		d
		Oxidation				Reduction
		5 mm	10 mm	15 mm	5 mm		10 mm	15 mm
Regions	I	0.88	0.88	0.84	0.79		0.69	0.69
	II	0	0	0	0		0	0
	III	0.88	0.88	0.84	0.79		0.69	0.69