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Table 2

Shows instruments and used methods for chemical, physical, and bacteriology tests.

Test parameter Equipment or stuff Standard method Uncertainty
Bacteriological (Coliform & E. coli) Colilert method APHA 9222B (Colifor m) & APHA 9222D, (E. Coli) Color change
pH, electrical conductivity (EC), turbidity, temperature Thermo pH, EC Meters EPA150.1 & EPA, 180.1 & Std Method pH ± 0.02
EC ± 20%
Chloride, alkalinity, total hardness & calcium hardness Titration by digital burette APHA 2320B ±5%
Sodium & Fluoride Ion Selective, Electrode. (ISE) Direct measurement ±5%
SO4 2− & PO4 2− & NO3 UV Spectrophotometer DR6000 EPA method 300.0 ±5%
Relative humidity Humidity meter, HTC-1 Direct measurement, RH% ±5%
Solar intensity Digital light intensity meter, Type MT-4617 Direct measurement ±3%
Temp. measurement Digital thermometer, JR-1 Direct measurement ±0.1 °C

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