Table 2.

Values obtained from the four heavy metal analyses.

Heavy metal	Measurement (mg/L)
Pb (405.781 nm)	0.06
Cd (228.802 nm)	−0.04
Fe (371.993 nm)	1.45
Cr (425.433 nm)	0.05

Note: Pd = lead, Cd = cadmium, Fe = iron, Cr = chromium.