Ground based in situ observations of wet_only_sampler at Zingst (DE0009R). These measurements are gathered as a part of the following projects EMEP, HELCOM and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: alpha_HCH in precip (mass_concentration_of_alpha_hexachlorocyclohexane_in_precipitation), alpha_HCH in precip_tot (mass_concentration_of_alpha_hexachlorocyclohexane_in_precipitation), alpha_HCH in precip (mass_concentration_of_alpha_hexachlorocyclohexane_in_precipitation), alpha_HCH in precip_tot (mass_concentration_of_alpha_hexachlorocyclohexane_in_precipitation), gamma_HCH in precip (mass_concentration_of_gamma_hexachlorocyclohexane_in_precipitation), gamma_HCH in precip_tot (mass_concentration_of_gamma_hexachlorocyclohexane_in_precipitation), gamma_HCH in precip (mass_concentration_of_gamma_hexachlorocyclohexane_in_precipitation), gamma_HCH in precip_tot (mass_concentration_of_gamma_hexachlorocyclohexane_in_precipitation)