Substances: 1-3-Diphenylguanidine (InChiKey = OWRCNXZUPFZXOS-UHFFFAOYSA-N) 2-n-Octyl-4-isothiazolin-3-on (InChiKey = JPMIIZHYYWMHDT-UHFFFAOYSA-N) Keywords: dynamics polar organic pollutants sampling Variables: concentration