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Kanazawa Murata Manufacturing Co., Ltd.
Profile Targets and Results Environmental Activities Social Activities Environmental Data

Environmental Data 2007
Energy data
Electricity consumption: 59,036,192 kWh/year
Fuel consumption: 1,756 kl/year
*The fuel consumption values have been obtained by converting the consumptions of heavy oil, kerosene and fuel gas into the equivalent consumption of petroleum. For this purpose, the conversion coefficient for plants in Japan and overseas is the one mentioned in the regular report per "Law Concerning the Rational Use of Energy in Japan".
Waste volume data
Total waste released: 1,039 t/year
Annual mean recycling ratio: 100%
*"Recycling ratio" refers to a ratio of waste (including salable waste) sold or recycled to the total amount released (other than a waste that appears not to be coped with by the efforts of Murata).
Water quality data
The management level is strictly enough to meet the target level.
Item Unit Target level Average Max value
Hydrogen ion concentration(pH)   6.0-8.5 7.7 7.2-8.0
Suspended Solids(SS) mg/l 70 N.D. 6
Biochemical Oxygen Demand(BOD) mg/l 20 2.2 10.0
n-hexane(mineral oil) mg/l 5 N.D. 0.6
Phenols mg/l 5 N.D. N.D.
Copper mg/l 3 N.D. 0.015
Zinc mg/l 2 0.04 0.19
Soluble iron mg/l 10 N.D. N.D.
Soluble manganese mg/l 10 0.016 0.092
Total chromium mg/l 1.6 N.D. N.D.
Hexavalent chromium mg/l 0.5 N.D. N.D.
Number of coliform groups Number/cm3 3,000 1 6
Cadmium mg/l 0.1 N.D. N.D.
Cyanide mg/l 0.8 N.D. N.D.
Lead mg/l 0.1 N.D. N.D.
Arsenic mg/l 0.1 N.D. N.D.
Mercury mg/l 0.005 N.D. N.D.
Fluorine and its compounds mg/l 8 0.4 2.3
Boron and its compounds mg/l 10 N.D. 0.5
Ammonia Ammonium compounds Nitrite compounds and nitrate compounds mg/l 100 1.4 2.6
Nickel mg/l - N.D. 0.083
Antimony mg/l - N.D. 0.006
Dichloromethane mg/l 0.2 N.D. N.D.
1,1,1-trichloroethane mg/l 3 N.D. N.D.
Trichloroethylene mg/l 0.3 N.D. N.D.
Tetrachloroethylene mg/l 0.1 N.D. N.D.
Benzene mg/l 0.1 N.D. N.D.
*N.D. : not greater than minimum limit of determination (Not Detected)
*The items lacking a target level are those being subjected to voluntary control.
*Target levels are taken from the strictest values stipulated by laws, Ishikawa Prefecture regulations and agreements with Hakusan city.
*Water quality data are the values measured at the final discharge point.
Air quality data
The management level is strictly enough to meet the target level.
Item Unit Target level Average Max value
Soot and dust g/Nm3 0.1 N.D. N.D.
Sulfur Oxides(SOx) Nm3/h 6.05 N.D. 0.005
Nitrogen Oxides(NOx) ppm 150 85 110
Hydrogen chloride mg/Nm3 60 0.03 0.22
Fluorine compounds mg/Nm3 10 N.D. N.D.
*N.D.: not greater than minimum limit of determination (Not Detected)
*Target levels are taken from the strictest values stipulated by laws, Ishikawa Prefecture regulations and agreements with Hakusan city.
*Air quality data are the values measured at the exhaust point.
Amount released or transported of substances to be subjected to PRTR
(t/year)
Chemical compound name Amount released Amount transferred
Atmosphere Public waters Soil Landfill Sewage Waste Recycling
Monoethanolamine 0.0 0.0 0.0 0.0 0.0 0.0 12.0
Bisphenol A liquid epoxy resin 0.0 0.0 0.0 0.0 0.0 0.0 0.4
Xylene 0.4 0.0 0.0 0.0 0.0 0.0 0.6
* The "amounts released or transported of substance subjected by PRTR" have been calculated in compliance with the PRTR law in Japan. The results have been rounded off to the order of 0.1 ton.
[ Nishikanazawa Plant ]
Water quality data
The management level is strictly enough to meet the target level.
Item Unit Target level Average Max value
Hydrogen ion concentration(pH)   5.0-9.0 7.4 7.1-7.6
Suspended Solids(SS) mg/l 600 N.D. 3
Biochemical Oxygen Demand(BOD) mg/l 600 16 76
n-hexane(animal and vegetable oil and fats) mg/l 30 N.D. 0.8
Phenols mg/l 5 N.D. N.D.
Copper mg/l 3 N.D. 0.010
Zinc mg/l 2 0.047 0.072
Soluble iron mg/l 10 N.D. N.D.
Soluble manganese mg/l 10 N.D. N.D.
Total chromium mg/l 2 N.D. N.D.
Lead mg/l 0.1 N.D. N.D.
Lodine mg/l 220 N.D. 1.3
Fluorine and its compounds mg/l 8 0.3 0.5
1,1,1-trichloroethane mg/l 3 N.D. N.D.
Temperature °C 45 21 31
*N.D. : not greater than minimum limit of determination (Not Detected)
*Target levels are taken from the strictest values stipulated by laws, Ishikawa Prefecture regulations, and Kanazawa city regulations.
*Water quality data are the values measured at the final discharge point.
Air quality data
The management level is strictly enough to meet the target level.
Item Unit Target level Average Max value
Soot and dust g/Nm3 0.3 N.D. N.D.
Sulfur Oxides(SOx) Nm3/h 0.876 0.060 0.074
Nitrogen Oxides(NOx) ppm - 78 81
*N.D.: not greater than minimum limit of determination (Not Detected)
*Target levels are taken from the strictest values stipulated by laws, Ishikawa Prefecture regulations and Kanazawa city regulations.
*Air quality data are the values measured at the exhaust point.
Amount released or transported of substances to be subjected to PRTR
(t/year)
Chemical compound name Amount released Amount transferred
Atmosphere Public waters Soil Landfill Sewage Waste Recycling
Bisphenol A liquid epoxy resin 0.0 0.0 0.0 0.0 0.0 0.0 0.1
Lead and its compounds 0.0 0.0 0.0 0.0 0.0 0.0 0.01
* The "amounts released or transported of substance subjected by PRTR" have been calculated in compliance with the PRTR law in Japan. The results have been rounded off to the order of 0.1 ton.

Past Environmental Data
FY2006 FY2005

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