Acenaphthene Solution (100 µg/mL in Methanol). U-P-610 ( 1 x 1 mL ) Acenaphthylene Solution (100 µg/mL in Methanol) . U-P-620 ( 1 x 1 mL ) Anthracene Solution (100 µg/mL in Methylene chloride) . U-P-630 ( 1 x 1 mL ) Benzo(a)anthracene So