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Sumidenso Platech, Ltd. (FY2008)

Water quality

Item Regulation value FY2008
Max. Avg. Min.
Head Office
Discharge(m3/day) roundwater pumping discharge 638 369 100
BOD 120mg/L 0.7 0.7 0.7
COD 120mg/L 1.1 1.1 1.1
n-hexane 5mg/L < 0.5 < 0.5 < 0.5
Natsukari site
Discharge(m3/day) water supply consumption 6.4 4.7 2.6
BOD 120mg/L 1.1 1.1 1.1
COD 120mg/L 3.5 3.5 3.5
n-hexane 5mg/L < 0.5 < 0.5 < 0.5
Komakado site
Discharge(m3/day) water supply consumption 3.6 2.7 1.3
BOD 120mg/L 1.9 1.9 1.9
COD 120mg/L 14.0 14.0 14.0
n-hexane 5mg/L < 0.5 < 0.5 < 0.5
Gumizawa site
Discharge(m3/day) water supply consumption 1.3 0.9 0.4
BOD 120mg/L 1.7 1.7 1.7
COD 120mg/L 8.6 8.6 8.6
n-hexane 5mg/L < 0.5 < 0.5 < 0.5

Noise

  Regulation value FY2008
Max. Min.
Head Office
Morning & evening 45 54 ※ 44
Daytime 50 57 ※ 44
Night 40 54 ※ 38
Natsukari site
Morning & evening 65 62 42
Daytime 70 63 51
Night 60 58 40
Komakado site
Morning & evening 65 62 50
Daytime 70 69 55
Night 60 58 50
Gumizawa site
Morning & evening 50 50 38
Daytime 55 52 45
Night 45 45 38

※ Finished with discussion with city with a value by the background noise

Vibration

  Regulation value FY2008
Max. Min.
Head Office
Daytime 60 <30 <30
Night 50 <30 <30
Natsukari site
Daytime 70 45 42
Night 65 38 <30
Komakado site
Daytime 70 <30 <30
Night 65 <30 <30
Gumizawa site
Daytime 65 <30 <30
Night 55 <30 <30

PRTR [Unit ton/year]

Class1 specified chemical substance transaction volume discharge product carrying out quantity of movement quantity of recycling value thing
Air Water area Soil Solid waste Sewerage
Di-2-ethylhexyl phthalate 301       150.4 150.4