Process safety Information
PSI adalah maklumat asas yang perlu ada untuk sesebuah loji pemprosesan. Mengikut US guideline juga, PSI bermanafaat untuk majikan dan pekerja yang terlibat dalam operasi sesebuah loji proses untuk mengenalpasti dan memahami hazad yang berkemungkinan boleh terhasil. PSI mestilah mempunyai maklumat berkaitan bahan kima yang diguna @ dihasilkan, informasi terknologi proses dan informasi peralatan proses.
Untuk memudahkan pemahaman, jadual dibawah mungkin boleh membantu:-
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Highly Hazardous Chemicals
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Process technology
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Process equipment
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- Toxicity Data
- Permissible exposure limit
- physical data
- Reactivity data
- Corrosivity data
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- A block flow diagram or
simplify process diagram.
- Process chemistry.
- Maximum intended inventory.
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- Materials of construction.
- Piping and instrumentation
diagram.
- Electrical classification.
- Relief system design and design
basis.
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Thermal and chemical stability data
- hazardous effect of inadvertent
mixing of different materials that could foreseeably occur
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Safe upper and lower limit of such items as temperature, pressure, flow and
concentrations.
- an evaluation of consequence of
deviations including those effecting those safety and health of employees.
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Ventilation system design.
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Design codes and standard employed.
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Material and energy balance.
- Safety system (for example
interlocks, detection or suppression system)
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