One of the main findings is that significantly fewer samples exceeded the action level of 15 ppb at State-controlled sampling sites relative to voluntary or homeowner-driven sampling sites. In other words, based on the State-controlled sentinel sampling program the situation has been steadily improving since the State started collecting samples last February while the analysis of the other database, which represents 80% of the total number of samples collected so far, indicates otherwise.

A Multivariate Geostatistical Methodology to Delineate Areas of Potential Interest for Future Sedimentary Gold Exploration