a) APPLICABILITY - All uses and activities in all Zoning Districts, established after the effective date of this Section shall comply with the following standards. All existing uses and activities in compliance with the following standards on the effective date of this Section shall continue in compliance, and all existing uses and activities not in compliance with Sections 1307.02 Noise and 1307.11 Application of Performance Standards, on the effective date of this Section shall, within two (2) years following the effective date of the determination of the violations of this Section, bring themselves into compliance.