Two people have been injured after being exposed to sulphuric acid at work.
A police spokeswoman said emergency services were called shortly after 5pm Tuesday to Wood Rd in Waitoa, near Te Aroha.
"This was a workplace incident in which two people were exposed to sulphuric acid," she said.
A St John spokesman said one person with serious injuries had been flown to Waikato Hospital. A second person with minor injuries was driven to the hospital.
WorkSafe confirmed this morning it had been notified and would be making initial inquiries.