IRG Documents Database and Compendium


Search and Download IRG Documents:



Between and , sort by


Displaying your search results

Your search resulted in 3427 documents. Displaying 25 entries per page.


Proceedings from the wood preservation symposium "The Challenge - Safety and Environment" 19-20 February 1990, Cannes, France
1990 - IRG/WP 3600
Contains the List of Participants and the following 29 Documents (IRG/WP/3562-3590): Canadian code of good practices - Recommendations for design and operation of wood preservation facilities. (IRG/WP/3582) Current models used by the European health authorities to evaluate the vililization of active ingredients from treated wood used inside dwellings. (IRG/WP/3565) Creosote and cancer. (IRG/WP/...
Anonymous


The multi-phase pressure (MPP) process. One-stage CCA treatment and accelerated fixation process - The process as a new concept in preservative treatment
1997 - IRG/WP 97-40078
The background to current commercial CCA treatment schedules used in New Zealand and fixation processing is reviewed. The limitations of these conventional practices with respect to treated product quality and CCA solution handling issues are defined. A novel, patented treatment schedule has been developed using a combination of hydraulic and pneumatic pressure phases and hot (~ 75°C) CCA solutio...
K Nasheri, A J Pendlebury, J A Drysdale, H Pearson, M E Hedley


Chemical Analysis of Southern Pine Pole Stubs Thirteen Months Following Treatment with Three Methylisothiocyanate Based Commercial Fumigants
2002 - IRG/WP 02-30294
Agricultural fumigants have been commercially used in the United States for over 20 years to control internal decay in utility poles and other wooden structures. Of the four fumigants which are currently used in the remedial treatment of utility poles, three are based on methylisothiocyanate (MITC) as being the principal fungitoxic component. Two of these MITC based fumigants, liquid metham sodi...
R J Ziobro, T C Anderson, D J Herdman, J Guzzetta, T Pope


Stake test with ammoniacal copper in combination with different agents started in 1962
1997 - IRG/WP 97-30130
In 1962 a stake test was started with ammoniacal copper in combination with chromium, arsenic, pentachlorophenol, boron, salicylic acid, benzoic acid, sorbic acid, pyridine and tannin. Different concentrations of the copper component were used as well as the added agents. For each concentration and test site, ten stakes of Pinus sylvestris L. sapwood were treated. The stakes were set out at two te...
B Häger, Ö Bergman


Restrictions on the use of chlorosilanes as potential wood preservatives
1985 - IRG/WP 3345
The biological protection of wood by chemical modification with different types of chlorosilanes has been investigated. The impregnation of wood has been carried out by means of liquid phase and vapor phase treatments using pure silane and silane-solvent systems. The biological efficacy against wood rotting fungi, molds and staining fungi was determined in a number of screening trials, subsequentl...
M Stevens


Research studies on infecting behaviour of Fomes fomentarius (L. ex FR) Fr. and its physical control in the wood yards of the Hyrcanian (Caspian) forests of Ira
1996 - IRG/WP 96-10179
Due to illegal cutting, girdling and ringbarking many damages of tinder fungus (Fomes fomentarius (L. ex Fr) Fr.) are seen on beech, poplar, oak and birch at Hyrcanian (Caspian) forests of Iran. The beeches (Fagus orientalis Lipsky) are damaged highly and the beech community of Fagetum are infected from 800 meter altitudes at Gorgan (East of Caspian forests) to 600 meters altitudes at Gilan (West ...
P Niloufari


A laboratory evaluation of tributyltin ethanesulphonate as an aqueous fungicide in wood preservation
1983 - IRG/WP 3229
Toxic limit data, using both leached and unleached wood test blocks, are reported for aqueous solutions of tributyltin ethanesulphonate against four Basidiomycete fungi, Poria placenta, Gloeophyllum trabeum, Coriolus versicolor and Coniophora puteana. An in situ study of the tributyltin compound in Scots pine and ponderosa pine sapwood has been carried out, using the technique of 119mSn Mössbauer...
R Hill, P J Smith, J N R Ruddick, K W Sweatman


Preservative technique of three commercially important timber species – Sissoo (Dalbergia sissoo), Akasmoni (Acacia auriculiformis) and Ghoraneem (Melia azedarach) of Bangladesh
2005 - IRG/WP 05-40299
Wood is renewable resource and is widely used as construction material in rural and urban areas of Bangladesh. Dalbergia sissoo, Acacia auriculiformis and Melia azedarach, locally known as Sissoo, Akasmoni and Ghoraneem respectively are three important timber species of Bangladesh. These are used for different purposes normally without preservative treatment. Heartwood of Sissoo, Akasmoni and Ghor...
M R Bulbul, M O Hannan, P K Sarker, A A Mahafuz, G N M Ilias


