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Efficacy of Didecyl Dimethyl Ammonium Chloride (DDAC), Disodium Octaborate Tetrahydrate (DOT), and Chlorothalonil (CTL) against Common Mold Fungi
2004 - IRG/WP 04-30338
The fungitoxic properties of four fungicides, alone and in combination, against four different mold fungi commonly associated with indoor air quality problems were evaluated on two different wood species and sheetrock. The fungicides were chlorothalonil (2,4,5,6-tetrachloroisophthalonitrile) (CTL) in a 40.4% aqueous dispersion, disodium octaborate tetrahydrate (DOT) in two different forms - a ...
J A Micales-Glaeser, J D Lloyd, T L Woods


Improved PEC preservatives with added biocides
1985 - IRG/WP 3322
Biocidal chemicals have been incorporated into formulations within the broad framework of pigment emulsified creosote (PEC) to provide novel potential multi-purpose preservatives. Preparations of PEC plus TCMTB, Boracol 40, copper ethanolamine nonanoate, Quatramine 80, arsenic trioxide, Troysan Polyphase, and CCA have been formulated and assessed for preserving ability in soil-jar and Accelerated ...
H Greaves, C-W Chin, J B Watkins


Wood preservation in France. "Bois plus" chain of quality. Description of the scheme early 1989
1989 - IRG/WP 3519
1989 - description of the French "CTB-BOIS PLUS" homologation scheme
G Ozanne


Sequential exposure of borate treated Douglas-fir to multiple Formosan subterranean termite colonies in a 40-week field test
1993 - IRG/WP 93-10006
Douglas-fir boards (ca. 74.5 g) pressure-treated with disodium octaborate tetrahydrate (DOT) retentions of 0 (controls), 0.88, 1.23, 1.60, or 2.10% (weight/weight) DOT were sequentially exposed to four active field colonies of Formosan subterranean termites, Coptotermes formosanus Shiraki (Isoptera: Rhinotermitidae), in an above-ground field test. Samples were placed in contact with each colony fo...
J K Grace, R T Yamamoto


Diffusion of fused borate rods in top ends of poles
1989 - IRG/WP 3518
Diffusion tests of fused borate rods were carried out on extremities of sapwood poles in service. Rods were set in drills under the cone with or without addition of liquid Boracol 40. After one year of weathering, a good diffusion in the slice under the cone and even below the slice and in the cone itself was observed in Scots pine and spruce poles. The rods were still intacts and constitute, in f...
D Dirol, J P Guder


Analysis of creosote posts after 40 years of exposure
1994 - IRG/WP 94-50035
In the early 1950s The Western European Institute for Wood Preservation (WEI) started a program for testing creosote and salt treated posts in three exposure sites in Europe. Of these only the site in Simlångsdalen in south western Sweden remains today. The purpose with this investigation was to demonstrate which creosote components are still retained in the posts after 40 years of exposure and w...
G Bergqvist, S Holmroos


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


Minutes of the Plenary Meeting 1970
1970 - IRG/WP P 40
IRG Secretariat


The performance of glue laminated railway ties after 40 years of service in the main line track
1989 - IRG/WP 2325
Two series of horizontally glue laminated ties made of a softwood body and topped with a hardwood lamination were creosoted and installed in 1947 in a tangent and a curved main line track. The tests are now 40 years old and the excellent condition of the ties of these two series suggest that a service life of 50-60 years can be expected....
J P Hösli, E E Doyle, C P Bird, T Lee


Comparison of decay rates of preservative-treated stakes in field and fungus cellar tests. Results after 40 months fungal cellar exposure
1983 - IRG/WP 2200
Decay rates of preservative-treated Pinus radiata stakes during 40 months exposure in the FRI fungus cellar were compared with those of similarly treated material in a field test. Decay rates in the fungus cellar were from 4 to 100 times higher than in the field, although for the majority of preservatives the rate was between 7 and 12 times higher. The lag phase before onset of decay, noticeable w...
M E Hedley


The 40th Annual Meeting of IRG. Programme
2009 - IRG/WP 09-60270
IRG Secretariat


The 40th Annual Meeting of IRG. Poster abstracts
2009 - IRG/WP 09-60280
IRG Secretariat


