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AWPA A70-12
- Standard Method to Determine the Penetration of Pentachlorophenol Using a Silver-Copper Complex Known as Penta-Check
- standard by American Wood Protection Association, 05/01/2012
- Publisher: AWPA
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This standard is employed to determine the penetration depth of pentachlorophenol [sometimes abbreviated "penta"] containing preservatives where the wood has been treated with pentachlorophenol dissolved in light-colored Hydrocarbon Solvent Type A or Hydrocarbon Type C of AWPA Standard P9 into treated wood to decide whether the treated product meets acceptance levels as prescribed in treatment standards.