Formerly operated under EIM Northern Ltd (sister company of CBISS for a number of years) we are pleased to confirm that the transfer of all hire & service operations is now complete. Our CBISS hire division now provides a wider range of environmental and health & safety monitoring instrumentation available for hire including: M&A portable FIDâs, Photovac portable PIDâs, Testo handheld combustion analysers, ENVSA transportable CEMS equipment. CBISS has one of the largest service networks in the industry providing the service, repair & calibration for our own instrumentation ranges, and those of other manufacturers. CBISS have a wealth of industry knowledge & expertise developed through over 18 years of operation as one of the UKâs leading suppliers of environmental monitoring systems & solutions spanning a variety of industries & applications including: Incineration; Power; Oil & Gas; Chemical & Pharmaceutical. VOC Monitoring; Stack Gas Monitoring; Landfill Gas Analysis; Confined Space Monitoring.