At wood products operations, excessive emissions were observed from a planer cyclone by the ministry of environment; a baghouse aborted to the atmosphere on three occasions in one day due to mechanical issues; a burner operated below compliance temperature for a portion of one operating day due to mechanical issues and wet fuel; another burner operated below compliance temperature due to fuel conveyor issues; a third burner was out of compliance for portions of four operating days due to heavy snowfall or mechanical problems related to very cold weather.