Which regulation takes precedence in the Classified Installations vs. Noise duel?
Regulations: knowing which takes precedence when several apply

Legislation governing classified installations directly incorporates technical requirements relating to noise emissions. Prefectoral or ministerial decrees systematically mention noise emission standards, and the points and frequency of acoustic checks.

Classified facilities must be built, equipped and operated in such a way that their operation cannot give rise to airborne or solid-borne noise likely to compromise the health or safety of the neighbourhood, or constitute a nuisance for it. These rules apply to the overall noise emitted by all activities carried out within the perimeter of the establishment, including noise emitted by transport vehicles, handling equipment or site machinery.

The penal provisions relating to the fight against neighborhood noise contained in the Public Health Code do not apply to classified installations....