Environmental Information/Environmental Data of Each Site(Fiscal 2006):Anritsu Corporation

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Environmental Data of Each Site(Fiscal 2006)

Atsugi Site

**Water quality** (laws and regulations of Atsugi City regarding discharge into public sewage systems)
		Emission standard [mg/l]		Measured value [mg/l]
Item		Regulation value	Voluntary control value	Average	Min.	Max.
pH		5.7-8.7	6.0-8.4	7.4	6.9	8.3
SS		300	120	10.9	1.4	34
BOD		300	180	19.9	1	79.4
Normal hexane extracts	Mineral oil	5	3	1.6	1	2.4
Normal hexane extracts	Organic oil	30	18	^*1
Iodine consumption		220	90	6	1.3	26
Fluorine		8	4.8	0.21	0.08	0.79
Total cyanide		1	0.4	0	0	0
Nitrogen		125	50	2.5	1	8.6
Boron		10	4	0.1	0.1	0.2
Chromium		2	0.8	0.09	0.05	0.15
Dissolved iron		10	4	0.15	0.06	0.54
Copper		3	1.2	0.02	0.01	0.07
Zinc		2	1.2	0.16	0.08	0.25
Dissolved manganese		1	0.4	0.02	0.01	0.03
Nickel		1	0.6	0.14	0.02	0.32
Lead		0.1	0.06	0.02	0.01	0.03

*1. Measured when mineral oil surpassed the voluntary control level

**Noise level** (Kanagawa Prefecture Government regulations)
Measured point	Regulation value [dB]	Voluntary control value [dB]	Measured value[dB]
At the eastern border line	70 (daytime)	68 (daytime)	53
At the western border line			50
At the southern border line			55
At the northern border line			58

**Ground water**
Item	Measured value [mg/l]	Environmental standard level [mg/l]
Trichloroethylene^*2	0.03	0.043
Tetrachloroethylene^*3	0.01	0.092
1,1,1-trichloroethane	1	below the detection limit (0.0005mg/l)
1,1-dichloroethylene	0.02	0.003
Dichloromethane	0.02	below the detection limit (0.002mg/l)
Cis-1,2-dichloroethylene	0.04	0.028

*2. Trichloroethylene surpassed acceptable level, but Atsugi site stopped using it in 1970.
*3. Tetrachloroethylene surpassed acceptable level, but Atsugi site has never used it.

Tanasawa Site

**Water quality** (laws and regulations of Atsugi City regarding discharge into public sewage systems)
		Emission standard [mg/l]		Measured value [mg/l]
Item		Regulation value	Voluntary control value	Average	Min.	Max.
pH		5.7-8.7	6.0-8.4	7.6	7	7.9
SS		300	120	1.4	0	5.8
BOD		300	180	2.2	0.2	8.5
Normal hexane extracts	Mineral oil	5	3	0.3	0	0.8
Normal hexane extracts	Organic oil	30	18	^*1
Iodine consumption		220	90	1.3	0	3.8
Fluorine		8	4.8	0.98	0.22	2.17
Total cyanide		1	0.4	0	0	0.01
Nitrogen		125	50	4.3	1.2	10.2
Boron		10	4	0.1	0.2	0.1
Chromium		2	0.8	0.07	0.02	0.2
Dissolved iron		10	4	0.15	0.05	0.27
Copper		3	1.2	0.03	0.01	0.12
Zinc		2	1.2	0.12	0.07	0.16
Dissolved manganese		1	0.4	0.02	0	0.05
Nickel		1	0.6	0.04	0.01	0.07
Lead		0.1	0.06	0.02	0.01	0.02

*1. Measured when mineral oil surpassed the voluntary control level

**Noise level** (Kanagawa Prefecture Government regulations)
Measured point	Regulation value [dB]	Voluntary control value [dB]	Measured value[dB]
At the eastern border line	70 (daytime)	68 (daytime)	48
At the western border line			51
At the southern border line			48
At the northern border line			55

Tohoku Site

**Water quality** (Fukushima Prefecture laws and regulations regarding discharge into public sewage systems)
	Emission standard [mg/l]		Measured value [mg/l]
Item	Regulation value	Voluntary control value	Average	Min.	Max.
pH	5.8-8.6	6.0-8.4	7.0	6.2	7.3
SS	70	30	3	0	6.7
BOD	40	20	4.3	0	11
Dissolved iron^*4	10	4	0.09	-	-
Copper^*4	2	0.8	below the detection limit [0.01mg/l]	-	-
Zinc^*4	4	1.6	0.04	-	-
Nickel^*4	2	0.8	below the detection limit [0.01mg/l]	-	-
Lead^*4	0.1	0.08	below the detection limit [0.05mg/l]	-	-
Number of colon bacillus [piece/m³]	3000	2400	80	0	620

*4. There are no max. or min. records as survey is conducted only once a year.

**Noise level** (regulations by Fukushima Prefecture)
Measured point	Regulation value [dB]	Voluntary control value [dB]	Measured value[dB]
At the northern border line 1	75 (daytime)	74 (daytime)	50
At the southern border line 2			63
At the eastern border line			45
At the western border line			50

**Ground water**
Item	Environmental standard level [mg/l]	Measured value [mg/l]
Trichloroethylene	0.03	below the detection limit[0.0005mg/l]
Tetrachloroethylene	0.01	below the detection limit[0.0005mg/l]
1,1,1-trichloroethane	1	below the detection limit[0.0005mg/l]
1,1-dichloroethylene	0.02	below the detection limit[0.0005mg/l]
Dichloromethane	0.002	below the detection limit[0.0002mg/l]
Cis-1,2-dichloroethylene	0.04	below the detection limit[0.0005mg/l]

**Air** (Prefectural Government Air Pollution Prevention Regulations)
	Emission standard		Measured value
Item	Regulation value	Voluntary control value	Measured value
Smuts [g/m³N]	0.3	0.18	below the detection limit [0.005mg/l]
Sulfur oxide [m³N/h]	4.37	2.63	0.04
Nitrogen oxide [ppm]	180	170	59

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