…ither the federal MCL or background concentration, for two consecutive sampling events, consistent with §§ 257.95(e) and (h). Additionally, the owner or operator must include documentation that the system meets a subset of performance standards at §§ 257.91(a) through (e), 257.93…

…s wanes with repeated exposure, usually in the absence of unpleasant associated events (Wartzok et al., 2004). Animals are most likely to habituate to sounds that are predictable and unvarying. It is important to note that habituation is appropriately considered as a “progressive…