NF X41-546*NF EN 330:2014 木材防腐劑. 涂層和暴露的非地面接觸條件下使用的木材防腐劑相對防護效果的測定. 現場試驗: L聯合法
Wood preservatives - Determination of the relative protective effectiveness of a wood preservative for use under a coating and exposed out-of-ground contact - Field test : L-joint method