| Sr. No. |
Parameter |
Method |
PEQS |
| 1 |
pH |
Electrometric |
6.5-8.5 |
| 2 |
Total Dissolved Solids (TDS) |
Gravimetric |
1000 |
| 3 |
Chloride |
Argentometric |
250 |
| 4 |
Fluoride |
SPADNS |
1.5 |
| 5 |
Taste |
By Sensory |
Unobject. |
| 6 |
Odour |
By Sensory |
Unobject. |
| 7 |
Colour |
Visual Comparison |
15 |
| 8 |
Nitrate (as NO3–) |
Cadmium Reduction |
50 |
| 9 |
Nitrite (as NO2–) |
Diazotization |
3 |
| 10 |
Lead |
Dithizone |
0.05 |
| 11 |
Total Hardness as CaCO3 |
EDTA Titrimetric |
500 |
| 12 |
Turbidity |
Nephlometric |
5 |
| 13 |
Zinc |
Zincon |
3 |
| 14 |
Manganese |
Direct Air-Acetylene flame |
0.5 |
| 15 |
Copper |
Direct Air-Acetylene flame |
2 |
| 16 |
Aluminum |
Direct Nitrous Oxide/Acetylene flame |
0.2 |
| 17 |
Chromium |
Colorimetric |
0.050 |
| 18 |
Cadmium |
Colorimetric |
0.01 |
| 19 |
Boron |
Direct Nitrous Oxide/Acetylene flame |
0.300 |
| 20 |
Barium |
Direct Air-Acetylene flame |
0.700 |
| 21 |
Antimony |
Continuous Hydride Generation/Atomic Absorption Spectrometric method |
0.005 |
| 22 |
Arsenic |
Continuous Hydride Generation/Atomic Absorption Spectrometric |
0.05 |
| 23 |
Cyanide |
Titrimetric |
0.05 |
| 24 |
Mercury |
Cold-Vapor Atomic Absorption Spectrophotometric |
0.001 |
| 25 |
Nickel |
Direct Air-Acetylene flame |
0.020 |
| 26 |
Residual Chlorine |
DPD Chlorine Method |
0.2 – 0.5 |
| 27 |
Total Coliform |
Membrane Filtration Method |
0/100 ml |
| 28 |
E.Coli |
Membrane Filtration Method |
0/100 ml |