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PARAMETERS
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SAMPLING DURATION
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SAMPLING METHODOLOGY
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WATER QUALITY MONITORING
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ph Value
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In-situ
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Sampling Method: Direct measurement
Apparatus: Portable pH Meter, Mettler Toledo-MP230K
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Dissolved Oxygen (DO)
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In-situ
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Sampling Method: Direct measurement
Apparatus: Dissolved Oxygen Meter, Hanna (H14193)
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NOISE MEASUREMENT
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Noise
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In-situ Reading
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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.
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AMBIENT AIR QUALITY
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Total Suspended Particulate (TSP)
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24 hours
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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
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Nitrogen Dioxide
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24 hours
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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
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Sulphur Dioxide
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24 hours
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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
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Carbon Monoxide
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24 hours
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Sampling Method: Diffusion Sampling
Apparatus: Gastec Passive Dosi-Tube for CO
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Wind Velocity
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Direct Reading
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Sampling Method: Direct measurement
Apparatus: Anemometer, Model AM 4202
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Relative Humidity
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Direct Reading
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Sampling Method: Direct measurement
Apparatus: G.H Zeal Limited, ZEAL Digital Thermo Hygro, Model P2540 (20/95% Relative Humidity and 50/70 Deg.C).
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Air Temperature
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Direct Reading
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Sampling Method: Direct measurement
Apparatus: G.H Zeal Limited, ZEAL Digital Thermo Hygro, Model P2540 (20/95% Relative Humidity and 50/70 Deg.C).
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