- Tests for Arsenic in on-site measurement; result under 14 minutes; 5 tests - Range: 0.0, 0.3, 0.7, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4, 5, 6, 8, 10, 13, 20, <20 ppb (μg/L)