Picarro offers laser spectroscopy technology for airborne molecular contaminations (AMC) monitoring, The real-time analysers can perform AMC monitoring for hydrogen fluoride, hydrogen chloride, ammonia, sulphur dioxide, hydrogen sulphide, and volatile organic compounds (VOCs). The company's SAM-C system, which became available in September 2021, can support up to 32 sampling points across the semiconductor fabs to monitor AMC.