Abstract
Background: There are high risks and potential hazards in the process of making Zwavelzuur Kalium (ZK)
 fertilizer. The risk varies according to the chemical used in the process. Identification of potential hazards
 and risks is required periodically to control the risks
 Objectives: To identify the potential hazards and risks in the process of making ZK fertilizer and to control
 the risk
 Methodology: This study is an observational study to observe the process of making ZK fertilizer and to
 conduct occupational health and safety risk management
 Results: There are various hazards can occur in ZK production including chemical hazards such as
 hazardous, toxic, reactive, irritant, and corrosive as well as physical or mechanical hazards which include
 altitude, machinery, equipment, noise, and temperature
 Conclusion: The highest risk assessment results on ZK production are in the reactor unit, which causes the
 risk of explosion. Risk control refers to the principle of the control hierarchy
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