| i |
Moisture, percent by weight |
15.0-25.0 |
| ii |
Colour |
Dark brown to black |
| iii |
Odour |
Absence of foul odour |
| iv |
Particle size |
Minimum 90% material should pass through 4.0 mm IS sieve |
| v |
Bulk density (g/cm3) |
<1.0 |
| vi |
Total organic carbon, percent by weight, minimum |
12.0 |
| vii |
Total Nitrogen (as N), percent by weight, minimum |
0.8 |
| viii |
Total Phosphates (a P2O5), percent by weight, minimum |
0.4 |
| ix |
Total Potash (as K2O), percent by weight, minimum |
0.4 |
| x |
C:N ratio |
<20 |
| xi |
PH |
6.5- 7.5 |
| xii |
Conductivity( as dsm-1), not more than |
4.0 |
| xiii |
Pathogens |
Nil |
| xiv |
Heavy metal content, (as mg/Kg), maximum |
|
| |
a)Arsenic ( AS2O3) |
10.00 |
| |
b)Cadmium (as Cd) |
5.00 |
| |
c)Chromium(as Cr) |
50.00 |
| |
d) Copper (as Cu) |
300.00 |
| |
e)Mercury (as Hg) |
0.15 |
| |
f)Nickel (as Ni) |
50.00 |
| |
g) Lead (Pb) |
100.00 |
| |
h) Zinc ( Zn) |
1000.00 |