Section He-P 1610.05 - Contaminated Bare Soil(a) Interim control measures may be utilized as an alternative to abatement of lead-contaminated bare soil if the lead level of the soil is found to be less than 5,000 ppm.(b) For bare soil found to be equal to or greater than 400 ppm in children's play areas or 1,200 ppm average in the rest of the yard, one or more of the following methods shall be utilized:(1) Coverage of the contaminated soil with one of the following:a. Soil that contains less than 200 ppm of lead to a depth of at least 6 inches, covered by grass or sod;b. Stone, crushed rock, or gravel to a depth of at least 6 inches;d. Thorny or dense shrubbery, sufficient to deter access to the soil by children; ore. Bark mulch or wooden nuggets to a depth of at least 6 inches; or(2) Implementation of land use controls, which may include one or more of the following: c. Other forms of land use controls against access to bare soil.N.H. Admin. Code § He-P 1610.05
#9986, eff 9-1-11 (from He-P 1606.06 )
Amended by Volume XL Number 28, Filed July 9, 2020, Proposed by #13052, Effective 6/11/2020, Expires 6/11/2030