Scope:This Standard provides procedures for quality control at wood preserving plants of industrial products, including but not
limited to poles, crossarms, piling, ties, timbers, round posts and composite wood products. These products are generally
produced to the user's written specifications and supplied directly to the user or through distributors to industrial contractors. This
standard contains minimum requirements for the treating plant quality control to monitor the treating plant and process, sample
treated products and determine conformance to the applicable portions of Standards U1 and T1 or other written product quality
specifications.