New Zealand Explanation of workplace exposure standards-Workplace exposure standards

New Zealand Explanation of workplace exposure standards (WES)-Workplace exposure standards cover a wide range of industrial chemicals, establishing 8-hour TWA and 15-minute STEL limits for each substance. Organic solvents (such as benzene and toluene) and metal fumes (such as lead fume and cadmium fume) are subject to clear control standards due to their high volatility and toxicity. The standard emphasizes the "hierarchy of controls" principle, requiring employers to conduct compliance checks when introducing new processes or chemicals to ensure exposure levels remain below the limits.