by Joyce Barkley
Environment Division - St. Regis Mohawk Tribe
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The St. Regis Mohawk Tribe, Environment Division continued radon testing in homes on the St. Regis Mohawk Reservation. The second survey made an assessment on a total of 25 buildings: 2 retests and 23 homes not previously tested.
New homes were chosen based on the soil composition of the building site. According to a 1994 NYS soil survey conducted on the reservation, areas were found consisting of Hogansburg loam. This very deep, moderately well drained, loamy soil was formed in high-lime glacial till. Permeability is moderate in the surface and subsoil. This prompted us to target homes in those particular areas.
On October 22, testing resumed. One week was spent placing the kits and the following week for retrieving them. 9 kits were voided due to not being able to retrieve them. Air Check, Incorporated, Fletcher, NC provided the analysis and results for all tests. 4 homes came back with levels over 4 pCi/L. Statistical information was tabulated as follows:
| Max Level (pCi/L) | 15.6 |
| Min. Level (pCi/L) | 0.3 |
| Average | 2.2 |
| Standard Deviation | 3.8 |
| Max Level (pCi/L) | 8.97 |
| Min. Level (pCi/L) | 0.69 |
| Average | 1.80 |
| Standard Deviation | 1.26 |