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Release of Copper from Pressure Treated Wood
2016 - IRG/WP 16-20584
Micronized copper based wood preservatives including micronized copper quat (MCQ) and micronized copper azole (MCA) have been introduced commercially to the North American market since 2006 as alternatives to alkaline copper quat (ACQ) or soluble copper azole (CA) preservatives. Unlike ACQ or CA, MCQ and MCA use dispersed particulate copper particles rather than soluble ionic copper to make treat...
Jun Zhang, J Horton


Bio-deterioration of Southern Pine Stakes at Geographically Different Testing Sites
2017 - IRG/WP 17-20609
Southern pine (SP) sapwood is commonly used in preparing the standardized stakes for performance testing as referenced in the American Wood Protection Association (AWPA) Book of Standards. For example, the standardized above ground test methods E16/E18 and the standardized ground contact test method E7 all use sapwood of SP as the preferred wood species for preservative performance test. In this...
Jun Zhang, J Horton