bare surface definition
Bare soil means soil or sand not covered by grass, sod, other live ground covers, wood chips, gravel, artificial turf, or similar covering. 24 CFR 35.1320(b)(2) (ii) Soil. (A) A soil-lead hazard for play areas frequented by children under 6 years of age shall be bare soil with lead equal to or exceeding 400 micrograms per gram.