Grab sample means an individual sample collected in less than 15 minutes in conjunction with an instantaneous flow measurement.
Fluoroscopic imaging assembly means a subsystem in which X-ray photons produce a visual image. It includes the image receptor(s) such as the image intensifier and spot-film device, electrical interlocks, if any, and structural material providing linkage between the image receptor and diagnostic source assembly.
Filter means material placed in the useful beam to preferentially absorb selected radiations.
Anaerobic digester means a liquid manure storage area that is constructed with the intent to capture and combust gas emissions resulting from the digestion of waste by microbes in anaerobic conditions. An anaerobic digester is a LMSA and is required to comply with all requirements applicable to LMSAs. Requirements specific to anaerobic digesters will be noted when applicable.
Library means an organized collection of resources made accessible to the public for reference or borrowing supported with money derived from taxation.