Table 1.

Maximum dischargeable limits for heavy metals in industrial effluent [27].

Heavy Metals	CPCB, 2000 (Dischargeable Limit in Industrial Effluent)
Cr (VI)	1.00–2.00 mg/L
Cd (II)	0.20–2.00 mg/L
Pb (II)	0.10 mg/L