TY - CHAP A1 - Semprini, L A1 - Cantaloub, M A1 - Gottipati, S A1 - Hopkins, O A1 - Istok, J T1 - Radon-222 as a tracer for quantifying and monitoring NAPL remediation. Y1 - 1998/06/ N1 - R825689C058 N1 - R825689 SP - 137 EP - 142 ER -