BS EN 1014-4:1996 Wood preservatives. Creosote and creosoted timber. Methods of sampling and analysis-Determination of the water extractable phenols content of creosote
2010BS EN 1014-4:2010 Wood preservatives - Creosote and creosoted timber - Methods of sampling and analysis - Determination of the water-extractable phenols content of creosote
1996BS EN 1014-4:1996 Wood preservatives. Creosote and creosoted timber. Methods of sampling and analysis-Determination of the water extractable phenols content of creosote