The compund consists of components such as, acenaphthene (100 μg/ml), acenaphthylene (100 μg/ml), anthracene (100 μg/ml), benz(a)anthracene (10 μg/ml), benzo(a)pyrene (10 μg/ml), benzo(b)fluoranthene (10 μg/ml), benzo(ghi)perylene (10 μg/ml), benzo(k)fluoranthene (5 μg/ml), chrysene (10 μg/ml), dibenz(a,h)anthracene (10 μg/ml), fluoranthene (10 μg/ml), fluorene (100 μg/ml), indeno(1,2,3-cd)pyrene (10 μg/ml), 1-methylnaphthalene (100 μg/ml), 2-methylnaphthalene (100 μg/ml), naphthalene (100 μg/ml), phenanthrene (100 μg/ml), pyrene (10 μg/ml).