Exemptions—Use of carbon and similar substances that become an ingredient or component of anodes or cathodes used in producing aluminum for sale.
The provisions of this chapter shall not apply in respect to the use of carbon, petroleum coke, coal tar, pitch, and similar substances that become an ingredient or component of anodes or cathodes used in producing aluminum for sale.
NOTES:
Effective date—1996 c 170: See note following RCW
82.08.02568.