Air Compliance Testing, Inc.
"CEMS Maintenance Service"
Wednesday, March 16, 2005 at 15:32:44, Cleveland, OH

Air Compliance Testing offers complete, turnkey Continuous Emission Monitoring System (CEMS) Maintenance Services to help you satisfy CEMS and Continuous Opacity Monitoring System (COMS) QA/QC Manual requirements.

The Air Compliance Testing team of professionals includes staff specializing in CEMS work. They have worked on over 100 CEMS-related projects. Our extensive field experience performing Relative Accuracy Test Audits (RATA) provides the insight necessary to understand the complexities associated with these sometimes cantankerous systems.

Following is a sample of what our CEMS Preventative Maintenance Program can include on a monthly, quarterly, and annual basis. This list is not all-inclusive:

Monthly Preventative Maintenance

• Clean, replace or change system filters.
• Check:
  - CEMS calibration and leak check system
  - Instrument panels and Data Acquisition System (DAS) for alarms
  - Instrument sample flow rates
  - Sample back-purge system operation
  - Probe temperatures, pressures and vacuums
  - Sample lines and connections clean/repair as necessary
  - Service CEMS instruments according to the manufacturer's instructions
  - Record the pressures of all gas cylinders
  - Evaluate daily calibration trends
  - Initiate corrective for any malfunctions identified
  - Replace daily calibration gas cylinder and reprogram computer for correct concentration
  - Conduct on-stack maintenance of CEMS monitors/probes according to the manufacturer's instructions, and recalibrate   CEMS monitors

Quarterly Preventative Maintenance and CGA Service
Complete all the monthly tasks, plus:

• Leak Check on the flow monitor system
  
• Linearity check on the instruments
  
• Cylinder Gas Audit (CGA)
  
• Clean lenses
  
• Insert upscale filter
  
• Check optical alignment

Annual Preventative Maintenance and Testing
Annually, we perform all the monthly and quarterly tasks, plus:

• Check for agreement between the front panel meters and the DAS readings
• Check system response time
• Perform leak checks on the concentration sample system
• Perform Annual RATA
• Calculate and record the averaging period
• Verify operational test period and zero and upscale drift error

Please contact us at 800-372-2471 to request a proposal designed to meet your specific CEMS/COMS requirements.

Contact: Louise Barton

Phone: 800-372-2471

email: louise@aircomp.com