system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
The threshold value for workers in the mercury industry is:
assistant
The correct answer is  The threshold value for workers in the mercury industry is 350 to 500 µg per day. 
Reference: Phillip’s Science of Dental Materials, Pg-361