Revision history

●June 14, 2024 (June 14, 2024) Ordinance No. 37 (PDF: 647KB)
　Development of related regulations accompanying the new establishment of a system for evaluation and explanation of energy consumption performance of houses and the partial revision of the Act on Improvement of Energy Consumption Performance of Buildings (Architects evaluate the energy consumption performance of houses) Regulations on the obligation to explain to the builder, regulations on the obligation to submit a report to the mayor about the status of the explanation, determine the use and scale of buildings subject to explanatory obligations pertaining to renewable energy use equipment, etc.)

●March 5, 2021 (March 5, 2021) Ordinance No. 8 (PDF: 670KB)
　Amendments accompanying the partial revision of the Air Pollution Control Law and the ordinance on the conservation, etc. of the living environment in Kanagawa Prefecture (asbestos-related: Deletion of rules for preliminary surveys, addition of provisions for recommendations and publication to violators, etc., Other: Addition of notification-free requirements for changes in land characteristics in target areas, review of rules for groundwater collection to prevent land subsidence, review of rules for small-scale fixed internal combustion engines, etc.)

●February 25, 2019 (2019 / 25) Ordinance No. 9 (PDF: 708KB)
　Revision accompanying partial revision of the Soil Contamination Countermeasures Law

●December 25, 2018 (2018 / 12 / 25) Ordinance No. 75 (PDF: 699KB)
　Expand the Global Warming Countermeasures Plan System, establish a system to promote the spread of low-carbon electricity, and organize other related regulations in line with the development of laws.

●June 5, 2014 (June 5, 2014) Ordinance No. 37 (PDF: 787KB)
　Revision of asbestos discharge work

●February 24, 2012 (2/24, 2012) Ordinance No. 16 (PDF: 500KB)
　Revisions in accordance with the revision of ordinances related to the conservation living environment in Kanagawa Prefecture, amendments in accordance with the revision of the Soil Contamination Countermeasures Law, etc. (Definition, procedures for setting up designated offices, restrictions on outdoor combustion, loudspeaker noise regulations, soil contamination and groundwater contamination measures, scope of asbestos discharge work, regulations for reporting accidents, recommendations and publication regulations, penalties, etc.)

●March 5, 2009 (March 5, 2009) Ordinance No. 7 (PDF: 1,150KB)
　Expand the Building Environmental Consideration System (CASBEE Yokohama), expand the Global Warming Countermeasures Plan System, and establish a new system to promote the spread of renewable energy.

●December 25, 2006 (12/25, 2006) Ordinance No. 75 (PDF: 1,890KB)
　"Yokohama City Environmental Council" is "Yokohama City Environmental Creation Council"

●December 24, 2004 (12 / 24, 2004) Ordinance No. 73 (PDF: 385KB)
　Added “Prevention of soil contamination” and “Reduction of environmental impact related to building construction”

●March 5, 2004 (March 5, 2004) Ordinance No. 12 (PDF: 203KB)
　In Article 52, Paragraph 1, "Article 5, Item 1" is changed to "Article 35, Item 1".

●December 25, 2002 (12/25, 2002) Ordinance No. 58 (PDF: 1,531KB)
　Ordinance promulgation

●March 29, 2024 (March 29, 2024) Regulation No. 28 (PDF: 780KB)
　Arrangement of related regulations in line with organizational reform

●March 15, 2024 (March 15, 2024) Regulation No. 12 (PDF: 284KB)
　Revision of the terms of hexavalent chromium compounds in Attached Table 11 and Attached Table 15, rearrangement of other related regulations (enforced on April 1, 2024), Article 34, Paragraph 3 and Attached Table 12 Revised to "E. coli number" (revised on April 1, 2025)

●May 2, 2023 (May 2, 2023) Regulation No. 45 (PDF: 679KB)
　Maintaining the definition of crude oil equivalent energy consumption in accordance with the revision of the Enforcement Order of the Law Concerning the Rational Use of Energy, etc. Added 4 substances such as "aniline" to substances related to emergency measures (water quality)

●June 24, 2022 (June 24, 2022) Regulation No. 51 (PDF: 746KB)
　Changes in attached documents in the notification of changes in land characteristics, etc.

●July 21, 2021 (July 21, 2021) Regulation No. 49 (PDF: 785KB)
　Revision of Ordinance No. 8 on March 5, 2021, review of the frequency of measurement of smoke exhaust, review of regulatory standards for hydrocarbon-based substances, addition of designated facilities related to waste disposal work, etc.

●March 25, 2020 (March 25, 2020) Regulation No. 24 (PDF: 800KB)
　Establishment of equipment standards and exhaust gas standards for installation of facilities that utilize biomass fuel

●June 25, 2019 (June 25, 2019) Regulations No. 9 (PDF: 756KB)
　Provisional standards for boron and fluorine (extension of hot spring business, cancellation of electroplating business), revision of certification method

●March 29, 2019 (March 29, 2019) Regulation No. 26 (PDF: 840KB)
　Along with the partial revision of the Enforcement Regulations of the Soil Contamination Countermeasures Law, expansion of the Global Warming Countermeasures Plan System, establishment of a system to promote the spread of low-carbon electricity, and arrangement of other related regulations.

●May 25, 2018 (5/25, 2018) Regulation No. 49 (PDF: 707KB)
　Extension of provisional drainage standards for 1,4-dioxane, etc.

