Table 1. Data obtained by chromatographic analyses of samples headspace.

Strain number	Measurement	Benzene [mg/m3]	Toluene [mg/m3]	Ethylbe nzene [mg/m3]	Xylenes [mg/m3]	Trichloro ethylene [mg/m3]	1,4- Dichloro benzene [mg/m3]	Methyl or ethyl esters of benzoic acid
G5/15	A		43
	B		46				26
	C		37				17
G6/15	A		51				81
	B	26	57			17	81
	C		26				34
G7/15	A	27	63	26		18	54
	B	31	82	21		26	42
	C	11	64			18	42
G8/15	A		18			22	36
	B		18			27	43	x
	C		18			22	36	x
G9/15	A		22				92
	B	44	26				61	x
	C		19				53	x
G10/15	A		56	31			46
	B		48	24			74	x
	C		53	29			62	x
G11/15	A		44	44	57	43	51
	B		32	48	49	51	68
	C		28	26	42	41	29
G13/15	A		78	32			56
	B		72	39	18		59	x
	C		41	32			18	x
G13/15a	A		97				43
	B		127				52
	C		72				26
G14/15	A		122				29
	B		143				42
	C		46				12