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Ibaraki Automotive Wire Worls (FY2008)

Air

  Equipment Regulation value FY2008
Soot and dust generator 0.1 0.020
SOX   3.57 0.69
NOX   950 776

Water quality

Item Regulation value FY2008
Max. Avg. Min.
Discharge(m3/day) ― 528 335 156
pH 5.8～8.6 7.90 7.70 7.40
BOD 25mg/L 7.70 4.24 0.90
COD 25mg/L 14.00 7.47 4.10
SS 40mg/L 8.60 4.27 > 1
N-hexane extractable content 5mg/L > 1 > 1 > 1
Copper 3mg/L 0.11 0.07 0.03
Zinc 2mg/L 0.35 0.18 0.10
Total nitrogen 60mg/L 17.00 8.13 0.90
Total phosphorus 8mg/L 2.50 1.27 0.48
lead and its compounds 0.1mg/L > 0.01 > 0.01 > 0.01

Noise

  Regulation value FY2008
Max. Min.
Morning & evening under 75dB 62 56
Daytime under 65dB 62 56
Night under 75dB 62 56

Vibration

  Regulation value FY2008
Max. Min.
Daytime under 70dB 44 44
Night under 60dB 37 36

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 0              
Toluene 503 503            
Ethyl benzene 418 418            
Xylene 804 804            
Poly(oxyethylene) = nonylphenol 189         189