●March 31, 2017 (March 31, 2017) Regulations No. 32 (PDF: 109KB)
　Housing and Architecture Bureau Building Guidance Department Building Environment Division, Housing and Architecture Bureau Building Guidance Department Building Planning Division, revised quotation clauses related to gas companies

●November 25, 2016 (11/25, 2016) Regulations No. 106 (PDF: 144KB)
　Extension of provisional effluent standards for cadmium

●June 24, 2016 (June 24, 2016) Regulation No. 84 (PDF: 166KB)
　Extension of provisional drainage standards for "boron" and "fluorine"

●October 15, 2015 (10/15, 2015) Regulations No. 80 (PDF: 191KB)
　Revision of regulatory standards for wastewater (trichlorethylene), etc.

●May 25, 2015 (5/25, 2015) Regulations No. 63 (PDF: 134KB)
　Revision of industries and permissible limits in Appendix 2 of the Supplementary Provisions

●November 25, 2014 (11/25, 2014) Regulation No. 73 (PDF: 763KB)
　Revision of regulations on wastewater (cadmium)

●September 25, 2014 (September 25, 2014) Regulations No. 57 and No. 64 (PDF: 821KB)
　Revision of asbestos discharge work

●March 31, 2014 (March 31, 2014) Regulation No. 37 (PDF: 758KB)
　Housing and Architecture Bureau Building Examination Department Building Environment Section, Housing and Architecture Bureau Building Guidance Department Building Environment Section, Article 43, Paragraph 3, Amendments to Japan Standard Industrial Classification, etc.

●June 25, 2013 (June 25, 2013) Regulation No. 65 (PDF: 367KB)
　Extension of provisional drainage standards for "boron", "fluorine", "ammonia, etc."

●January 25, 2013 (1/25, 2013) Regulations No. 4 (PDF: 321KB)
　Added hexamethylenetetramine to substances (water quality) related to emergency measures.

●September 25, 2012 (September 25, 2012) Regulation No. 83 (PDF: 1,823KB)
　February 24, 2012 Regulations Revision with Ordinance No. 16

●February 15, 2012 (2/15, 2012) Regulations No. 5 (PDF: 231KB)
　Revision of Sections 1,1-dichloroethylene in Appendix 11 and Appendix 15

●March 31, 2011 (March 31, 2011) Regulation No. 38 (PDF: 320KB)
　Global Warming Countermeasures Division, Global Warming Countermeasures Division, Environmental Management Division, Environmental Planning Bureau Environmental Conservation Department

●June 25, 2010 (June 25, 2010) Regulation No. 51 (PDF: 1,354KB)
　Revision and extension of provisional effluent standards for "ammonia, etc."; "Quantitative Method for All Sulphur," etc.

●March 25, 2010 (March 25, 2010) Regulation No. 13 (PDF: 2,379KB)
　The “Community Development Coordination Bureau” was established as “Housing and Architecture Bureau” for revisions to surveys on soil, etc., where hazardous substances are used.

●June 5, 2009 (June 5, 2009) Regulation No. 67 (PDF: 769KB)
　Revision of Building Environmental Consideration System (CASBEE Yokohama), Global Warming Countermeasures Plan System, and System for Promoting the Spread of Renewable Energy

●March 31, 2009 (March 31, 2009) Regulation No. 47 (PDF: 147KB)
　In Article 9, item 2, amendments to the Japanese Standard Industrial Classification

●October 3, 2008 (10/3, 2008) Regulation No. 88 (PDF: 636KB)
　Review of Japan Standard Industrial Classification, revision of emission measurement (nitrogen oxides), etc.

●June 25, 2007 (June 25, 2007) Regulation No. 79 (PDF: 573KB)
　Extension of provisional drainage standards for "boron", "fluorine", "ammonia, etc."

●May 25, 2007 (May 25, 2007) Regulation No. 67 (PDF: 843KB)
　Revision of drainage standards for zinc, etc.

●September 29, 2006 (September 29, 2006) Regulation No. 133 (PDF: 1,223KB)
　In Article 47, item 2, "Article 7" is referred to as "Article 7, Paragraph 1".

●March 31, 2006 (March 31, 2006) Regulation No. 84 (PDF: 1,576KB)
　"Town Development Coordinating Bureau Guidance Department Building Guidance Section" is "Town Development Coordinating Bureau Building Examination Department Building Environment Section"

●March 25, 2005 (March 25, 2005) Regulation No. 34 (PDF: 521KB)
　Added “Prevention of soil contamination” and “Reduction of environmental impact related to building construction”

●June 25, 2004 (June 25, 2004) Regulation No. 76 (PDF: 281KB)
　Revision of restrictions on outdoor burning activities, revision of provisional drainage standards in the separate table of the Supplementary Provisions

●April 1, 2004 (April 1, 2004) Regulation No. 49 (PDF: 212KB)
　“Article 2, Paragraph 2” is changed to “Article 3, Paragraph 2” in the column of the contents of the work in Paragraph 57 of the attached table.

●April 1, 2004 (April 1, 2004) Regulation No. 46 (PDF: 248KB)
　In Article 94, "Or environmental business director" shall be added after "Environmental Conservation Bureau Director".

●March 7, 2003 (March 7, 2003) Regulation No. 17 (PDF: 4,102KB)
　Promulgation of rules