On November 17 and 18, 2011 the wells on the Samoa Pulp Mill site were tested. Arsenic, Chromium and Manganese were above the reporting level. For example, the reporting level for manganese is 20 and the level in the well was 1200. These chemicals are all on the prop. 65 list of substances known to cause cancer. For a complete listing of statistics on tests on the wells, see Geotracker.