Chemical Health Risk Assessment (Penang, Kedah, Perak, Perlis, Kuala Lumpur (KL),  Selangor, Negeri Sembilan, Melaka, Johor, Pahang, Terengganu, Kelantan, Sabah & Sarawak)


Chemical Health Risk Assessment (CHRA) is a process that uses a systematic approach to identify, assess and control health risks associated with the use of hazardous chemicals in the workplace. Chemical Health Risk Assessment (CHRA) is a legal requirement under the Occupational Safety and Health Regulations (Use and Exposure Standards for Hazardous Chemicals to Health) 2000. Chemical Health Risk Assessment (CHRA) aims to protect the health of workers who may be exposed to hazardous chemicals by recommending appropriate control measures, training, monitoring and health surveillance. Chemical Health Risk Assessment (CHRA) also helps employers to comply with the exposure standards set by the Department of Occupational Safety and Health (DOSH).

Chemical Health Risk Assessment (CHRA) must be conducted by an assessor who is registered with DOSH. The assessor can be an employee or someone else who has relevant qualifications and experience in the fields of chemistry, toxicology, occupational health or industry. The assessor must follow the Chemical Health Risk Assessment (CHRA) Manual (Health Risk Assessment Arising from the Use of Hazardous Chemicals in the Workplace (Third Edition) published by DOSH. The assessor must identify sources of information on hazardous chemicals, such as Chemical Safety Data Sheets (CSDS), Product Labels, International Chemical Safety Cards (ICSC) and others. The assessor must determine the hazard level, assess the exposure, evaluate the adequacy and effectiveness of existing control measures and determine the risk level at the workplace.

Chemical Health Risk Assessment (CHRA) involves several steps, such as:

Preparing a Chemical Health Risk Assessment (CHRA) action plan, including objectives, scope, methodology, schedule and budget. Conducting site visits to collect data on hazardous chemicals, work processes, workers, measuring equipment, ventilation systems and others. Identifying and classifying hazardous chemicals according to the criteria set by DOSH. Assessing the exposure of workers to hazardous chemicals using appropriate sampling and analysis methods. Comparing the exposure results with the exposure standards set by DOSH and internationally recognized organizations. Assessing the health risks associated with exposure to hazardous chemicals using the risk matrix provided by DOSH. Recommending control measures that need to be taken to reduce or eliminate health risks, such as substitution of chemicals, redesign of work processes, use of personal protective equipment, training and supervision of workers, monitoring and health surveillance and others. Preparing a Chemical Health Risk Assessment (CHRA) report that contains relevant information, such as a list of hazardous chemicals, exposure results, risk assessment, control suggestions, references and appendices. Reviewing and updating the Chemical Health Risk Assessment (CHRA) at least every five years or when there are material changes in the use of hazardous chemicals, work processes, technology or exposure standards. Chemical Health Risk Assessment (CHRA) is an important activity to ensure the safety and health of workers who are involved with hazardous chemicals. Chemical Health Risk Assessment (CHRA) can help employers to fulfill their responsibilities under the law and avoid any accidents, injuries, illnesses or deaths related to hazardous chemicals. Chemical Health Risk Assessment (CHRA) can also improve productivity, quality and efficiency of work by reducing the costs of treatment, compensation, maintenance, replacement and others. Chemical Health Risk Assessment (CHRA) is a worthwhile investment to protect the most valuable asset, which is the workers.

Chemical health risk assessment (CHRA) is a process of assessing health risks related to the use, handling, storage or transport of chemicals in the workplace. CHRA aims to identify, evaluate and control health risks of workers exposed to hazardous chemicals. CHRA is also a legal requirement under the Occupational Safety and Health Act 1994 (OSHA) and the Regulations (Control of Exposure to Hazardous Chemicals to Workers) 2000.

Anyone who violates the provisions of OSHA or the related regulations can be fined not exceeding RM50,000 or imprisoned not exceeding two years or both. In addition, workers exposed to hazardous chemicals can also suffer various occupational diseases such as poisoning, cancer, allergy, asthma, skin irritation, organ damage and so on. Therefore, it is important to conduct CHRA periodically and take appropriate preventive measures to protect the health and safety of workers.


CHRA Penang
CHRA Kedah
CHRA Perak
CHRA Perlis
CHRA Selangor
CHRA Negeri Sembilan
CHRA Melaka
CHRA Johor
CHRA Pahang
CHRA Kelantan
CHRA Terengganu
CHRA Sabah
CHRA Sarawak
CHRA Labuan


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