Fungitoxic effect of the quaternary ammonium compounds wood preservatives against the Ascomycetes and Deuteromycetes
1997 - IRG/WP 97-30138
Results of investigation on fungitoxic value of the three formulations of wood preservatives based on the quaternary ammonium compounds (lauryldimethylbenzylammonium chloride, lauryldimethylbenzylammonium bromide, alkylbenzyldimethylammonium chloride) in relation to the surface wood colouring (moulds) and soft-rot fungi have been presented. The agar-plate (screening) and agar-wood plate for mouldi...
J Wazny, P Rudniewski


Assessment of the Termatrac™ system - a new microwave based technology for non-destructive detection of termites
2003 - IRG/WP 03-20265
Termites can be difficult to detect reliably and many detection methods are destructive to property or disturbing to the termites (which may interfere with remedial treatment). The reliability of Termatrac™, a new Australian device for the detection of termites in an unobtrusive manner, based on novel microwave technology, was tested in the field. Termite presence was assessed as indicated by th...
T A Evans


Remediation of wood treatment sites in Finland
1999 - IRG/WP 99-50139
Finnish legislation in connection with soil contamination are firstly waste management legislation and secondly public health legislation and water legislation. There is no separate legislation concerning soil protection or remediation. The Ministry of the Environment has published a proposal for official contaminant guideline values to be used both as criteria for contamination and clean-up targe...
S Salonen


Assessment of the effects of rentex remedial treatment on some wood pole inhabitant micro-organisms
1994 - IRG/WP 94-30053
The effects of a remedial ground-line treatment using Rentex, a stabilised paste containing a mixture of fluoride and dichromate salts, on the micro-organisms inhabiting a sample of some 160 creosoted, on-line, electricity distribution poles, have been investigated as part of an appraisal of the efficacy of this remedial treatment. Half of the poles were treated and the other half used as controls...
D C R Sinclair, G M Smith, A Bruce, H J Staines


Performance of groundline bandage remedial treatments in western US species transmission poles
1993 - IRG/WP 93-30019
Groundline bandages are an important element in remedial treatment strategies for utility poles in the United States. Several bandages containing new or reformulated components have recently been developed but have not been adequately tested. This paper reports on the degree of diffusion of copper naphthenate, boron, and sodium fluoride from groundline bandages into pressuretreated Douglas-fir, po...
P G Forsyth, J J Morrell


Wood preservation in Brazil
1978 - IRG/WP 3126
Wood preservation was stablished in Brazil by 1902 in order to provide treated sleepers for railways, since there was a shortage of durable hardwoods in area served by railways. The growing need of sleepers and poles together with the availability of Eucalyptus spp. contributed for the development of wood preservation. Many wood preservation plants started to be stablished in 1957, and in 1977 the...
M S Cavalcante


Biological and physical properties of phenolic-resin treated wood before and after natural weathering
1999 - IRG/WP 99-40132
Biological and physical properties of phenolic resin-treated particleboards, which were made from fast growing tress and agrowaste as raw materials, were evaluated before and after natural weathering in tropical climate. The particles were sprayed with a mixture of a low molecular weight phenol-formaldehyde resin (5.0, 7.5 and 10% loading) and the adhesive phenol resin (8% loading). Results with l...
S Yusuf, Y Sudiyani, H Kajita, Y Imamura, M Takahashi


The detection of organic solvent preservatives in wood by thin-layer chromatography
1975 - IRG/WP 357
A simple and rapid method for the detection of common organic solvent wood preservative materials is described. The method uses thin-layer chromatography after leaching of the preservative from sections of timber with chloroform. RF values and the sensitivity of the method are discussed and a routine procedure for identification of the organic and organometallic preservatives is proposed. Methods ...
B G Henshaw, J W W Morgan, N Williams


A report of the Technical Recommendations documents for the Canadian Wood Protection and Preservation Facilities and an environmental study of storm water runoff from anti-sapstain treatment plants
1988 - IRG/WP 3478
With the completion of the Final draft of the Technical Recommendations (TR) documents for the Wood Preservation and Wood Protection Industry, there are naturally questions on what is expected from these documents and how Environment Canada and Provincial regulatory agencies may interact with the wood preservation industry. In general, it is expected that the Canadian Wood Preservation and Protect...
G Das, V N P Mathur


