Other Services Track Record
PARAMETERS
SAMPLING DURATION
SAMPLING METHODOLOGY
WATER QUALITY MONITORING
ph Value
In-situ
Sampling Method: Direct measurement
Apparatus: Portable pH Meter, Mettler Toledo-MP230K
Dissolved Oxygen (DO)
In-situ
Sampling Method: Direct measurement
Apparatus: Dissolved Oxygen Meter, Hanna (H14193)
NOISE MEASUREMENT
Noise
In-situ Reading
Sampling Method: Direct measurements using Sound Level Meter Type 1, Parameter to be recorded are Leq, Lmin, Lmax, L10, L50, and L90.
Apparatus: Quest 1900 Precision Sound Level Meter.
AMBIENT AIR QUALITY
Total Suspended Particulate (TSP)
24 hours
Sampling Method: Air sample will be collected on a pre-weight filter paper using High Volume Sampler. The mass concentration is computed by measuring the mass off collected particulate and the volume of air sampled.
Apparatus   : High Volume Sampler
: GFA Filters
: Analytical Balance
Nitrogen Dioxide
24 hours
Sampling Method: NO2 is trapped in absorbing reagent (CDR) using air metering device and analysed by Griess-Saltzman Reaction Method.
Apparatus   : Air Metering Device,
: Impingers with absorbing reagents
: Spectrophotometer
Sulphur Dioxide
24 hours
Sampling Method: SO2 is trapped in absorbing reagent (TCM) using air metering device and analysed by TCM/Pararosaniline method.
Apparatus   : Air Metering Device,
: Impingers with absorbing reagents
: Spectrophotometer
Carbon Monoxide
24 hours
Sampling Method: Diffusion Sampling
Apparatus: Gastec Passive Dosi-Tube for CO
Wind Velocity
Direct Reading
Sampling Method: Direct measurement
Apparatus: Anemometer, Model AM 4202
Relative Humidity
Direct Reading
Sampling Method: Direct measurement
Apparatus: G.H Zeal Limited, ZEAL Digital Thermo Hygro, Model P2540 (20/95% Relative Humidity and 50/70 Deg.C).
Air Temperature
Direct Reading
Sampling Method: Direct measurement
Apparatus: G.H Zeal Limited, ZEAL Digital Thermo Hygro, Model P2540 (20/95% Relative Humidity and 50/70 Deg.C).