Fate of sex hormones (estrone, estradiol, testosterone)in waste from concentrated broiler feeding operations; Runoff concentrations and effects of repeated applications of a glyphosate-based Herbicide in small aquatic systems; Agricultural chemicals and storm water Runoff: Potential impacts on rare and threatened aquatic species in the upper conasauga river; Quantifying VOC interactions with particulate matter for the development of odor transport models; In-situ remediation of halogenated organic compounds in ground waters using iron sulfide. Distribution and fate of perfluoro-carboxylates in surface waters and sediments of the Lower Conasauga River; Design of a constructed wetland to remediate contaminated groundwater and study of phytochemical degradation of 1,2-dichlorobenzene, 1,3-dichlorobenzene, 1,4-dichloro-benzene, nitrobenzene, aniline, 2,4-diaminotoluene, 2,6-diaminotoluene, 2,4-dinitrotoluene and 2,4-dinitrotoluene in waste waters; Chemical evaluations of textile effluents including metals, anions, naphthalene sulfonic acid, polybromodiphenyloxides, nonylphenolethoxylates and antimicrobial agents.