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 can be caused by:â¢ organic particles, such as decomposed plant and animal matter, or living biological organisms (ex: algae) â¢ inorganic particles (silt, clay and natural chemical compounds like calcium carbonate)Turbidity in surface water bodies usually has organic and inorganic matter.