The Comet Assay for the Evaluation of Genotoxic Potential of Landfill Leachate

Table 1

Physicochemical parameters of leachate.

Parameter	Unit	Range	Mean±SD	Percentile 80/100	Range	Mean±SD	Percentile 80/100	Reduction (%)
			Influent (before treatment)			Effluent (after treatment)
pH	—		7.5–8.2			7.0–7.7
κ	mS/cm	3.3–4.1	3.5±0.3	3.6	3.8–3.9	3.9±0.2	4	—
COD	mg/dm^3	381–435	403±19	418	160–233	190±23	198.9	53
BOD5	mg/dm^3	120–150	134±11	142.1	0–7	4±2.6	5	97
Ntotal	mg/dm^3	37.7–74.8	66.0±16.4	68.6	6.8–18.2	10.7±5.5	18.2	84
N-NH4	mg/dm^3	26.1–51.9	43.3±10.5	51.7	0.5–2.6	1.4±1.0	2.3	97