Water quality self-measurement
Water quality measurement definition
- Article 46 of the Water Environment Conservation Act (Measurement of Water Pollutants)
- A businessman may measure the water pollutants in order to properly operate the emission and prevention facilities he operates, or may have the measuring agent measure them according to Article 16 of the Environmental Test and Inspection Act.
Micro balance for weighing
Gas chromatography
for volatile organic compounds
JAR test for Waste Water Treatment
ICP for heavy metal
AAS for heavy metals
General view of Lab
Sample weighing
Titration
Water Pollutants, Types of Specific Water Pollutants
- Water Pollutants(Article 3)
- Copper and its compounds / Lead and its compound / Nickel and its compounds / Total E. coli group / Manganese and its compounds / Barium compound / Suspended solid / Bromine compound / Arsenic and its compounds / Acid and alkaline / Colors / Detergent / Selenium and its compounds / Mercury and its compounds / Cyanide / Zinc and its compounds / Chloride compound / Organic material / Organic solvents / Oil (including plants and animals) / Phosphorus compound / Tin and its compounds / Nitrogen compound / Iron and its compounds / Cadmium and its compounds / Chrome and its compounds / Fluoride compound / Phenol / Pentachlorophenol / Sulfur and its compounds / Organophosphorus / Chromium (Ⅵ) Compound / Tetrachloroethylene / Trichloroethylene / Polychlorinated biphenyl / Benzene / Saturated carbon / Dichloromethane / 1, 1-Dichloroethylene / 1, 2-Dichloroethane / Chloroform / Ecotoxic substance (only those that represent toxicity to water fleas) / 1,4-Dioxane / Diethylhexylphthalate (DEHP) / Vinyl chloride / Acrylonitrile / Bromoform / Perchlorate / Acrylic amide / Naphthalene / Formaldehyde / Epichlorohytherin / Toluen / Xylene / Styrene / Bis(2-ethylhexyl)adipate / Antimony
- Specific Water Pollutants(Article 4)
- Copper and its compounds / Lead and its compound / Arsenic and its compounds / Mercury and its compounds / Cyanide / Organophosphorus / Chromium (Ⅵ) Compound / Cadmium and its compounds / Tetrachloroethylene / Trichloroethylene / Polychlorinated biphenyl / Selenium and its compounds / Benzene / Carbon / Dichloromethane / 1, 1-Dichloroethylene / 1, 2-Dichloroethane / Chloroform / 1,4-Dioxane / Diethylhexylphthalate (DEHP) / Vinyl chloride / Acrylonitrile / Bromoform / Acrylic amide / Naphthalene / Formaldehyde / Epichlorohytherin / Phenol / Pentachloropheno / Styrene / Bis(2-ethylhexyl)adipate / Antimony
Water Pollutants Emission Permit Standard (To be applied from 1 January 2019)
| Division | Clean Area | A area | B area | Special Area | |
|---|---|---|---|---|---|
| pH | 5.8 ~ 8.6 | 5.8 ～ 8.6 | 5.8 ～ 8.6 | 5.8 ～ 8.6 | |
| Normal hexane extract content | Mineral oils(mg/L) | Under 1 | Under 5 | Under 5 | Under 5 |
| Animals and plants oils(mg/L) | Under 5 | Under 30 | Under 30 | Under 30 | |
| Phenols content(mg/L) | 1 Under | 3 Under | 3 Under | 5 Under | |
| Phenol(mg/L) | Under 0.1 | Under 1 | Under 1 | Under 1 | |
| Pentachlorophenol(mg/L) | Under 0.001 | Under 0.01 | Under 0.01 | Under 0.01 | |
| Cyanide content(mg/L) | Under 0.2 | Under 1 | Under 1 | Under 1 | |
