Person: Grummt, Tamara
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1955
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Grummt
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Tamara
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Veröffentlichung Chemicals and cell-based assays in drinking water sources in Manhiça, Mozambique(2021) Villanueva, Cristina M.; Grau-Pujol, Berta; Evlampidou, Iro; Grummt, Tamara; Kuckelkorn, JochenBackground The chemical quality of drinking water is widely unknown in low-income countries. Objective We conducted an exploratory study in Manhiça district (Mozambique) to evaluate drinking water quality using chemical analyses and cell-based assays. Methods We measured nitrate, fluoride, metals, pesticides, disinfection by-products, and industrial organochlorinated chemicals, and conducted the bioassays Ames test for mutagenicity, micronuclei assay (MN-FACS), ER-CALUX, and antiAR-CALUX in 20 water samples from protected and unprotected sources. Results Nitrate was present in all samples (median 7.5†mg/L). Manganese, cobalt, chromium, aluminium, and barium were present in 90-100% of the samples, with median values of 32, 0.6, 2.0, 61, 250†(mirco)g/l, respectively. Manganese was above 50†ÎÌg/l (EU guideline) in eight samples. Arsenic, lead, nickel, iron, and selenium median values were below the quantification limit. Antimony, cadmium, copper, mercury, zinc and silver were not present. Trihalomethanes, haloacetic acids, haloacetonitriles and haloketones were present in 5-28% samples at levels