A report by Nation (2013), fish from the site near the industrial park in Prachin Buri was tainted with mercury at a high level. Penchorm Sae-Tang director of Ecological Alert and Recovery Thailand (EARTH) collected 20 samples of common snakehead fish and 20 hair samples from villagers living in tambon Tha Tum which in near the large industrial complex in Prachin Buri’s Sri Maha Pho district. Staff study found 0.53 milligram of mercury per kilogram in snakehead fish samples, which exceeds the standard set by the Public Health Ministry. Under this standard, the level of mercury in food should not exceed 0.02mg/kg. The study found that the mercury level in the hair samples was 12mg/kg, which exceeds the EPA’s contamination level of 1mg/kg for human hair. In The Industry Ministry's Department of Pollution Control (DPC), its tests, conducted twice, had found that 17 kinds of fish out of 23 sampled contained high mercury levels, although they were within international safety levels under the Codex Alimentarius Commission. To check the second by the Industry Ministry's Department of Pollution Control (DPC) had found that 17 kinds of fish out of 23 sampled contained high mercury levels, although they were within international safety levels under the Codex Alimentarius Commission.