Skip to main content

Table 2 Leachate composition at the UD landfill site

From: Remediation capabilities of pilot-scale wetlands planted with Typha aungstifolia and Acorus calamus to treat landfill leachate

Sr. no Sample constituent 2016a 2008*a 2006#a Standards mode of disposal—land disposalb Drinking water specifications—acceptable limitc
1 PH 8.9 7.8 8.33 5.5–9.0 6.5–8.5
2 BOD 499 4.6 4122 100 AB
3 COD 897 36 6834 AB AB
4 EC 3179 10,700 99,510 AB AB
5 Hardness 10,000 2440 2200 AB 200
6 Alkalinity 1378 NA 2170 AB 200
7 Cl 213 4558 4485 600 250
8 TDS 2130 6848 11,800 2100 500
9 TSS 8929 NA NA 200 AB
10 TS 11,059 NA NA AB AB
11 Na 4439 3150 2550 AB AB
12 Mg 2430 348 110.5 AB 30
13 Ca 4000 512 340.5 AB 75
14 Cu 2.66 NA 0.9 AB 0.05
15 Ni 3.31 NA 2.05 AB 0.02
16 Pb 1.44 NA 0.84 AB 0.01
17 Zn 4.66 NA 1.63 AB 5
18 Cr 2.65 NA 2.87 AB 0.05
  1. NA data not available, AB range not provided
  2. a, b, cAll values are in milligrammes per litre, except pH and EC (in μS/cm). *Groundwater Surveys and Development Agency (GSDA) (2008); #Kale et al. (2010); bMinistry of Environment, Forest and Climate Change (MoEF& CC) (2016); cBureau of Indian Standards (BIS) (2012)