5. Process safety in the Spanish industry
The chemical industry in Spain has taken advantage of technological improvements arising from a growing research and has reacted to new legislative requirements (discussed in the previous section), to improve their practices and get more environmentally friendly and safer processes. According to the new trends in safety and environmental protection, industry has improved its standards using four main strategies: Inherently Safer Design (ISD), Process Hazard Analysis (PHA), Safety Instrumented Systems (SIS) and Safety Management Systems (SGS).