Lexikon

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Mind
trophic levels, food-chain levels
trouble
tuff

see volcanic tuff

tumor

tumor is an abnormal mass of tissue that results from excessive cell division that is uncontrolled and progressive. Tumors perform no useful body function. Tumors can be either benign (not cancer) or malignant (cancer).

Carcinogenity of chemical substances is tested by the occurence and type of tumors on the test-animals.

turbulence
twister
technical name for stir-bar extraction
TX
Total Halides (EPA SW-846 Method 9076). Measured by elemental analysis (combustion and subsequent coulometric titration) or by summarizing total inorganic (TIX) and organic (AOX/TOX) halides.