Environmental Monitoring and Lab testing
We conduct Environmental Monitoring
as per the set
standards of SPCB with highest quality approved
and
calibrated instruments.
- Environmental Monitoring and Lab testing
In exercise of the powers conferred under sub-section (3) of Section 16 and sub-section (2) of Section 17 read with sub-section (4) of Section 4 of the Water (Prevention and Control of Pollution) Act, 1974 (Act 6 of 1974) alongwith rule 28 of the Water (Prevention and Control of Pollution) Rules, 1975, and under sub-section(3) of Section 16 of Air (Prevention and Control of Pollution) Act, 1981 (Act 14 of 1981), the Central Pollution Control Board has established the Board’s Laboratories at different locations. The laboratories which are accredited from the Moef, NABL, and SPCB can only take the samples and analyse the various parameters of Air, Water, Noise, Soil, Stack emission, etc.
Environmental monitoring is conducted on quarterly, six monthly, or yearly basis as per the categorisation of industries into Red, Orange, Green of CPCB and SPCB.
- Types of Environmental Monitoring
- There are different types of Environmental monitoring conducted in Industrial, Infrastructure, and mining sectors depending on the nature of the business and operation. It can be as followings:
- Ambient Air Quality Monitoring
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- Ambient Air quality monitoring is conducted to capture the Air Pollutants such as Dust, Particulate matter and oxides of sulphur, nitrogen and carbon.
- The air pollutants and gases are sampled using the equipment ‘Respirable Dust Sampler.’
- Ambient air quality monitoring can be carried out indoor and outdoor as per the site specific requirements.
- Site specific sampling, analysis and testing of Ambient Air quality parameters are known as primary data collection.
- Water and Wastewater Quality Monitoring
- As far as CPCB categorisation of industries are concerned, there are detailed lists of red category, orange category and green category industries.
- In most of the manufacturing and production units raw water is the key ingredient throughout the production process till the delivery of the final product.
- Operational process leads to the effluent generation that needs the physical, chemical and biological treatment before discharging into the drain or sewer line or may be recycled within the industry.
- The excess effluent should be discharged in compliance with the prescribed limits of effluent defined by the Central Pollution Control Board.
- The sewage or effluent from the inlet and outlet points should be sampled, collected and tested regularly to check whether the effluent is conforming to the standards of Pollution control board or it needs further treatment.
- The common parameters of effluent that need to be checked are Color, Odour, Ph Negative logarithm of hydrogen ion concentration in the solution, acidic nature of solution increases as PH decreases and vice versa. , TDS (Total Dissolved Solids) Dissolved organic matters and inorganic salts like sodium, potassium, calcium, magnesium, chloride, bicarbonates, and sulfates in water , BOD (Biochemical oxygen demand) Amount of oxygen required by Bacteria to decompose the organic matter , COD (Chemical oxygen demand) Oxygen required in water to oxidize the chemical organic matter , TSS (Total suspended solids) Total Suspended Solids = Total Solids –Total Dissolved Solids (Dry Weight of Filter and Trapped Material – Dry Weight of Filter)/Volume of Water Sample
- Ambient Noise Quality Monitoring
- Based upon the revised criteria, Re-Classification of industries into red, orange, green and whire categories has been evolved.
- The relative pollution index has introduced the concept of various categories.
- The industrial, Infrastructure and mining activities can be operated during day and night adhering to the noise decibel limits prescribed by the CPCB.
- The aforesaid Industrial activities are classified into Silence zone, Residential zone, commercial zone and industrial zone.
- The Ambient noise limits should not exceed the prescribed limits with respect to the zones.
- Sound Level Meter is used to measure the noise level (decibels).
- Stack emission level Monitoring
- In the Industrial process, it takes a series of operations that converts the industrial raw material into final products.
- Some obnoxious flue gases released into the atmosphere from the stack during the combustion of fuel, and incineration.
- The gaseous emission from the stack should be monitored regularly and shall conform to the permissible limits defined by the CPCB and SPCBs.
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