction materials, office equipment, building equipment, administrative supplies, or vehicles.
(2) The definitions in this subsection apply throughout this section unless the context clearly requires otherwise.
(a) "Chemical" means any catalyst, solvent, water, acid, oil, or other additive that physically or chemically interacts with blood, bone, or tissue.
(b) "Materials" means any item of tangible personal property including, but not limited to, bags, packs, collecting sets, filtering materials, testing reagents, antisera, and refrigerants, used or consumed in performing research on, procuring, testing, processing, storing, packaging, distributing, or using blood, bone, or tissue.
(c) "Medical supplies" means any item of tangible personal property, including any repair and replacement parts for such tangible personal property, used by an organ procurement organization exempt under RCW
82.04.326 for the purpose of performing research on, procuring, testing, processing, storing, packaging, distributing, or using blood, bone, or tissue. The term includes tangible personal property used to:
(i) Provide preparatory treatment of blood, bone, or tissue;
(ii) Control, guide, measure, tune, verify, align, regulate, test, or physically support blood, bone, or tissue; or
(iii) Protect the health and safety of employees or others present during research on, procuring, testing, processing, storing, packaging, distributing, or using blood, bone, or tissue.