Biological oxygen demand (BOD) is a measure of

Biochemical oxygen demand (BOD) is a measure of

Biochemical oxygen demand (BOD) is a measure of organic meterial present in water : BOD value less than 5 ppm indicates a water sample to be

Biochemical Oxygen demand (BOD) is a measure of organic metrtal present in water BOD value less than 5 ppm indicate w water sample to be

Biochemical Oxygen Demand (BOD) is a measure of:

Biochemical Oxygen Demand (BOD) is a measure of:

Biochemical Oxygen Demand (BOD) is a measure of organic materials present in water. If BOD value is less than 5ppm then water sample is to be

BOD (biological oxygen demand) is

BOD (biological oxygen demand) is