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Chapter 5 — NONRESIDENTIAL MANDATORY MEASURES

Section 5.508 OUTDOOR AIR QUALITY

California Green Building Standards Code (Title 24, Part 11) · 2019 edition · updated 2026-09-12 · California

5.508.1 Ozone depletion and greenhouse gas reductions. Installations of HVAC, refrigeration and fire suppression equipment shall comply with Sections 5.508.1.1 and 5.508.1.2.

5.508.1.1 Chlorofluorocarbons (CFCs). Install HVAC, refrigeration and fire suppression equipment that do not contain CFCs.

5.508.1.2 Halons. Install HVAC, refrigeration and fire suppression equipment that do not contain Halons.

5.508.2 Supermarket refrigerant leak reduction. New commercial refrigeration systems shall comply with the provisions of this section when installed in retail food stores 8,000 square feet or more conditioned area, and that utilize either refrigerated display cases, or walk-in coolers or freezers connected to remote compressor units or condensing units. The leak reduction measures apply to refrigeration systems containing high-global-warming potential (high-GWP) refrigerants with a GWP of 150 or greater. New refrigeration

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▸Contents — California Green Building Standards Code (Title 24, Part 11)
California Green Building Standards Code (Title 24, Part 11)
  1. Chapter 1 — ADMINISTRATION
  2. Chapter 2 — DEFINITIONS
  3. Chapter 3 — GREEN BUILDING
  4. Chapter 4 — RESIDENTIAL MANDATORY MEASURES
  5. ▸Chapter 5 — NONRESIDENTIAL MANDATORY MEASURES
    Overview
    1. Section 5.101
    2. Section 5.102
    3. Section 5.103
    4. Section 5.104
    5. Section 5.105
    6. Section 5.106
    7. Section 5.201
    8. Section 5.301
    9. Section 5.302
    10. Section 5.303
    11. Section 5.304
    12. Section 5.305
    13. Section 5.401
    14. Section 5.402
    15. Section 5.403
    16. Section 5.404
    17. Section 5.405
    18. Section 5.406
    19. Section 5.407
    20. Section 5.408
    21. Section 5.409
    22. Section 5.410
    23. Section 5.501
    24. Section 5.502
    25. Section 5.503
    26. Section 5.504
    27. Section 5.508 OUTDOOR AIR QUALITY
    28. Section 5.505
    29. Section 5.506
    30. Section 5.507
  6. Chapter 6 — REFERENCED ORGANIZATIONS AND STANDARDS
  7. Chapter 7 — INSTALLER AND SPECIAL INSPECTOR QUALIFICATIONS
  8. Chapter 8 — COMPLIANCE FORMS, WORKSHEETS AND REFERENCE MATERIAL
  9. Appendix A4
  10. Appendix A5

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