title: Comments on "validation of two innovative methods to measure contaminant mass flux in groundwater" by Goltz et al.
authors.affiliation: CH2M HILL Inc., 6 Hutton Center Drive, Suite 700, Santa Ana, CA 92707, USA. Electronic address: Kerang.Sun@gmail.com.
authors.forename: Kerang
authors.initials: K
authors.lastname: Sun
mesh_terms: D004784:Environmental Monitoring / Q000379:methods*; D005618:Fresh Water / Q000032:analysis*; D014874:Water Pollutants, Chemical / Q000032:analysis*
chemical_list: D014874:Water Pollutants, Chemical