Although uncommon, a drug test may report the presence of illegal drugs, even if none were taken. There are plenty of legal foods and medications, from bagels to cough suppressants, which contain minuscule traces of these drugs. Click âView Slideshowâ to see the list of everyday things that contain substances known to cause false-positives.
For the EGRET satellite mission, see Energetic Gamma Ray Experiment Telescope. An egret /ËiËÉ¡rÉt/ is a bird that is any of several herons, most of which are white or buff, and several of which develop fine plumes (usually milky white) during the breeding season. 1 Biology.
The Old World population is often referred to as the great white egret. This species is sometimes confused with the great white heron of the Caribbean, which is a white morph of the closely related great blue heron (A. herodias).escription [edit]. The great egret is a large heron with all-white plumage. Standing up to 1 m (3.3 ft) tall, this species can measure 80 to 104 cm (31 to 41 in) in length and have a wingspan of 131 to 170 cm (52 to 67 in).