TABLE 2.

Abilities of several isolates to utilize a variety of PAHs

Isolatea	% PAH remainingb
	Naphthalene	Biphenyl	Fluorene	Phenanthrene	Pyrene
Pseudomonads
PR-N7	0	85	100	85	90
PR-N9	0	69	78	71	90
PR-N10	40	90	97	89	100
PS-P2	44	51	79	28	100
Gram-positive non- spore formers
PR-N15	0	84	80	68	100
PR-P3	0	84	42	1	100
Spore former
PR-P1	0	0	29	8	100

^aSubstrate utilization experiments were performed using dense-cell suspensions in MSB medium containing the appropriate PAH at a final concentration of 100 μM. Samples were incubated at 28°C at 90 rpm, were extracted with hexane, and were analyzed by gas chromatography. 

^bPercentage remaining was calculated relative to uninoculated controls after 11 days of incubation.