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Home > Request for Test & Research > Request for Test > Drink Water Quality Standard & Commentaries |
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Item |
Water Quality Standard |
Pollutant |
Effects on Human and Water Quality |
| 1. Total Colonies |
100CFU/ml |
Excretions from humans and animals, etc. |
Standard for bacterial contamination by microorganisms |
| 2. Coloform roup |
Negative
/ml |
Excretions from humans and animals, etc. |
Standards for existence of bacterial microorganisms |
+ Heavy metal and inorganic material
|
Item |
Water Quality Standard |
Pollutant |
Effects on Human and Water Quality |
| 3. Lead(Pb) |
0.05mg/l |
Sewage of pigment, paint, etc, and lead pipes |
chronic addiction(mental disorder, cardiac arrest & light anemia), acute
addiction(abdominal pain & throw-up, etc) |
| 4.
Fluorine(F) |
1.5mg/l |
Natural geography, preservatives, fluorine chemicals, etc. |
chronic addiction(mottled teeth, kidney malfunction, nitrogen & fat reduction in the liver) |
| 5.
. Arsenic(As) |
0.05mg/l |
natural geography & mining industry, AS insecticide, pigment & paints |
chronic addiction(limb-sense troubles, anemia, hair shrinking, skin troubles), acute addiction(throw-up & diarrhea)-irrecoverable |
| 6.
Selenium(Se) |
0.01mg/l |
electronic components(optic battery), rectifier manufacturing |
stomach, kidney, liver troubles, yellow-skin teeth problems, blood clogging, etc. |
| 7.
Mercury(Hg) |
0.001mg/l |
waste battery, paint factory, mercury refining industry, etc. |
chronic addiction(speech problem, perception problem, nervous breakdown, hard of hearing, reproductive line stimulation, mutation),acute addiction(stomach trouble, stomatitis, kidney troubles) [Root substance of Japanese Minamata Disease ] |
| 8.
Cyanogen(CN) |
0.01mg/l |
metal coating, cokes, refining factory |
cellular breathing troubles, choking-type body spasm, coma |
| 9.+6 Chrome(Cr +6 ) |
0.05mg/l |
dyeing, leather producing, petro-chemical industry, metal coating factories, etc |
chronic addiction(skin ulcer, lung troubles), acute addiction(taste troubles, stomach problems) |
| 10.
Cadmium(Cd) |
0.01mg/l |
mining, in the slug refining process, extraction of soluble salt, metal coating factories, etc |
chronic addiction(internal secretion, calcium metabolism, kidney, stomach troubles, osteomalacia), [Root material of Japanese Itli Itai Disease ] |
| 11.
Ammonia-like nitrogen(NH 3 -N) |
0.5mg/l |
house sewage, industrial sewage, animal excretions, fertilizers, etc. |
No special harm to humans but suspicions on sewage like excretions, etc. |
| 12.
Nitric acid-type nitrogen(NO 3 -N) |
10.0mg/l |
house sewage, industrial sewage, animal excretions, fertilizers, etc. |
Blue tooth syndrome to babies |
+ Sterilization by-products
|
Item |
Water Quality Standard |
Pollutant |
Effects on Human and Water Quality |
| 13.
THM |
0.1mg/l |
Produced by reaction between natural organic material and disinfecting chlorine |
carcinogenic substance, chronic addiction(anxiety, insomnia etc),acute addiction(paralysis of spinal nerve) |
| 14.
1.1.1Trichloroethane(1.1.1-TCE) |
0.1mg/l |
cleaning solvent for electric device & furniture, cooler & polisher |
stimulating eye membrane, anesthesia at high density |
| 15.
Tetrachloroethylene(PCE) |
0.01mg/l |
dry cleaning solvent, metal cleaning industry, chlorine manufacturing factory |
spinal nerve restraint, unpleasant feeling, anesthesia, coma, decline in reflective function, liver tumor induction, etc |
| 16.
Trichloroethylene (TCE) |
0.03mg/l |
dry cleaning solvent, food-extracted solvent, inhaled anesthesia |
spinal nerve system restraint, headache, liver troubles, joint problems, liver tumor induction, etc |
+ Volatile organic material
|
Item |
Water Quality Standard |
Pollutant |
Effects on Human and Water Quality |
| 17.
Phenol |
0.005mg/l |
coal, petroleum refining, phenol synthetic resin, etc |
toxic material, bad smell
chronic addiction(paralysis of spinal nerve) |
| 18.
Dichloromethane |
0.02mg/l |
Neutral synthetic material among chemical factories, plastic and paint hardener |
acute addiction(problems in senses of limbs, coma & anesthesia status),
chronic addiction(stimulating nerve system and membranes) |
| 19.
. Benzene |
0.01mg/l |
Neutral synthetic material among chemical factories, plastic and paint hardener |
chronic addiction(anemia, reduction of white corpuscles, decline of immune system) |
| 20.