EPR observation of Mn(II) in decayed wood
2002 - IRG/WP 02-10443
Preliminary Electron Paramagnetic Resonance (EPR) studies of copper/chromium (CC) treated spruce wood, subjected to laboratory soil decay test showed increased intensities of Mn(II) EPR signal in partially decayed specimens. Several reasons might be responsible for this phenomenon: Mn(II) could originate from the wood after being released from the typical ligand binding, from reduction of other Mn...
M Petric, M Humar, P Kalan, F Pohleven, U Schoknecht, M Šentjurc


Migration of chlorothalonil and carbendazim in fruits stored in wood treated with the anti-sapstain formulation Tuff Brite C
1997 - IRG/WP 97-50097
Fruits and vegetables stored in treated wood boxes are in contact with the products used for the treatment. In order to obtain regulatory approval for incidental food contact it is necessary to determine the quantity of residues on these fruits or vegetables. When the active materials are used in agriculture it is required that residues found are below to the MRL fixed for these substances. In the...
J F Cooper, D Riboul, M De Vleeschauwer, T L Woods


The influence of drilling patterns on the distribution of toxicants from Polesaver Rods in hardwood poles
1994 - IRG/WP 94-30051
Polesaver Rods are solid rods of wood preservative that are used as a groundline maintenance treatment to control biodeterioration in hardwood transmission poles in Australia. The rods are inserted in holes that are drilled in a prescribed manner to distribute the toxicants into the critical groundline region of the poles. To determine the influence of drilling patterns on the distribution of toxi...
W D Gardner, C N McEvoy


Microdistribution of Copper in Copper-Ethanolamine (Cu-EA) Treated Southern Yellow Pine (Pinus spp.) related to density distribution
2004 - IRG/WP 04-40270
The relationship between copper absorption and density distribution in wood cell walls was investigated in this study. The density distribution on layer level was obtained from two approaches: (1) calculation by using data obtained from literature; (2) microdistribution of carbon and oxygen atoms in the wood cell. The microdistribution of carbon and oxygen in untreated southern yellow pine (Pinus ...
Jinzhen Cao, D P Kamdem, E Pasek


Detection of increased metal cations after wood decay using Chromeazurol-S
1997 - IRG/WP 97-20112
Chromeazurol-S (CAS) is a dye used for the spectrophotometric determination of metals, mainly aluminum (Al), berillium (Be) and copper (Cu). CAS has been widely used for determining the penetration of copper containing preservatives like CCA (AWPA A3-96). Additional uses include: i) detection of utility pole decay (Esyln, 1979), ii) a chemical spot test for aluminum in wood (Kukachka and Miller, 1...
F Green III, U Srinivasan, R B Miller


Investigation of CCA fixation in wood by sequential extraction. I Determination of CCA component fixation and preliminary extraction results
2002 - IRG/WP 02-50188
The fixation of CCA-C preservative was investigated in sapwood of red pine (Pinus resinosa Ait.), trembling aspen (Populus tremuloides Michx.) and red maple (Populus tremuloides Michx.) at target retentions of 4.0, 6.4, 9.6 and 30.0 kg/m3. Treated wood sawdust was water extracted at close time intervals during the fixation and analyzed for the contents of unfixed hexavalent chromium, total Cr, Cu ...
S Radivojevic, P A Cooper


Effects of wood-inhabiting marine fungi on food selection, feeding intensity and reproduction of Limnoria tripunctata Menzies (Crustacea, Isop.)
1981 - IRG/WP 480
The paper gives a condensed survey on laboratory tests with Limnoria tripunctata Menzies and pure cultures of 9 different marine wood-inhabiting fungi. Limnoria is able to distinguish between fungus-infested and non-infested wood. Wood with dead mycelium mostly proved to be less attractive or even repellent and was initially consumed less than with living fungi. On non-infested wood, initial feedi...
H Geyer


Environmental aspects of wood preservation
1987 - IRG/WP 3406
The preservation industry employs a wide range of chemicals and processes to provide timber commodities capable of resisting biodeterioration and degradation. The public often perceives the chemicals as health hazards and treatment plants as potential threats to the environment. This paper attempts to place in proper perspective the value of wood preservation. It discusses aspects of health and sa...
H Greaves


Previous Page | Next Page