Specifications include, but are not limited to: A. Performing Party must have a minimum of five years’ experience in servicing and maintaining air monitoring equipment and be recognized by the manufacturer as an authorized RAE Systems Service Center. B. Service and maintenance responsibilities: 1. Every 90 days, the Performing Party will visit each of the 16 TCEQ regional offices and the Austin Central Office to inspect, clean, calibrate and conduct routine maintenance of agency and Performing Party supplied equipment as specified in this SOW. The monitors must be serviced in preparation for the next 90-day service cycle. a. Routine maintenance is defined as recurring, preventive and ongoing maintenance necessary to delay or prevent the failure of critical and non-critical equipment components and functionality. 2. Performing Party must schedule maintenance visits with the point of contact for each office a minimum of one week in advance of the planned visit. 3. Performing Party will provide an annual supply of calibration gases (disposable or refillable canisters) and related accessories including VOC zero charcoal cartridges, water traps and humidity tubes (for instruments requiring humidity tubes), for each air monitoring unit being supplied, maintained and serviced. 4. Performing Party is responsible for providing all equipment and parts necessary for routine maintenance. All supplied equipment, replacement sensors, and other parts must be new, of current production and must include the manufacturer’s standard equipment, accessories and protective carrying cases. 5. Performing Party is responsible for any and all sensor replacement, should a sensor fail to calibrate.