Variable
coronene
benzo_ghi_perylene
benzo_b_fluorene
dibenzo_ae_pyrene
2-methylnaphthalene
pyrene
2-methylanthracene
inden_123cd_pyrene
benzo_a_fluoranthene
dibenzo_ai_pyrene
1-methylnaphthalene
acenaphthene
fluoranthene
benzo_a_fluorene
benzo_a_pyrene
naphthalene
perylene
2-methylphenanthrene
dibenzo_ac_ah_anthracenes
retene
dibenzothiophene
biphenyl
benzo_ghi_fluoranthene
benz_a_anthracene
3-methylphenanthrene
phenanthrene
anthracene
benzo_e_pyrene
1-methylphenanthrene
anthanthrene
precipitation_amount
benzo_bjk_fluoranthenes
fluorene
cyclopenta_cd_pyrene
dibenzofuran
9-methylphenanthrene
acenaphthylene
dibenzo_ah_pyrene
chrysene_triphenylene