Preliminary Industrial Hygiene Survey of Photo Voltaic Cell Manufacturers for Solar Energy Use, Sensor Technology, Chatsworth, California

摘要

A site visit was made to perform a preliminary industrial hygiene survey. The company produces solar panels, optical switches, photo transistors, photodiodes, tape and card reader heads and printer heads, and other mechanical assemblies related to the photo electronic field. Minor accidents have occurred related to acid spills and burns. During the visit it was noted that the ingot slicing machine was not ventilated, allowing some mist to escape. The operation should be fully enclosed to prevent inhalation of silicon (7440213). The authors recommend that consideration be given to ventilation systems to control organic solvent and acid vapors. The use of trichloroethylene (79016) should be replaced by a less toxic solvent. Proper lighting should be offered to reduce eye fatigue. During the final quality testing a Senon lamp was used to simulate the sun. The possible release of ozone (10028156) and oxides of nitrogen should be controlled through the installation of a proper ventilation system.