Invitation IRG 40
2009 - Invitation IRG 40
IRG Secretariat


Section reports from IRG 40
2009 - IRG/WP 09-60281
J Norton


Remedial ground-line treatment of CCA poles in service. A final report after 60 months' testing
1989 - IRG/WP 3534
Remedial treatment of CCA treated utility poles of Pinus sylvestris with incipient decay was carried out in 1983 and the results of chemical and microbiological analyses 6 months after treatment were reported in Document No: IRG/WP/3388 while microbiological studies 12 and 28 months after treatment as well as chemical analyses of poles treated with boron rods or boric acid paste 28 months after tr...
B Henningsson, H Friis-Hansen, A Käärik, M-L Edlund


The effect of glycol additives on diffusion of boron through Douglas-fir
2000 - IRG/WP 00-30235
Boron is highly effective against a variety of fungi and insects and is able to diffuse with moisture through wood. Diffusion decreases sharply at lower moisture contents, a characteristic that limits the potential use of this material as a remedial treatment for arresting internal decay. One approach to improvi ng boron diffusion is the simultaneous addition of glycol, which is presumed to enhanc...
C M Freitag, R Rhatigan, J J Morrell


Microbial fouling of 10-40% naphthalene in creosote treated and untreated wooden pilings in the marine environment - A progress report
1980 - IRG/WP 455
In June 1978, Document No: IRG/WP/442 entitled 'Microbial Biofouling of 10-40% Naphthalene in Creosote Treated and Untreated Wooden Pilings in the Marine Environment" was released to the IRG members as a report on the early results of a long term (about 5 years) study of whether the naphthalene content of creosote was importart in protecting wood pilings in the marine environment from bor...
R R Colwell, A J Emery


Borate diffusion in wood from rods and liquid product. Application to laminated beams
1988 - IRG/WP 3482
In the aim to use borate preservatives (fused rods and boracol) in fields of building construction other than external joineries, tests of diffusion of borate rods and secondary boracol, were carried out on different species of woods exposed to different moisture conditions. Tests were also applied on laminated beams very often subjected to high moisture contents and thus decay of rot fungi. Diffu...
D Dirol


Efficacy of fumigants in the eradication of decay fungi implanted in southern pine timbers
1986 - IRG/WP 3365
Southern pine timbers (15.2 cm x 15.2 cm x 4.26 m) were fumigated at midlength to evaluate the effectiveness of the fumigants chloropicrin, Vapam, Diazomet, Busan 40, Vanicide 51, Vanicide TH, sodium bisulfite, and ethanolamine in eradication of decay fungi. The fumigants were introduced into 2.54 cm holes which were closed immediately with rubber stoppers. Movement and persistence of lethal conce...
T L Highley, W E Eslyn


Remedial ground-line treatment of CCA poles in service. A progress report after 28 months' testing
1988 - IRG/WP 3481
Remedial treatments of CCA-treated poles in service with incipient soft rot were carried out with boron rods, boron/glycol solution, boric acid paste, copper/creosote paste and a commercial product (DFCK paste) respectively. The micro-flora before remedial treatment and 6 months after as well as the spread of chemicals in the poles were reported in Document No: IRG/WP/3388. In this progress report...
B Henningsson, H Friis-Hansen, A Käärik, M-L Edlund


Boracol 40 - A potential remedial and preservative treatment for lyctids
1983 - IRG/WP 1192
The paper reports on a preliminary assessment of the efficacy of a diffusion formulation, Boracol 40, when applied as a brush treatment: to the surface of Eucalyptus obliqua against the powder-post borer Lyctus brunneus. After a five month bioassay, Boracol 40 has severely retarded the progress of active infestations of Lyctus brunneus and has been 100 per cent effective as a preventative treatmen...
J W Creffield, H Greaves, C D Howick


40 year results from the largest preservative in-ground stake trial conducted in Australia
2013 - IRG/WP 13-30624
The final results from Australia’s largest preservative in-ground stake trial are listed. There were eight test sites, six in Australia and two in Papua New Guinea. The preservatives tested include low and high temperature creosotes, PCP and various water-borne preservatives including CCA and copper chromate. The main timbers examined were sawn Pinus radiata sapwood, sawn Eucalyptus regnans hear...
L J Cookson


Statistical analysis of 40 years of preservative in-ground stake testing in Australia
2014 - IRG/WP 14-20552
Wood is widely recognized as a valuable material, yet the natural durability of some wood species limits its use for certain outdoor purposes. For decades, a wide range of methods and chemicals have been developed to increase the resistance of wood against degrading microorganisms and termites. Preservative treatment has a long and widespread tradition in wood protection. Proper testing of the eff...
J Van den Bulcke, L J Cookson, I De Windt, W Li, J Van Acker