| Copper (mg/kg) |
300.00 |
300.00
|
| Lead (mg/kg) |
100.00 |
100.00
|
| Mercury (mg/kg) |
0.15 |
0.15
|
| Nickel (mg/kg) |
50.00 |
50.00
|
| Zinc (mg/kg) |
1000.00 |
1000.00
|
| C/N ratio |
<20 |
Less than 20:1
|
| pH |
6.5-7.5 |
(1:5 solution) maximum 6.7
|
| Moisture, percent by weight, maximum |
15.0-25.0 |
25.0
|
| Bulk density (g/cm3) |
<1.0 |
Less than 1.6
|
| Total Organic Carbon, per cent by weight, minimum |
12.0 |
7.9
|
| Total Nitrogen (as N), per cent by weight, minimum |
0.8 |
0.4
|
| Total Phosphate (as P,0g) percent by weight, minimum |
0.4 |
10.4
|
| Total Potassium (as K,0), percent by weight, minimum |
0.4 |
-
|
| Colour |
Dark brown to black |
-
|
| Odour |
Absence of foul Odor |
-
|
| Particle size |
Minimum 90% material should pass through 4.0 mm IS sieve |
Minimum 90% material should pass through 4.0 mm IS sieve
|
| Conductivity (as dsm-1), not more |
4.0 |
8.2
|
- Compost (final product) exceeding the above stated concentration limits shall not be used for food crops. However, it may be utilized for purposes other than growing food crops.
B. Standards for treated leachates.— The disposal of treated leachates shall meet the following standards, namely:
| Sl No |
Parameter |
|
Standard Mode of Disposal |
|
|
|
Inland surface water |
Public Sewers |
Land disposal
|
| (1) |
(2) |
(3) |
(4) |
(5)
|
| 1. |
Suspended solids, mg/l, max |
100 |
600 |
200
|
| 2. |
Dissolved solids (inorganic) mg/l, max |
2100 |
2100 |
2100
|
| 3. |
pH value |
5.5 to 9.0 |
5.5 to 9.0 |
5.5 to 9.0
|
| 4. |
Ammonical nitrogen (as N), mg/l, max. |
50 |
50 |
-
|
| 5. |
Total Kjeldahl nitrogen (as N), mg/l, max. |
100 |
- |
-
|
| 6. |
Biochemical oxygen demand (3 days at 27° C) max.(mg/l) |
30 |
350 |
100
|
| 7. |
Chemical oxygen demand, mg/l, max. |
250 |
- |
-
|
| 8. |
Arsenic (as As), mg/l, max |
0.2 |
0.2 |
0.2
|
| 9. |
Mercury (as Hg), mg/l, max |
0.01 |
0.01 |
-
|
| 10. |
Lead (as Pb), mg/l, max |
0.1 |
1.0 |
-
|
| 11. |
Cadmium (as Cd), mg/l, max |
2.0 |
1.0 |
-
|
| 12. |
Total Chromium (as Cr), mg/l, max |
2.0 |
2.0 |
-
|
| 13. |
Copper (as Cu), mg/l, max |
3.0 |
3.0 |
-
|
| 14. |
Zinc (as Zn), mg/l, max. |
5.0 |
15 |
-
|
വർഗ്ഗം:റെപ്പോയിൽ സൃഷ്ടിക്കപ്പെട്ട ലേഖനങ്ങൾ
