Question

Whether you are doing area sampling with a large, heavy, high-volume, variable-speed pump or personal sampling with a small, light-weight, lower volume, variable-speed pump attached to the worker’s belt, what two procedures are critical for proper operation of the pump for sampling (and do not use “connect to power” or “connect the tubing”) for a specific contaminant?

Answer 1

1 Calibrate sampling pumps at the temperature and pressure (altitude) at which samples will be collected. If site conditions are substantially above or below room temperature, calibrate the pumps in a clean area at the site, if possible.

2.The sampling pump used to collect the sample must be compatible with the sampling needs and the media used. Specifically, the pump must be capable of maintaining the desired flow rate over the time period needed using the sampling media specified

3. All pumps should be calibrated with representative sampling media prior to use

4.The accuracy of determinating the concentration of a toxic substance in air is no greater than the accuracy with which the air volume is measured. Therefore, accurate calibration of the airflow rate through the sampling train is necessary

5. pumps must be recalibrated after each repair and if they have been abused

6.Ensure sampling pump batteries are fully charged