Specifications include, but are not limited to: 1. Each Gas Chromatograph will need the following preventative maintenance performed: - Covers removed and instrument cleaned of dust and debris - Power cycling to ensure all self-tests pass - Verification of motor and fan operation - Verification of outlet flap assembly 2. Each Inlet will need the following preventative maintenance performed: - Replace septum, O-ring and liner - Replace gold seal and washer - Column removed from inlet, clipped and re-installed - Split vent trap replaced - Inlet pressure decay test - Gas filter replaced (if necessary) 3. Each Autosampler will need the following preventative maintenance performed: - Cleaned of dust and debris - Fan Operation checked - Smooth operation of the plunger and needle support rod (clean if necessary) - Correct operation of syringe volume stops.