Sigma-HSE Ltd is a group of companies focused on the provision of technical services to industry in the fields of Health & Sa ... fety and the Environment. Our specialist testing laboratory in Winchester generates test data on the flammability, explosivity and reactivity of dusts, gases and vapours. Our scientists and technicians are experts in this field and can quickly assess your testing needs from Explosion Severity (20 litre sphere), MIE, MIT, LIT, MEC, LOC as well as Electrostatic Resistivity and Charge Relaxation Time. Supporting the laboratory and providing on-site support is our dedicated team of Process Safety Consultants working from our offices in Europe, Asia and the Middle East. Our range of specialist technical safety assessments including Comprehensive Safety Audits, HAZOP, DSEAR/ATEX, HAC, QRA, EPD, LOPA, SIL as well as training, and incident investigation. read more