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Business AreasWater Quality
Business Areas

Daehyun Environment: Comprehensive Environmental Solution
with Environmental Consideration

Business Areas
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Water Quality
Environmental Impact Assessment Atmosphere Odor Noise & Vibration Water Quality Waste (General/PCBs) Persistent organic pollutants Marine Environment
Water Quality
Water Quality
Measurement, Analysis

Comprehensive analysis services for all aspects of water quality through state-of-the-art equipment and a team of expert technical personnel.

Regular water quality analysis and stable management for effluent and process monitoring to determine compliance with discharge standards for water pollution substances and to implement watershed-based total pollutant discharge control.

Relevant regulations

Water Environment Conservation Act" Article 4-7 (Excess Pollution Load Penalty), Article 32, and Enforcement Decree of the same act Article 34, Exhibit 13 (Industrial Wastewater Discharge Standards)

Analysis Service Items

57 Discharge Permission Standard Items and all items of Water Pollution Process Test Standards

Water pollutants

Enforcement Rules of the Water Environment Conservation Act, Exhibit 2

59 Water pollutants
  • Copper and its compounds
  • Lead and its compounds
  • Nickel and its compounds
  • Total coliform bacteria
  • Manganese and its compounds
  • Barium compounds
  • Suspended solids
  • Arsenic and its compounds
  • Acids and alkalis
  • Colorants
  • Detergents
  • Selenium and its compounds
  • Mercury and its compounds
  • Cyanides
  • Zinc and its compounds
  • Chlorine compounds
  • Organic matter
  • Petroleum (including animal and vegetable oils)
  • Phosphorus compounds
  • Tin and its compounds
  • Nitrogen compounds
  • Iron and its compounds
  • Cadmium and its compounds
  • Chromium and its compounds
  • Fluorine compounds
  • Phenols
  • Phenols
  • Pentachlorophenol
  • Sulfur and its compounds
  • Organic tin compounds
  • Hexavalent chromium compounds
  • Tetrachloroethylene
  • Trichloroethylene
  • Polychlorinated biphenyls
  • Benzene
  • Carbon tetrachloride
  • Dichloromethane
  • 1,1-Dichloroethylene
  • 1,2-Dichloroethane
  • Chloroform
  • Ecotoxic substances
  • 1,4-Dioxane
  • Diethylhexyl phthalate
  • Vinyl chloride
  • Acrylonitrile
  • Bromoform
  • Perchlorate
  • Acrylamide
  • Naphthalene
  • Formaldehyde
  • Epichlorohydrin
  • Toluene
  • Xylene
  • Styrene
  • Bis(2-ethylhexyl) adipate
  • Antimony
  • Perfluorooctane sulfonic acid
  • Perfluorooctane sulfonic acid
  • Perfluorohexane sulfonic acid
Specific water pollutants

Enforcement Rules of the Water Environment Conservation Act, Exhibit 3

32 Specific water pollutants
  • Copper and its compounds
  • Lead and its compounds
  • Arsenic and its compounds
  • Mercury and its compounds
  • Cyanides
  • Organic compounds
  • Hexavalent chromium compounds
  • Cadmium and its compounds
  • Tetrachloroethylene
  • Trichloroethylene
  • Polychlorinated biphenyls
  • Selenium and its compounds
  • Benzene
  • Carbon tetrachloride
  • Dichloromethane
  • 1,1-Dichloroethylene
  • 1,2-Dichloroethane
  • Chloroform
  • 1,4-Dioxane
  • Diethylhexyl phthalate
  • Vinyl chloride
  • Acrylonitrile
  • Bromoform
  • Acrylamide
  • Naphthalene
  • Formaldehyde
  • Epichlorohydrin
  • Phenol
  • Pentachlorophenol
  • Styrene
  • Bis(2-ethylhexyl) adipate
  • Antimony
Discharge Permission Standards for Water Pollutants

Enforcement Rules of the Water Environment Conservation Act, Exhibit 13

56 items applied to Discharge Permission Standards
  • Biochemical oxygen demand
  • Total organic carbon
  • Suspended solids
  • Hydrogen ion concentration
  • Normal hexane extractable material (animal and plant materials / mineral oils)
  • Phenols
  • Pentachlorophenol
  • Cyanide
  • Chromium
  • Soluble iron
  • Zinc
  • Copper
  • Cadmium
  • Mercury
  • Organics
  • Arsenic
  • Lead
  • Hexavalent chromium
  • Soluble manganese
  • Fluorine
  • PCB
  • Total coliform group
  • Color
  • Temperature
  • Total nitrogen
  • Total phosphorus
  • Trichloroethylene
  • Tetrachloroethylene
  • Anionic surfactants
  • Benzene
  • Dichloromethane
  • Ecotoxicity
  • Selenium
  • Carbon tetrachloride
  • 1,1-Dichloroethane
  • 1,2-Dichloroethane
  • Chloroform
  • Nickel
  • Barium
  • 1,4-Dioxane
  • Diethylhexyl phthalate
  • Vinyl chloride
  • Acrylonitrile
  • Bromoform
  • Naphthalene
  • Formaldehyde
  • Epichlorohydrin
  • Toluene
  • Xylene
  • Perchlorate
  • Acrylamide
  • Styrene
  • Bis(2-ethylhexyl) adipate
  • Antimony
  • Tin
Major Performance

Electronics, semiconductor, display, chemical, treatment facilities for both public and private sectors, and many others.

Ecotoxicity

Service for acute toxicity testing and evaluation using water fleas

Ecotoxicity assessment using water fleas for industrial wastewater, domestic sewage, and management of unknown harmful substances

Relevant regulations

Enforcement Rules of the Water Environment Conservation Act, Exhibit 13

The Enforcement Rules of the Sewerage Act" Article 32 (Water Quality Standards for Wastewater Discharge) and the Enforcement Rules of the same Act, Exhibit 1

Analysis service items

Acute toxicity testing and evaluation using water fleas

Major Performance

Public sewage treatment plants, electronics, semiconductor, display, and waste treatment facilities and many others.

Gotop

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