A professional who performs any combination of following duties to extract statistical data from charts taken from flowmeters and other measuring and recording devices used on pipelines. Respnsibilities include:

• Calculates volume of natural gas, manufactured gas, and petroleum handled by specific pipelines, using adding machine, calculator, or planimeter, and meter records of gas pressure, temperature, and specific gravity.
• Compiles reports from measurement charts to indicate quantity of gas produced, transported, and sold.
• Posts and files charts.