| Chrome content(mg/L) | Under 0.5 | Under 2 | Under 2 | Under 2 | |
| Soluble iron content(mg/L) | Under 2 | Under 10 | Under 10 | Under 10 | |
| Zinc content(mg/L) | Under 1 | Under 5 | Under 5 | Under 5 | |
| Copper(brass) content(mg/L) | Under 1 | Under 3 | Under 3 | Under 3 | |
| Cadmium content(mg/L) | Under 0.02 | Under 0.1 | Under 0.1 | Under 0.1 | |
| Mercury content(mg/L) | Under 0.001 | Under 0.005 | Under 0.005 | Under 0.005 | |
| Organic phosphorus content(mg/L) | Under0.2 | Under1 | Under1 | Under1 | |
| Arsenic content(mg/L) | Under0.05 | Under0.25 | Under0.25 | Under0.25 | |
| Lead content(mg/L) | Under0.1 | Under0.5 | Under0.5 | Under0.5 | |
| Chromium (Ⅵ) content(mg/L) | Under0.1 | Under0.5 | Under0.5 | Under0.5 | |
| Soluble manganese content(mg/L) | Under2 | Under10 | Under10 | Under10 | |
| Fluorine content(mg/L) | Under3 | Under15 | Under15 | Under15 | |
| PCB content(mg/L) | Not detected | Under0.003 | Under0.003 | Under0.003 | |
| Total E. coli group (Total E. coli group number) | Under100 | Under3.000 | Under3.000 | Under3.000 | |
| Color(Degree) | Under200 | Under300 | Under400 | Under400 | |
| Temperature(°C) | Under40 | Under40 | Under40 | Under40 | |
| Total nitrogen(mg/L) | Under30 | Under60 | Under60 | Under60 | |
| Total Phosphorus(mg/L) | Under4 | Under8 | Under8 | Under8 | |
| Trichloroethylene(mg/L) | Under0.06 | Under0.3 | Under0.3 | Under0.3 | |
| Tetrachloroethylene(mg/L) | Under0.02 | Under0.1 | Under0.1 | Under0.1 | |
| anionic surfactant(mg/L) | Under3 | Under5 | Under5 | Under5 | |
| Benzene(mg/L) | Under0.01 | Under0.1 | Under0.1 | Under0.1 | |
| Dichloromethane(mg/L) | Under0.02 | Under0.2 | Under0.2 | Under0.2 | |
| Ecotoxic(TU) | Under1 | Under2 | Under2 | Under2 | |
| Selenium content(mg/L) | Under0.1 | Under1 | Under1 | Under1 | |
| Saturated carbon(mg/L) | Under0.004 | Under0.04 | Under0.04 | Under0.08 | |
| 1,1-Dichloroethylene(mg/L) | Under0.03 | Under0.3 | Under0.3 | Under0.6 | |
| 1,2-Dichloroethane(mg/L) | Under0.03 | Under0.3 | Under0.3 | Under0.3 | |
| Chloroform(mg/L) | Under0.08 | Under0.8 | Under0.8 | Under0.8 | |
| Nickel(mg/L) | Under0.1 | Under3.0 | Under3.0 | Under3.0 | |
| Barium(mg/L) | Under1.0 | Under10.0 | Under10.0 | Under10.0 | |
| 1,4-Dioxane(mg/L) | Under0.05 | Under4.0 | Under4.0 | Under4.0 | |
| (DEHP)(mg/L) Diethylhexylphthalate(DEHP)(mg/L) | Under0.02 | Under0.2 | Under0.2 | Under0.8 | |
| Vinyl chloride(mg/L) | Under0.01 | Under0.5 | Under0.5 | Under1.0 | |
| Acrylonitrile(mg/L) | Under0.01 | Under0.2 | Under0.2 | Under1.0 | |
| Bromoform(mg/L) | Under0.03 | Under0.3 | Under0.3 | Under0.3 | |
| Naphthalene(mg/L) | Under0.05 | Under0.5 | Under0.5 | Under0.5 | |
| Formaldehyde(mg/L) | Under0.5 | Under5.0 | Under5.0 | Under5.0 | |
| Epichlorohytherin(mg/L) | Under0.03 | Under0.3 | Under0.3 | Under0.3 | |
| Toluen(mg/L) | Under0.7 | Under7.0 | Under7.0 | Under7.0 | |
| Xylene(mg/L) | Under0.5 | Under5.0 | Under5.0 | Under5.0 | |
| Perchlorate(mg/L) | Under0.03 | Under0.3 | Under0.3 | Under0.3 | |
| Acrylic amide(mg/L) | Under0.015 | Under0.04 | Under0.04 | Under0.04 | |
| Styrene(mg/L) | Under0.02 | Under0.2 | Under0.2 | Under0.2 | |
