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Hirakata Plant: Environmental Load Data (FY2017)

Environmental Performance

(absolute amount)

Item Unit FY2016 FY2017
Energy Usage kL (crude oil equivalent) 3,489 3,603
CO2 Emissions t-CO2 7,374 7,222
Water Usage 36,879 37,262
Amount of Industrial Waste Discharged kg 70,427 47,643
Discharge of drainage 20,674 16,141

Atmosphere

Item Facility Legal or public regulations Kyocera management standard Voluntary management standard Measured value
Average value Maximum value Measurement frequency
Dust and soot
(g/Nm³)
Gas boiler 0.05 0.045 0.001 0.001 Once every five years
Gas absorption type water cooler/heater AR-1 0.05 0.045 0.003 0.003 Once every five years
NOx
(ppm)
Gas boiler 150 46 37 39 Twice a year
Gas absorption type water cooler/heater AR-1 150 44 25 29 Twice a year

NOx:Nitrogen oxide

Water Quality

(Unit:mg/ℓ)

Item Legal or public regulations Kyocera management standard Voluntary management standard Measured value
Average value Maximum value Measurement frequency
Hydrogen ion concentration (pH) 5.8 to 8.6 6.5 to 8.2 7.6 7.9 Once a month
Biochemical oxygen demand (BOD) 30 10 3.9 9.6 Once a month
Chemical oxygen demand (COD) 30 10 6.4 6.0 Once a month
Suspended substances (SS) 70 5 Less than 2 Less than 2 Once a month
Normal-hexane extract 4 1 Less than 1 Less than 1 Once a month
Coliform count (per cm³) 300 6 0 0 Once a month

Atmosphere Total emission load

(unit: ton)

Item Total emission load
FY2016 FY2017
NOx 0.19 0.21
SOx

SOx:Sulfur oxide

Water Quality Total emission load

(unit: ton)

Item Total emission load
FY2016 FY2017
Chemical oxygen demand (COD) 0.14 0.10
Biochemical oxygen demand (BOD) 0.12 0.06

Foul Odors

No exceedance of standard values.

Noise and Vibrations

No exceedance of standard values.

PRTR Controlled Substances

(unit: ton)

Material No. Subject material Amount handled Amount of release Amount transported Other amount
Release into air Release into waters Release into soil Waste Sewage Re-
cycling
Con-
sump-
tion
Re-
mov-
al
30 Linear alkylbenzene sulfonate and its salt 1.88 0 0 0 0.01 0 0 1.87 0
31 Antimony and its compounds 1.15 0 0 0 0 0 0 1.15 0
Total of substances subject to report 3.03 0 0 0 0.01 0 0 3.02 0

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