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Analytical retentions of active ingredients in H2F treated framing over a 12-year period
2023 - IRG/WP 23-20702
The H2F hazard class in Australia was developed to treat internal framing timber with a surface application of an insecticide, to control mainly termites. Two of the actives approved in AS 1604.1-2010 (and subsequent revisions) for this hazard class are bifenthrin and imidacloprid. The penetration zone of both actives is 0 – 2 mm from the wood surface.
Radiata pine sapwood framing timber wa...
A Siraa