Hazard Evaluation Laboratory (HEL) is a private company, founded in 1987 as a consultancy service, to advise on chemical and process hazards.\r\n\r\nThe Hel group has continued to develop and now manufactures a comprehensive range of calorimeters and computer controlled reactor systems for the fine chemical and Pharmaceutical Industries. The systems are designed for the optimal development of chemical processes, ensuring that they are both safe and efficient.