Working Level (WL): A unit of measurement for documenting exposure to radon decay products. One working level is equal to approximately 200 picoCuries per liter.

 

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Working Level (WL): A unit of measurement for documenting exposure to radon decay products. One working level is equal to approximately 200 picoCuries per liter.

No Observable Adverse Effect Level (NOAEL): From long-term toxicological studies of agricultural chemical active ingredients, levels which indicate a safe, lifetime exposure level. Used in setting pesticide residue tolerances.

No-Observed-Adverse-Effect Level (NOAEL): The highest tested dose of a substance that has been reported to have no harmful (adverse) health effects on people or animals.

Next Generation Water Level Measurement System (NGWLMS): A fully integrated system encompassing new technology sensors and recording equipment, multiple data transmission options, and an integrated data processing, analysis, and dissemination subsystem.

Networking: Generating prospects through a real estate professionals communications with friends and professional associates.

Number Of Days Sales Invested In Working Capital: An alternative measure of the amount of working capital used in generating the sales of a period: computed by dividing 365 days by the working capital turnover.

Relative Mean Sea Level Change: A local change in mean sea level relative to a network of bench marks established in the most stable and permanent material available (bedrock, if possible) on the land adjacent to the tide . . . View Full Definition

Sea Level Datum (SLD): An obsolete term. See National Geodetic Vertical Datum of 1929 and mean sea level.

Sea Level: The height or level of the sea surface at any time. It is used as a reference for elevations above and below.

Resistance Level: A price level above which it is supposedly difficult for a security or market to rise. Price ceiling at which technical analysts note persistent selling of a commodity or security. Antithesi . . . View Full Definition