Assessment of Cytogenotoxicity of Plastic Industrial Effluent Using Allium cepa Root Tip Cells

Table 1

Physicochemical characteristics of plastic industrial effluent collected from MC Plastic Company.

Parameters	Plastic effluent	FEPA^a	USEPA^b	WHO^c
Colour	Cleared	NI	NI	NI
Odour	Not detected	NI	NI	NI
pH		6.0-9.0	6.0-9.0	6.5-9.5
Temp		<40	NI	NI
D.O.		NI	NI	NI
T.D.S.		2000	500	<1200
B.O.D.		50	NI	NI
Conductivity		NI	NI	1200
Zinc		<1	0.12	NI
Iron		2.0	0.009	3.0
Copper		<1	0.30	1.0
Lead		<1	0.003	0.01
Chromium		<1	0.30	0.01

With the exception of the temperature, all measurements were in milligrams per litre; pH does not have a unit. ^aFederal Environmental Protection Agency. ^bUnited States Environmental Protection Agency. ^cWorld Health Organization. NI: not indicated.