Dunking
Dunking

Then comes the dunking. Two dozen cases at a time are soaked in citrus oil and left submerged for at least an hour. Each five-gallon bucket of the natural stuff costs them $300. "Toxic chemicals aren't good for the environment, customers or us," Tomita said.


By Jose Pagliery @CNNMoney - Last updated March 26 2012: 9:57 AM ET
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