QUESTION 8 The concentration of a groundwater pollutant is expected to decline exponentially at a contaminated site because of remediation being conducted at the site. The current concentration of the pollutant is about 5,000 mg/L. What concentration by the end of 6 years of remediation could be expected if the rate of decline is 6% every 6 months? Express your answer to the nearest integer value in mg/L. QUESTION 9