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Environmental Impact of Our Business Activities

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■ Cost of Environmental Technologies
Environmental Investments in Fiscal 2013 - Implementation and Effects (April 2013 to March 2014)
Objectives Items for Investment Location/Facility Investment Investment Subtotal Environmental Benefit Fiscal 2013
Environmental Benefit
(over previous year)
New Installation Upgrade/ Repair/ Maintenance
Climate change countermeasures (includes cost of energy conservation measures) Changed the type of steam traps Niigata Steam traps in Minami Aga Plant 1   ¥600,000 ¥600,000 Reduced boiler fuel consumption by altering to temperature regulating steam traps Boiler fuels consumption: Reduced by 23,000m³/year
Switched to energy-saving lighting Niigata Lighting of Shinkuwayama Plant, Ozeki Plant, Minami Aga Office, and Kashiwazaki Iron Plant   ¥2,964,000 ¥2,964,000 Reduced electricity consumption by switching to LED lighting Electricity consumption: Reduced 9,000kWh/year
Applied heat insulation coating to roofs of office Niigata Office buildings at Kashiwazaki
Iron Plant
  ¥2,650,000 ¥2,650,000 Reduced electricity consumption with improved insulating effect Electricity consumption: Reduced approx. 22,000kWh
(Operating duration: 5 months)
Installed energy-saving air-conditioning facilities Tokyo, Niigata All buildings at Technical Research Center, and office buildings at Naoetsu LNG Terminal ¥148,852,191   ¥148,852,191 Reduced electricity consumption with energy-saving air-conditioning facilities (gas heat pump air-conditioners) Air-conditioning facilities in Technical Research Center
 ・Energy consumption: Reduced 40% (electricity, city gas and gasoline: 1,000GJ)
 ・Water consumption: Reduced 60% (800Nm³)
(Operating duration: 5 months)
Installed energy-saving air-conditioning facilities Akita Office buildings at Akita District Office   ¥7,400,000 ¥7,400,000 Reduced electricity consumption with energy-saving air-conditioning facilities (installed gas heat pump air-conditioners) Electricity consumption: Reduced 50% (2,400kWh)
(Operating duration: 11 months)
Constructed photovoltaic power generation facility Niigata Office buildings at Naoetsu LNG Terminal ¥49,886,439   ¥49,886,439 Reduced GHG emissions by constructing photovoltaic power
generation facilities
GHG emissions: Reduced approx. 13,800kg-CO2/year
Conservation of air quality VOC countermeasure work Niigata Well water treatment facilities at Koshijihara Plant ¥31,500,000   ¥31,500,000 Reduced VOC emission by introducing exhaust gases to VOC removal devices  
Countermeasure work for toxic substances such as benzene Niigata Oil tanks at Shinkuwayama Plant and Minami Aga Plant 1 ¥30,325,000   ¥30,325,000 Reduced toxic substance (ex. benzene) emissions by reinforcing separators and replacing facilities ・Reduced vented gases from crude oil tanks by half
・Prevented health hazard of employees, related to exposure to benzene
Reinforced the valves of regular tanks Niigata Joint shipping line in Naoetsu LNG Terminal  ¥4,000,000   ¥4,000,000 Reduced toxic substance (ex. benzene) emissions and oil-spill risks by reinforcing valves  
Conservation of water environment Installed and reinforced oil separating tanks Chiba Drainage devices of gas compressors in the gas plant 1 & 2 ¥1,500,000 ¥2,000,000 ¥3,500,000 Improved wastewater quality by installing oil separating tanks. Improved the ability of wastewater treatment by reinforcing oil separating tanks. ・Improved water quality which fulfills the effluent standard
・Reduced the frequency of replacing resins by half (from 4 times to twice/year) led to reducing waste materials
Reinforced drainage tanks Niigata On-site of the oil terminal and its loading areas of tanker trucks ¥4,400,000   ¥4,400,000 Reduced oil-spill risks by reinforcing drainage tanks  
Chemical substance management Replaced adsorbents of mercury removal devices Niigata Crude oil and exhaust gas removal devices in Koshijihara Plant and Oyazawa Plant   ¥43,200,000 ¥43,200,000 Improved the ability of mercury removal by replacing adsorbents Impact of the removal: a total of 37kg/year
(ex. Prevented mercury flows into our products or emits into the air)
Prevention of noise and vibration Installed noise barriers and silencers Akita A CP room in Yabase Plant and reboilers in Sotoasahikawa Plant ¥23,750,000   ¥23,750,000 Reduced noise and vibration by installing noise barriers and silencers Reduced noise level at the site boundary line: sustained under 50dB
Altered the method of pile foundation works Niigata Construction of a low-temperature LNG tank at Naoetsu LNG Terminal ¥21,210,000   ¥21,210,000 Reduced noise and vibration by altering from hammer method to auger excavating method  
Conservation of natural environment Greening activities (continued) Niigata Greening areas in Naoetsu LNG Terminal   ¥34,800,000 ¥34,800,000 Implemented greening activities in the Terminal (plant saplings)  
Investment total ¥315,423,630 ¥93,614,000 ¥409,037,630  

Environmental Investments (latest)

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