free groundwater
71Dutch standards — are environmental pollutant reference values (i.e., concentrations in environmental medium) used in environmental remediation, investigation and cleanup.[1] Barring a few exceptions, the target values are underpinned by an environmental risk… …
72Hexavalent chromium — Hex chrome redirects here. For the color printing process, see Hexachrome. An example of a chromium(VI) compound: chromium trioxide Hexavalent chromium (chromium VI) refers to chemical compounds that contain the element chromium in the +6… …
73spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …
74Drainage system (agriculture) — An agricultural drainage system is a system by which the water level on or in the soil is controlled to enhance agricultural crop production. Contents 1 Classification 1.1 Surface drainage systems 1.2 Subsurface drainage systems …
75Everglades — is also the name of a city in Collier County, Florida.The Everglades are a subtropical wetland located in the southern portion of the U.S. state of Florida, comprising the southern half of a large watershed. The system begins near Orlando with… …
76Water content — Soil composition by phase: s soil (dry), v void (pores filled with water or air), w water, a air. V is volume, M is mass. Water content or moisture content is the quantity of water contained in a material, such as soil (called soil moisture),… …
77Dewatering — (pronounced de water ing) is the removal of water from solid material or soil by wet classification, centrifugation, filtration, or similar solid liquid separation processes, such as removal of residual liquid from a filter cake by a filter press …
78Solar energy — is the light and radiant heat from the Sun that powers Earth s climate and weather and sustains life. Since ancient times it has been harnessed for human use through a range of technologies. Solar radiation along with secondary solar resources… …
79Monsanto — This article is about the corporation. For other uses, see Monsanto (disambiguation). Monsanto Company Type Public company Traded as NYSE:  …
80Partition coefficient — In chemistry and the pharmaceutical sciences, a partition (P) or distribution coefficient (D) is the ratio of concentrations of a compound in the two phases of a mixture of two immiscible solvents at equilibrium.[1] The terms gas/liquid partition …
