... Commission,HMSO London, 19 91) 11 . Timber for Joinery, Digest 3 21 (Building Research Establishment, Garston, 19 87) 12 . Forest Nature Conservation Guidelines (Forestry Commission, HMSO London, 19 90 13 . A review ... Machynlleth, 19 94)5. Eco-Renovation: The ecological home improvement guide (Edward Harland, Green Books, Dartington, 19 93)6. The Green Construction Handbook Going Green (J T Design & Build, 19 93)7. ... inhalation or ingestion. 11 ,15 Chronic exposure has been shown to result in skin symptoms such as rashes 10 , 15 , 1 7 (pemphigus vulgaris, chronic urticaria and chloracne). 10 , 17 Chloracne has...