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Assessment of losses of wood preservatives from treated wood by leaching into the environment
1993 - IRG/WP 93-50001-13
Wood preservative chemicals may be lost from treated timber by leaching into water or soil. The degree to which this might occur and its effect on the environment is difficult to assess quantitatively due to the absence of appropriate test methods. This paper describes work to assess test methodology capable of allowing the rates of loss of wood preservative from treated timber to be quantified. T...
R J Orsler, G E Holland

Preliminary attempts towards the development of a small scale termite rearing chamber. Progress report
1983 - IRG/WP 1203
The results suggest that there is no evidence that the volume of the rearing chamber plays a part in the settlement of a colony. These rearing chambers present a factor of productivity (final enumeration)/(initial enumeration) of roughly 2 after one year. 90% of the colony survived. This method of breeding can be considered as feasible and cheap....
M Argoud, J C Palla, R Sternalsky

Development of marine borers research in Sao Paulo State, Brazil
1985 - IRG/WP 4117
This paper describes some field tests which have been carried on marine sites in Sao Paulo State mainly to investigate the natural resistance of Brazilian woods and the occurrence of marine borers. Some laboratory breeding tests which are being developed are also describe...
G A C Lopez

Laboratory investigations about the mobility of some inorganic wood preservatives in soils
1998 - IRG/WP 98-50101-22
Wood preservatives and components of wood preservatives leached from impregnated wood can enter the soil and thus contribute to the pollution of the groundwater. However, there is lack of understanding concerning the interacting parameters of wood preservative, leachate, soil and soil solution. To characterise of the behaviour of active ingredients and for the assessment of their environmental imp...
E Melcher, R-D Peek

Chlorodioxins in pentachlorophenol
1975 - IRG/WP 346 E
At the 6th meeting of the IRG/WP plenary group held on 20 June, 1974, in Vienna, Mr Richardson expressed some concern about dioxins which might be contained as impurities in pentachlorophenol and in sodium pentachlorophenoxide or which might be formed during the combustion of treated wood. He mentioned the malformations that have been noted in Vietnam due to the teratogenic action of the 2, 3, 7, ...
H Alliot

Migration of active ingredients from treated timber into fresh water
1991 - IRG/WP 3669
Spruce roundwoods and segments were treated with three different wood preservatives. Two of them containing copper and chromium the other one free of chromium. After fixation (3 weeks, 20°C) the specimens were leached by using artifical rain or by shaking the segments for one hour in contact with demineralized water. The water was analysed for the relevant elements of the preservative tested. Lea...
H Klipp, H Willeitner, K Brandt, A Müller-Grimm

Environmental issues: Messages for the wood preservation industry
1985 - IRG/WP 3353
A review of the origins and structure of environmental legislation throughout those territories of the world where wood preservation is a major industry is given. The implications of media, industry and legislation interaction is discussed and suggestions made as to the key issues the wood preservation industry should concentrate its attentions on in the immediate future....
D G Anderson, P Waldie

Microbial biofouling of 10-40% naphthalene in creosote treated and untreated wooden pilings in the marine environment
1978 - IRG/WP 442
R R Colwell, P L Fish, D A Webb, A J Emery

Records of the 2nd International Symposium "The Challenge Safety and Environment
1993 - IRG/WP 93-50001 Addendum
IRG Secretariat

Development of a Granitgard® particulate termite barrier for use in tropical Australia
1997 - IRG/WP 97-10190
Granitgard® is superficially simple technology; graded crushed aggregate, sieved to a size range impenetrable to subterranean termites. However, behind this apparent simplicity lies a large research effort. In this paper we describe the laboratory development of a grading of Granitgard suitable for use against the wide range of termites which attack timber in northern Australia, above the Tropic ...
D M Ewart, E R Rawlinson, A D Tolsma, G C Irvin, P R Wiggins

An introduction to environmental aspects of groundwater arsenic and CCA treated wood poles in Bangladesh
1997 - IRG/WP 97-50081
The environment comprises biosphere, lithosphere, atmosphere and hydrosphere. Therefore, environmental science is a multi-disciplinary study, includes life sciences, physical sciences, chemical sciences, geology, geography, meteorology, forestry, agriculture, soil science, hydrology, ecology, public health, engineering etc. Tremendous industrial and mining activities, deforestation and population ...
A K Lahiry

Comparative evaluation of the barrier effect against Hylotrupes bajulus L. of different types of wood preservative
1986 - IRG/WP 1307
This paper settles the difference of contact action against females of Hylotrupes bajulus the likelihood of egg-laying, the ovicide effect and the hazards of development of newly hatched larvae between some preservatives belonging to three differents types: mineral waterborne products, organic products and emulsions. The results show that against females, the action is fast with organic products, ...
M-M Serment

