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Environmental risk assessment of preservative treated wood
1998 - IRG/WP 98-50101-19
This paper reviews the status of the environmental risk assessment of preservative treated wood and confirms the distinction between the risks presented by wood preservatives and preservative treated wood. The paper proposes a tiered approach to risk assessment and discusses the rationale. Flowcharts are presented which summarise the tiered approach to risk assessment, show the tests required, and...
E F Baines, S J Davis


Re Questionnaire: The use of computers in wood preservation research
1985 - IRG/WP 2239
A questionnaire (Document No: IRG/WP/2240) concerning the use of computers in wood preservation research is introduced. Completing and returning the questionnaire will allow information to be collated on the usage of computers and computer programmes...
E F Baines


Testing wood in ground contact: An artificial soil
1977 - IRG/WP 280
This document is an interim report on the development of the artificial soil medium. It includes some information on the relationship between soil, wood and water which is of relevance in testing....
E F Baines, D J Dickinson, J F Levy


A review of environmental emissions from building and construction materials in comparison with preserved wood
2005 - IRG/WP 05-50224-11
A review of the public domain literature concerning emissions to the environment from materials which are used in the construction of buildings (e.g. Concrete, Asphalt, Galvanised Steel), in comparison with preserved wood, and a review of the approaches taken by the construction sector in assessing the risk from environmental emissions, in comparison with the approaches taken by the wood preservat...
E F Baines


Questionnaire: The use of computers in wood preservation research
1985 - IRG/WP 2240
E F Baines


Environmental risk assessment of treated timber in service: The Environment Focus Group approach
2000 - IRG/WP 00-50162
In the context of the Biocidal Products Directive (98/8/EC), and of the OECD work on wood preservatives, the Environment Focus Group (EFG), comprising 8 institutes and the European Wood Preservative Manufacturers Group, has been working on the environmental risk assessment of treated timber in service. A literature review of emissions from treated timber has revealed that very little existing data...
G Deroubaix, G Labat, I Le Bayon, S Legay, P Marchal, C Yrieix, E Melcher, R-D Peek, S De Geyter, J Van Acker, W J Homan, D J Dickinson, R J Murphy, E D Suttie, A J Nurmi, A-C Ritschkoff, D Rudolph, I Stephan, D Aston, E F Baines, J B Simonin


A laboratory technique to measure the performance of preservative treated hardwoods in ground contact
1982 - IRG/WP 2172
A laboratory technique to measure the performance of preservative treated timber in ground contact is described. It uses partially sealed blocks of timber which are treated, leached and sawn into small stakelets for soil exposure in a fungal cellar. Performance is monitored by the loss of static bending strength with time, and a simple apparatus for measuring the deflection of a stakelet under a l...
E F Baines


The EWPMG proposal for the environmental risk assessment of wood preservatives
2001 - IRG/WP 01-50166-09
This paper reviews the protocol prepared by the European Wood Preservative Manufacturer's Group, which could be used by an applicant for product approval under the Biocidal Products Directive 98/8/EC, to produce a risk assessment for an active substance or product in the Product Type 8 Wood Preservatives, in support of the application. The background and scope of the protocol are reviewed...
E F Baines


A review of the current status of the estimation of emissions from preserved wood and their use in the environmental risk assessment of wood preservatives under the Biocidal Products Directive
2005 - IRG/WP 05-50224-7
A review and update of the status of the issues concerning the estimation of emissions from preserved wood (e.g. amendments to the proposed ‘OECD Guidelines’), and the environmental risk assessment of wood preservatives under the Biocidal Products Directive (e.g. compartmental sizes, emissate ecotoxicity testing)....
E F Baines


Alternative methodology for the environmental impact assessment of treated wood: the wood emissions ecotoxicology
2000 - IRG/WP 00-50161
Preservative products and technologies are important for optimising the use of wood and wood products in our society. The regulations of their use under the european Biocidal Products Directive 98/8/EC will require an evaluation of the environmental impact of treated wood. The methodology currently used for this determination is the PEC/PNEC ratio. It consists of calculating PEC values (Predictive...
P Marchal, H W Wegen, J Van Acker, E Melcher, R-D Peek, W J Homan, D Aston, D Rudolph, E F Baines


Refinement of emission values for preserved wood in the ‘Storage Scenario’, for use in the environmental risk assessment of Wood Preservatives under the Biocidal Products Directive
2007 - IRG/WP 07-50244
The evaluation of an active substance or a biocidal product under the Biocidal Products Directive (BPD) requires that an environmental risk assessment is carried out. The risk assessment for wood preservatives includes a scenario for the treated wood in storage after treatment, in which the predicted environmental concentration (PEC) in soil, surface water and groundwater is calculated, using emis...
E F Baines


Emission Rates of Active Substances from Preserved Wood in Use Class 3
2008 - IRG/WP 08-50256
The evaluation of an active substance or a biocidal product under the Biocidal Products Directive (BPD) requires that an environmental risk assessment is carried out. The risk assessment for wood preservatives includes scenarios for preserved wood (e.g. cladding on a house), in which the predicted environmental concentration (PEC) in soil is calculated, using an emission rate for the active subs...
E F Baines


Antifungal and wood preservative efficacy of IPBC is enhanced by α - aminoisobutyric acid
2010 - IRG/WP 10-30544
There is currently a need to reduce the biocide content of wood preservatives, without decreasing efficacy. The nonmetabolised amino acid analogue α-aminoisobutyric acid (AIB) acts as a translocated inhibitor of mycelial spread in basidiomycete wood decay fungi, although it does not kill the organism. Factorial combinations of AIB with either the azole fungicide tebuconazole, or 3-iodo-2-...
P Bota, E Baines, A Mead, S C Watkinson