1. (A) LC-FD chromatogram of a standard solution mixture of
(1) 1-hydroxynaphthalene, (2) 2-hydroxyfluorene, and (3) 1-
hydroxypyrene at 1000, 50, and 200 ng/g, respectively. (B) LC-FD
chromatogram of a spiked sample with (1) 1-hydroxynaphthalene, (2)
2-hydroxyfluorene, and (3) 1-hydroxypyrene at 1000, 50, and 200 ng/
g, respectively.