Ammoniacal Copper Zinc Arsenate Preservative Treated Wood Ties Their Performance in Testing and Track
IRG/WP 14-30636
T Carey
While not a new preservative system, Ammoniacal Copper Zinc Arsenate (ACZA), had not previously been used to protect crossties. Its performance in treating difficult or refractory species of wood has been documented through its wide range of uses approved in AWPA. The establishment of appropriate testing for railroad material use was put in place and includes laboratory, field as well as commercial treatment and usage, show that ACZA treated wood tie species is a beneficial consideration in the protection of wood railroad material.
Keywords: ammoniacal copper zinc arsenate, ACZA, railroad material