Description: Proper chemical storage is required to minimize the hazards associated leaks, spills, and accidental mixing of incompatible chemicals. The chemicals were segregated and stored according to their hazard class. This prevents an undesirable chemical reaction from occurring if two or more chemicals accidentally mix. Flammable liquids, toxic chemicals, volatile or highly odours chemicals are stored in ventilated cabinets. The other chemicals are stored in shelves well-ventilated.