Problem
Contamination event of concern: Large spill of leaded gasoline that infiltrated the soil and may have contaminated groundwater.
Soil type: Gravel/loam mixture, slightly acidic, presence of large stones/boulders. Low cation exchange capacity and water holding ability.
• To delineate the extent of contamination in the soil, what sampling plan would you use and why?
• To determine if the groundwater has been contaminated, what sampling plan would you use and why?