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Tue, 6 Dec 2011 19:53:38 -0500 |
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Regarding using masks for oxalic acid evaporation:
Having used a set of the evaporators which are inserted into the entrances today, I can see the wisdom in using a mask when using this type of unit.
This method exposes the user to far more oxalic than the blower methods I am familiar with, no matter how it appears in pictures.
The blowers allow the operator to remain upright and away from the fog when retrieving the unit after fogging a hive.
The individual electric hand units require a lot of leaning over close to where the oxalic has just been applied and handling hot pans with residual acid.
As for gloves, though, I continue to see no need. Even when handled in snow with bare hands, there is no hint of a burn, and the kitchen cleaners containing oxalic acid do not require them either, although for repeated use and for sensitive skin, gloves could be a wise choice.
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