TABLE 1.

[1-¹³C]naphthalene balance after degradation in a mineral medium for 96 h at 60°C

Naphthalene type	Expt 1		Expt 2
	μMa	%	μMa	%
Applied naphthalene	74.42	100.0	37.98	100.0
Remaining naphthalene	0.09	0.1	0.02	0.1
Mineralized naphthalene	57.62	77.4	31.24	82.2
Metabolites	<0.01	<0.1	<0.01	<0.1
Naphthalene transformed into biomass	15.62	21.0	6.61	17.4
Total balanced naphthalene	73.33	98.5	37.9	99.7

^aNaphthalene equivalents.