Laboratory Services

En-vision has NABL ISO / IEC 17025 accredited laboratory for Testing and Analysis, which is fully equipped with sophisticated instruments for carrying out analysis of parameters covering various fields like Water, Waste-water, Ambient air, Stack, Soil, Noise, etc. We have passionate, self-motivated, organized team who are committed to provide best services to our valuable clients.

We carry out analysis of following parameters:

1. Water & waste Water :
  • pH
  • Temperature
  • Colour
  • Turbidity
  • Dissolved Oxygen (DO)
  • Total Hardness as CaCO3
  • Calcium Hardness CaCO3
  • Magnesium Hardness as MgCO3
  • Calcium as Ca
  • Magnesium as Mg
  • Total Solids
  • Oil and grease
  • Biological Oxygen Demand (BOD) @27°C for 3 days
  • Sulphates as SO4
  • Sulphides as S-2
  • Reactive Silica As SiO2
  • Iron as Fe
  • Residual Chlorine
  • Odour
  • Phenolic Compounds as C6H5OH
  • Nitrate as NO3
  • Total Alkalinity as CaCO3
  • Chemical Oxygen Demand (COD)
  • Total Dissolved Solids (TDS)
  • Ammonical Nitrogen
  • Suspended Solids
  • Chlorides
  • Conductivity
2. Ambient Air Quality Monitoring :
  • Particulate Matter- PM10
  • Particulate Matter- PM2.5
  • Sulphur Dioxide (SO2)
  • Nitrogen Oxide( NOx)
  • Leq, Lmin, Lmax, SEL (Sound Exposure Level)
3. Stack Emission Monitoring :
  • Particulate Matter(PM)
  • Sulphur Dioxide (SO2)
  • Nitrogen Oxide (NOx)
  • Carbon dioxide (CO2)
4. Soil:
  • pH
  • Conductivity
  • Moisture
  • Water Soluble Salts as Ca
  • Water Soluble Salts as Mg
  • Water Holding Capacity (WHC)
  • Porosity
  • Bulk Density
  • Available Nitrogen as N
  • Specific Gravity
  • Grain Size