1 Descriptive statistics

n min P25th mean median P75th max
tAs 149 36.7 98.6 115.23 119.0 131.0 348
iAs 149 22.4 70.0 84.73 89.7 100.0 142
DMA 149 6.9 21.0 30.91 28.2 32.9 211

tAs = total arsenic; iAs = inorganic arsenic; DMA = dimethylarsinic acid.

2 Inorganic arsenic concentrations

3 Results

The total number of samples with iAs ≤100 is 113 (76%).

The total number of samples with iAs <100 is 109 (73%).

The total number of samples with iAs equal 100 is 4 (3%).

The total number of samples with iAs >100 is 36 (24%).