Although new treated wood is tagged or stamped with the product's chemical composition, these marks are often lost by the time the wood is removed from service.
(new treated wood; is tagged; ) (new treated wood; stamped; with the product's chemical composition) (these marks; are lost; T:by the time; T:often) (the wood; is removed; from service; T:the time)
new treated wood new treated wood these marks the wood
is tagged stamped are lost is removed
with the product's chemical composition
T:by the time T:often
from service T:the time