TABLE 1.

Degradation of PAHs in contaminated soils and after inoculation with PAH-degrading strain BP 9

Soil and inoculation	PAH concn (mg/kg)a at day:
	Phenanthrene		Anthracene		Fluoranthene		Pyrene
	0	98	0	98	0	98	0	98
Native	107 ± 5.3	1.5 ± 0.02	111 ± 4.7	0.07 ± 0.01	107 ± 5.5	89 ± 1.8	103 ± 5.3	85 ± 2.0
Sterilized	99 ± 4.6	82 ± 1.4	108 ± 4.7	94 ± 1.4	103 ± 1.8	88 ± 1.8	99 ± 0.9	84 ± 1.7
Native + BP 9	90 ± 3.7	78 ± 1.1	95 ± 2.0	72 ± 1.0	89 ± 3.0	84 ± 1.3	89 ± 2.8	79 ± 1.1
Sterilized + BP 9	85 ± 1.9	58 ± 1.0	103 ± 2.2	74 ± 0.5	85 ± 1.8	62 ± 1.1	82 ± 1.9	60 ± 0.9

^aValues are means ± standard deviations.