We manage plants with voluntary standards stricter than those that are legally binding.

The compliance status of the major standards in the laws in fiscal 2008 is as follows:

		Legal standard values	Voluntary standard values	Achievement in 2008	Compliance
Air Pollution Control Law	[Particulate] concentration	Not exceeding 0.3g/Nm³	Not exceeding 0.27g/Nm³	0.012g/Nm³
	Nitrogen oxides	Not exceeding 90ppm	Not exceeding 81ppm	67ppm
	Sulfur oxides (No.3 furnace)	Not exceeding 0.62Nm³/h	Not exceeding 0.56Nm³/h	Not exceeding 0.05Nm³/h
	Sulfur oxides (Nos.1 and 2 furnaces)	Not exceeding 1.5Nm³/h	Not exceeding 1.35Nm³/h	Not exceeding 0.12Nm³/h
Sewerage Law	Hydrogen ion concentration (pH)	5.7 - 8.7	5.9 - 8.5	5.9 - 8.4
	Normal hexane extracted substances	Not exceeding 30mg/L	Not exceeding 28mg/L	Lower than 1.0 - Not exceeding 17.1mg/L
	Trichloroethylene	Not exceeding 0.3mg/L	Not exceeding 0.15mg/L	Not exceeding 0.003mg/L
	Tetrachloroethylene	Not exceeding 0.1mg/L	Not exceeding 0.05mg/L	Not exceeding 0.01mg/L
	Dichloromethane	Not exceeding 0.2mg/L	Not exceeding 0.1mg/L	Not exceeding 0.02mg/L
	Other harmful substances			Not exceeding standard value
Noise Regulation Law	Mitaka Plant	Not exceeding 60dB (Adjacent residential area: Daytime)		*1 48 - 71dB (The maximum values are for when exhaust fans of adjacent facilities are operating.)
		Not exceeding 70dB (Industrial area: Daytime)		48 - 64dB
	Saitama Plant	Not exceeding 65dB	Not exceeding 63dB	45.9 - 59.3dB
Vibration Regulation Law	Mitaka Plant	Not exceeding 60 - 65dB (Residential and industrial area)		28.6 - 48.9dB
	Saitama Plant	Not exceeding 65dB	Not exceeding 63dB	24.9 - 43.0dB

^*1 It is confirmed that the value is "Not higher than 56 dB" when the exhaust fans of external adjacent facilities are not in operation.
    (The observed values shown above are measured at “In-house fixed points and the time” in accordance with the legal criteria.)