| Sr. No. |
Parameters |
Method |
PEQS |
| 1 |
Temperature |
Thermometric |
40 |
| 2 |
pH |
Electrometric |
6-9 |
| 3 |
Chemical Oxygen Demand (COD) |
Colorimetric |
150 |
| 4 |
Biochemical Oxygen Demand (BOD5) |
Respirometric |
80 |
| 5 |
Total Dissolved Solids (TDS) |
Gravimetric |
3500 |
| 6 |
Total Suspended Solids (TSS) |
Gravimetric |
200 |
| 7 |
Oil & Grease |
Partition-Gravimetric |
10 |
| 8 |
Chromium (Hexa & Trivalent) |
Colorimetric |
1.0 |
| 9 |
Sulphate (SO42-) |
Gravimetric method with ignition of residue |
600 |
| 10 |
Iron (Fe2+) |
Direct Air-Acetylene flame |
8 |
| 11 |
Chlorine (Cl2) Free |
DPD Colorimetric |
1.0 |
| 12 |
Fluoride (F–) |
SPADNS |
10 |
| 13 |
Chloride |
Titrimetric |
1000 |
| 14 |
Ammonia (NH3) |
Titrimetric |
40 |
| 15 |
Cadmium |
Colorimetric |
0.1 |
| 16 |
Lead |
Dithizone |
0.5 |
| 17 |
Arsenic |
Continuous Hydride Generation/Atomic Absorption Spectrometric |
1.0 |
| 18 |
Copper |
Direct Air-Acetylene flame |
1.0 |
| 19 |
Barium |
Direct Air-Acetylene flame |
1.5 |
| 20 |
Silver |
Direct Air-Acetylene flame |
BDL |
| 21 |
Manganese |
Direct Air-Acetylene flame |
1.5 |
| 22 |
Zinc |
Zincon |
5.0 |
| 23 |
Nickel |
Direct Air-Acetylene flame |
1.0 |
| 24 |
Boron |
Direct Nitrous Oxide/Acetylene flame |
6.0 |
| 25 |
Mercury |
Cold-Vapor Atomic Absorption Spectrophotometric |
0.01 |
| 26 |
Sulphide (S-2) |
Iodometric |
1.0 |
| 27 |
Cyanide |
Titrimetric |
1.0 |
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