Air Sampling

The primary pathway by which radionuclides can move off the INEEL is through the air and for this reason the air pathway is the primary focus of monitoring on and around the INEEL. Samples for particulates and iodine-131 (¹³¹I) gas in air were collected weekly at 16 locations using low-volume air samplers for the duration of the quarter. Moisture in the atmosphere was sampled at four locations around the INEEL and analyzed for tritium. Concentrations of airborne particulates less than 10 micrometers in diameter (PM₁₀) were measured for comparison with EPA standards at three locations. Air sampling activities and results for the second quarter, 2002 are discussed below. A summary of approximate minimum detectable concentrations (MDCs) for radiological analyses and DOE Derived Concentration Guide (DCG) (DOE 1993) values is provided in
Appendix B.

• Low-Volume Air Sampling
• Atmospheric Moisture Sampling
• PM₁₀ Air Sampling
• Results from ESER's network of low-volume air samplers in searchable form 

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