Development of novel techniques for evaluating the feeding rate of Limnoria lignorum with specific reference to temperature influences
1999 - IRG/WP 99-10325
The faecal pellet production of Limnoria lignorum placed into repli-dish chambers containing seawater and a small chip of untreated Corsican pine (Pinus nigra) was observed. The repli-dishes were kept at a range of constant temperatures between 10 and 25°C and the number of faecal pellets produced by each of the animals was monitored. It was found that faecal pellet length generally increased wit...
A Praël, S M Cragg, R A Eaton

Proposal for further work on environmental questions
1988 - IRG/WP 3494
Although very much is known about the environmental and health and safety aspects on various wood preservatives and treated wood knowledge is still lacking on some important issues. Some examples are: - The fate of wood preservatives in the environment, eg by leaching from treated wood and contaminated soil; - How big is the "problem" of pollution, etc from the wood preserving industry in comparis...
J Jermer, M-L Edlund

A collaborative test to determine the efficacy of polyurethane coatings on wood samples exposed in the marine environment
1984 - IRG/WP 4113
Aims are: a) to determine the effectiveness of elastomeric polyurethane as a protective coating against marine wood boring animals in a range of tropical and tempreate sites; b) to compare the adhesion of polyurthane coatings on different wood species exposed in seawater; c) to record the severity of attack in failed samples and to identify the causal marine organisms....
R A Eaton

The role of communication in the field of environment protection: A case study "Wood Protection"
1990 - IRG/WP 3574
L Wöss

Preliminary attempts towards the development of a small-scale termite rearing chamber
1982 - IRG/WP 1148
The paper suggests how to prepare a small-scale rearing chamber for termites which might be used for testing the effectiveness of possible termiticides. A technique for breeding the termites is suggested....
M Argoud, J Mocotte, R Sternalsky

Biocides - Efficacy assessment and doses for wood preservatives (product type 8). Local/geographical aspects. Termite control as case study
1999 - IRG/WP 99-20181
Currently, the efficacy of a wood preservative, as biocidal product type 8, is assessed as a ‚critical value' (CV), an efficient dose (retention in wood at a given depth of penetration). CVs are planned to be adapted for exposure to basic target organisms (5 hazard classes) and additional requirements concerning the occurrence of local target organisms in relation with climate, building...
G Ozanne

Wood preservation and the environment: A Canadian perspective
1990 - IRG/WP 3577
The non-pressure (surface) and pressure treatment of wood impacts on the environment in four ways. These are: through the production of treated wood at sawmills and pressure treating facilities; during the storage of treated wood prior to use; when the pressure treated wood is placed in service; and finally, when the treated product reaches the end of its useful life and must be disposed. By refer...
J N R Ruddick

Safety clearance of wood preservatives in United Kingdom
1977 - IRG/WP 398
In the United Kingdom the principal route of control of pesticides is through the Pesticides Safety Precautions Scheme (PSPS) which is a non-statutory scheme agreed between government ministries and departments (referred to as "Departments") and associations representing the pesticide industries. The scheme formally began in 1957 covering those pesticides and related substances used in agriculture...
J M Baker

Influence of bark damage on bluestain development in pine logs
1997 - IRG/WP 97-10197
Mechanized harvesting of conifers can lead to extensive bark damage, with the resulting wounds providing suitable entry points for bluestain fungi that are not associated with bark beetle vectors. However, the amount of bluestain colonisation can vary greatly between the different types of wound. To evaluate the effect of wound type seven different types of wounds were artificially created on fres...
A Uzunovic, J F Webber, D J Dickinson

Biodegradation of creosote/naphthalene-treated wood in the marine environment
1977 - IRG/WP 428
The present study was undertaken to determine the biodegradability of marine grade creosote and selected components, including naphtalene, and to determine the effectiveness of (up to 40%) creosote in protecting wood from microbial attack. Also, the impact(s) of creosote and naphtalene-enriched creosote on the microbial ecology os estuarine environments was examined....
P A Seesman, R R Colwell, A Zachary, A J Emery

Some biological observations on the management of preservativion experiments with submerged timber in the marine environment
1976 - IRG/WP 421 E
P Deschamps

Safety technique in wood preservation
1974 - IRG/WP 54
S N Gorshin, I G Krapivina, B I Telryatnikova

A baiting technique to monitor the development and control of decay in transmission poles
1981 - IRG/WP 2149
P I Morris, D J Dickinson

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