Soil may be brought in from an off-site location, and may include any growth media that will support vegetation, will provide a stable growing surface, and will not create a hazard to public safety.
Ariz. Admin. Code § R11-2-705
Soil may be brought in from an off-site location, and may include any growth media that will support vegetation, will provide a stable growing surface, and will not create a hazard to public safety.
Ariz. Admin. Code § R11-2-705