TABLE OF CONTENTS A reagent used in most probable number testing for the coliform group of bacteria, which consists of lactose sugar in a nutrient broth.
Concerned with lakes.
A leat.
(1) An aerated lagoon. (2) A waste stabilisation pond. (3) A settling pond. (4) A sludge lagoon.
An early growth phase of microbes during which the microbes acclimatise to their new environment. The rate of growth is very low. See microbial growth curve , Figure M.2.
Giardia intestinalis.
Giardiasis.
A settling device with parallel, steeply inclined plates, about 50 mm apart. See inclined plate and tube settler.
Motion of fluid at low speeds, in parallel paths and without eddies, unlike turbulent flow. In pipes laminar flow normally occurs at Reynolds numbers below about 2000.
Kelp.
A narrow shaft built of pipes over a hole through the centre of the crown of a sewer. It enables a lamp to be lowered on a cord into the centre of the sewer, which then can be inspected by a man looking along from the next manhole.
The application of sludge from wastewater treatment plants is a common disposal route. Wastewater sludge can have fertiliser and soil conditioning value. The chemical and...
