This standard specifies requirements for two types of waterborne preservatives containing mixtures of compounds of copper (Ⅱ), chromium (Ⅵ) and arsenic (Ⅴ) for application to timber to protect it against attack in service by wood-destroying organisms.
NOTE 1 Test methods are given in annex A and annex B and guidance on methods of timber treatment is given in annex C.
NOTE 2 The preparations are not necessarily suitable for all wood preservation applications. Advice on their suitability is given in BS 1282 and in commodity specifications and codes of practice for timber preservation.
BS 4072:1999 history
1999BS 4072:1999 Copper/chromium/arsenic preparations for wood preservation