The method used to test or evaluate the discharge may not be applicable to the situation.  A lack of available data on the location of storm drains and sanitary sewers, especially in older industrial facilities, may make identifying an illicit connection difficult.
Knowledge center. Angioedema, also known as Quincke's edema is the rapid edema (swelling) of the deep layers of skin-the dermis, subcutaneous tissue, mucosa and submucosal tissues.Although similar to urticaria (hives), urticaria only occurs in the upper dermis.A significant number of patients have both urticaria and angioedema.nowledge center. Angioedema, also known as Quincke's edema is the rapid edema (swelling) of the deep layers of skin-the dermis, subcutaneous tissue, mucosa and submucosal tissues.
Angioedema is a form of severe swelling beneath the skinâs surface. In some cases, the swelling occurs along with the appearance of hives. This is why angioedema is sometimes referred to as âgiant hives.â Hives are itchy, red welts that develop on the surface of the skin. Both angioedema and hives are typically caused by an allergic reaction to food or medication.