Yokohama City Ordinance on conservation, etc. of Living Environment

From October 1, 2021, the ordinance on conservation, etc. of Yokohama City Living Environment was partially revised.

Regulation standards for smoke exhaust

	Regulations for each facility	+ Regulations based on particulate matter (*)
・　Sulphur oxides	Enforcement Regulations Schedule No. 2 (PDF: 77KB)	＋　Enforcement Regulations Attached Table No. 8 (PDF: 117KB)
・　Nitrogen oxides	Table 3 by Enforcement Regulations (PDF: 101KB)	＋　Enforcement Regulations Attached Table No. 8 (PDF: 117KB)
・　Hydrocarbon-based substances	Enforcement Regulations Attached Table No. 4 (PDF: 104KB)
・　Soot and dust	Enforcement Regulations Appendix No. 5 (PDF: 410KB)	＋　Enforcement Regulations Attached Table No. 8 (PDF: 117KB)
・　Smoke emission specified substances	Enforcement Regulations Attached Table No. 6 (PDF: 81KB)	＋　Enforcement Regulations Attached Table No. 8 (PDF: 117KB) (hydrogen chloride)
・　Dioxins	Enforcement Regulations Attached Table No. 7 (PDF: 98KB)

※ The regulatory standards for particulate matter stipulate the permissible limits for sulfur oxides, nitrogen oxides, soot, and hydrogen chloride as causative substances. If you have a facility that emits these substances, please comply with the particulate matter regulatory standards in Schedule 8 (PDF: 117KB) of Enforcement Regulations. .

※ There are guidelines based on the ordinance Article 39 (guidelines for reducing the burden on the environment (items to be considered by establishments) (PDF: 268KB)).

• Enforcement Regulations Appendix No. 9 (PDF: 67KB)

• Enforcement Regulations Attached Table No. 10 (PDF: 52KB)
• Evaluation method for odors (PDF: 70KB)

• Procedures for notification
• Guidance standard (PDF: 190KB) about prevention of air pollution by smoke exhaust of small-scale fixed internal combustion engines and gas turbines

• Procedures for notification
• Guidance standards for prevention of air pollution by asbestos discharge work (PDF: 127KB)

• List of registration form (Air Relations)

• Ordinance (outside site) about conservation of Yokohama-shi living environment (we link to collection of Yokohama-shi regulations.)
• Ordinance enforcement regulations (outside site) about conservation of Yokohama-shi living environment (we link to collection of Yokohama-shi regulations.)