Soil may be brought in from off-site locations, 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.
Okla. Admin. Code § 155:12-3-7
Soil may be brought in from off-site locations, 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.
Okla. Admin. Code § 155:12-3-7