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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)