NHS fetal anomaly screening programme (FASP) and Population screening programmes. Read an overview of the NHS fetal anomaly screening programme (FASP), and learn how to contact the programme.
These small solid particles cause the liquid to appear turbid. Turbidity (or haze) is also applied to transparent solids such as glass or plastic. In plastic production haze is defined as the percentage of light that is deflected more than 2.5Â° from the incoming light direction.
Turbidity is an optical quality of water and describes how. clear or transparent the water is. It describes the degree to. which water contains particles that cause cloudiness or. muddiness resulting in the disturbance of sunlight. Water is. turbid â that is cloudy, opaque or thick â when it contains. suspended silt.