Sounds promising. I wonder what this 'another agent' is?
' Deeper contaminated soil and ground water will be treated using a technology that locks the mercury in a mixture of Portland cement and another agent, preventing it from moving into the surrounding soil and ground water. '
' Deeper contaminated soil and ground water will be treated using a technology that locks the mercury in a mixture of Portland cement and another agent, preventing it from moving into the surrounding soil and ground water. '