Variable
precipitation_amount
anthracene
PCB_101
PCB_118
PCB_138
PCB_153
PCB_180
PCB_28
PCB_52
acenaphthene
acenaphthylene
alpha_HCH
benz_a_anthracene
benzo_a_pyrene
benzo_b_fluoranthene
benzo_k_fluoranthene
chrysene
dibenzo_ah_anthracene
fluorene
gamma_HCH
phenanthrene
pp_DDD
pp_DDE
pp_DDT
pyrene
calcium
conductivity
magnesium
pH
potassium
sodium
sulphate_corrected_mg_S_per_l
sulphate_corrected_mg_per_l