…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…

…ding of a substituted or additional class of security under Rule 12a-5. [ 33 FR 18995 , Dec. 20, 1968] Editorial Note Editorial Note: For Federal Register citations affecting Form 26, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed …