Core Insights - Companies have established emergency response systems for environmental risks, but many lack clarity on key risk factors, indicating a need for improved management practices [1][2] - The identification of risk substances, risk units, and risk levels is crucial for effective environmental risk management [2][3] Group 1: Environmental Risk Management - Many companies have not implemented a regular risk assessment mechanism due to cost considerations, leading to a lack of understanding of the physical and chemical properties of risk substances [1][2] - Emergency plans are often created by copying templates without verifying the actual risk conditions, resulting in a disconnect between plans and real risks [1][2] Group 2: Risk Identification and Classification - "Risk substance clarity" involves identifying the characteristics and scale of risk substances, requiring professional teams or third-party organizations to conduct thorough assessments [2][3] - "Risk unit clarity" necessitates precise identification of risk units throughout the production process, with tailored monitoring and prevention strategies for different types of units [2][3] Group 3: Risk Level Assessment - "Risk level clarity" requires scientific classification of risk units based on established standards, ensuring that risk levels are matched with appropriate prevention measures and resources [3] - Companies must revise emergency plans to incorporate detailed risk characteristics and response standards, creating a refined risk prevention and emergency response system [3]