Toluene |
0.7mg/l |
Neutral synthetic material among chemical factories, plastic and paint hardener |
decline of central nerve system functions |
| 21.
Ethylbenzene |
0.3mg/l |
Neutral synthetic material among chemical factories, plastic and paint hardener |
dizziness, breathing troubles |
| 22.
Xylene |
0.5mg/l |
Neutral synthetic material among chemical factories, plastic and paint hardener |
nausea, throw-up, coma, kidney & liver damage |
| 23.
. 1.1-Dichloroethylene) |
0.03mg/l |
Organic solvent synthesis such as Methyl chloroform
1.1.1-trichloroethane, etc |
Absorbed to stomach, lung, skin and accumulated in liver, kidney, lung, etc |
| 24. Carbontetrachloride |
0.002mg/l |
paint & plastic manufacturing, organic solvent of metal cleaning |
icterus, damage to liver |
+
Agricultural chemicals
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Item |
Water Quality Standard |
Pollutant |
Effects on Human and Water Quality |
| 25.
Diazinone |
0.02mg/l |
organic phosphorus agricultural chemical, insecticide |
toxic carcinogenic substance,
nerval paralysis, muscular spasm |
| 26.
Parathion |
0.006mg/l |
organic phosphorus agricultural chemical, insecticide |
toxic carcinogenic substance, nerval paralysis,
muscular spasm |
| 27.
Malathion |
0.25mg/l |
organic phosphorus agricultural chemical, insecticide |
toxic carcinogenic substance, nerval paralysis,
muscular spasm |
| 28.
Phenitrothion |
0.04mg/l |
organic phosphorus agricultural chemical, insecticide |
toxic carcinogenic substance, nerval paralysis,
muscular spasm |
| 29.
Carbaril |
0.07mg/l |
Carbamate agricultural chemicals, insecticide |
throw-up, diarrhea, bronchus contraction, spasm,
amblyopia, breathing troubles |
+
Standards on aesthetic effects
|
Item |
Water Quality Standard |
Pollutant |
Effects on Human and Water Quality |
| 30.
Hardness |
300mg/l |
+2 positive ion such as calcium, magnesium ion, etc. |
If it exists a lot in washing & boiler water troubles, disgusting taste |
| 31. potassium permanganate consumption (KMnO4 Consumed) |
10mg/l |
Wasted organic material |
Organic material pollution level index |
| 32.
Odor |
No taste |
Chemical corrosion of water pipes, water reservoir's water quality changes, etc |
aesthetic disgust |
| 33.
Taste |
No odor |
Chemical corrosion of water pipes, water reservoir's water quality changes, etc |
aesthetic disgust |
| 34.
Color |
5
colors |
Metal(iron, manganese etc), input of pigment, sewage, etc |
aesthetic bad effect |
| 35.
Detergent(negative ion surfactant: ABS) |
0.5mg/l |
synthetic detergent, etc |
oily, fish smell, bubbles |
| 36.
Hydrogen ion concentration(pH) |
5.8-8.5 |
Natural geology, alkali sewage, acidic sewage, etc |
low pH(Water pipes corrosion), high pH(bitter taste, slippery feeling) |
| 37.
Chlorine ion (Cl - ) |
250mg/l |
artificial contamination & geology, topography |
disgusting taste, corrosion induced |
| 38
Dried Residue |
500mg/l |
geology & topography |
Effects on tastes, hardness and corrosion
Water pipes corrosion, scale formation |
| 39.
Turbidity |
1 NTU |
soil & geology, floating substance, plankton, etc |
Interfering with sterilization, concerns on being infected with organic substance, floating substance included |
| 40.
. Sulfuric ion ((SO4--) |
200mg/l |
geology, industrial sewage, air release, combustion of fossil fuel |
diarrhea induced, water supply system corrosion |
+ Metals
|
Item |
Water Quality Standard |
Pollutant |
Effects on Human and Water Quality |
| 41.
Copper(Cu) |
1.0mg/l |
Copper refining, metal coating, copper pipe for water supply |
liver troubles, stomach troubles |
| 42.
Copper(Cu) |
1.0mg/l |
natural geography, mining refining, piping for water |
acute addiction(throw-up, dehydration, muscular control problems, electrolyte unbalance), nebula provoker |
| 43.
Iron(Fe) |
0.3mg/l |
existence in underground water or deep in the lake
(Fe+2,Fe+3) |
diarrhea, throw-up, Hemochromatosis , disgusting taste, red water provoker |
| 44.
Manganese(Mn) |
0.3mg/l |
existence in underground water or deep in the lake |
Aesthetic effects by being black and brown, metallic taste |
| 45.
Aluminum(Al) |
0.2mg/l |
industrial waste, mineral, soil, settlement and concentration |
When orally swallowed, most of them are excreted; but some remain in bones, causing Alzheimer's disease |
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