| Bis(2-ethylhexyl)adipate(mg/L) | Under0.2 | Under2 | Under2 | Under2 | |
| Antimony(mg/L) | Under0.02 | Under0.2 | Under0.2 | Under0.2 | |
Application Standard of Water Pollutants and Wastewater Emission Facility
| Name | Standard(mg/L) |
|---|---|
| Copper and its compounds | 0.1 |
| Lead and its compound | 0.01 |
| Arsenic and its compounds | 0.01 |
| Mercury and its compounds | 0.001 |
| Cyanide | 0.01 |
| Organophosphorus | 0.0005 |
| Chromium (Ⅵ) Compound | 0.05 |
| Cadmium and its compounds | 0.005 |
| Tetrachloroethylene | 0.01 |
| Trichloroethylene | 0.03 |
| Polychlorinated biphenyl | 0.0005 |
| Selenium and its compounds | 0.01 |
| Benzene | 0.01 |
| Saturated carbon | 0.002 |
| Dichloromethane | 0.02 |
| 1, 1-Dichloroethylene | 0.03 |
| 1, 2-Dichloroethane | 0.03 |
| Chloroform | 0.08 |
| 1,4-Dioxane | 0.05 |
| Diethylhexylphthalate (DEHP) | 0.008 |
| Vinyl chloride | 0.005 |
| Acrylonitrile | 0.005 |
| Bromoform | 0.03 |
| Phenol | 0.1 |
| Pentachlorophenol | 0.001 |
| Acrylic amide | 0.015 |
| Naphthalene | 0.05 |
| Formaldehyde | 0.5 |
| Epichlorohytherin | 0.03 |
| Styrene | 0.02 |
| Bis(2-ethylhexyl)adipate | 0.2 |
| Antimony | 0.02 |
Qualification standards for environmental engineers by company
| Division | Environment engineer |
|---|---|
| Type 1 workplace | At least 1 Engineer Water Pollution Environmental |
| Type 2 workplace | At least 1 Industrial Engineer Water Pollution Environmental |
| Type 3 workplace | At least 1 Industrial Engineer Water Pollution Environmental, Craftsman Environmental, or person who has worked directly in the field of water quality for more than three years. |
| Type 4 workplace·Type 5 workplace | A businessman who are authorized to install or have completed the registration of installation of discharge facilities, or At least 1 person appointed from among the employees who are engaged in the work of the discharge facility or prevention facility by the businessman. |
- ype 4 or Type 5 workplace that emit water pollutants containing specific water pollutants shall have environmental engineers corresponding to the type 3 workplace. However, this is not the case for businesses that emit less than 10㎥ of waste water per day, which contains specific water pollutants.
- In the case of joint preventive facilities, they shall have environmental engineers corresponding to the type 3 workplace if the amount of waste water discharge corresponds to the size of type 4 or type 5 workplace.
- - According to Article 48 of the Act, type 1 or type 2 businesses that receive wastewater into public waste treatment facilities can have environmental engineers corresponding to the type 3 business, and the type 3 business can have environmental engineers corresponding to the type 4, type 5 businesses.
- From type 1 to 3 businesses operating less than 90 days per year, they can appoint environmental engineers corresponding to the type 4, type 5 businesses.
- In the event that a person appointed as an air-environmental engineer is also qualified as a water-environmental engineer pursuant to Article 40 Clause 1 of the "Air Environment Conservation Act," he or she may concurrently serve as a water-environmental engineer.