Color of thecontainer

Classifications of laboratory waste fluid (1)TypeObject

Summary

Flammable organic
waste fluid(Capacity of thecontainer should be10 L)

1. Aliphatic hydrocarbon
Waste solvents such as petroleum ether, hexane, heptane,
octane2.Oxygen-containing aliphatic compounds
Waste solvents such as acetal, alcohols, acetone, ethyl
methyl ketone and acetic acid esters
3.Aliphatic nitrogen-containing compound
Waste solvents such as acetonitrile
4. Aromatic compounds
Waste solvents such as benzene and toluene
5. Aromatic nitrogen-containing compound
Waste solvents such as pyridine
6. Other liquids which are classified as dangerous first oilmaterials.
Waste fluid including an organic compound with aslightly high boiling point which is not explosive in theabove mentions waste solvents is possible.
Caution: Sediments and solid substances should be filtrated
1. Dangerous second class oil materials such as xylene andacetic acid
2. Waste oil such as kerosene, mineral spirits, light oil andthe oil of turpentine
3. Waste oil such as heavy oil, creosote oil, spindle oil,turbine oil, and transformer oil
4. Waste oil such as gear oil, and the motor oil
5. Waste oil such as animals and plant oil (liquid)
Waste fluid including an organic compound with a slightly
high boiling point which is not explosive in the above
mentions waste solvents is possible.
Caution: Sediments and solid substances should befiltrated. The viscosity of waste oil with high viscosity
should be lowered with kerosene.

1. Explosive material itself, materials which can easilychange into make explosive materials, have N-O, N-N, O-O orO-X bonds, and include metal acetylide, should be excluded.
These wastes should be safely detoxified by the person
responsible for discarding them.
2. Chemical substances such as benzidine, causing a healthdisorder are excluded
3. Filtration residue should be clearly labeled with its content
and stored prior to the supplier being asked to collect anddispose of it.
4. Inflammables such as diethyl ether or carbon disulfide inwaste fluid should be made less than 5% for waste prior todisposal.
5. When including heavy metal, consult the Environmental
Conservation Research Institute.
6. When including organic halogen compounds, it should beclassified as B.

Ａ－１
(Red)

Waste oil

Ａ－２
(Red)

1. In the category of transformer oil, waste oil including PCB
and the PCB is excluded.
2. Filtration residue and oil sludge should be clearly labeledwith its content and stored prior to the supplier being asked
to collect and dispose of it.
3. When mixing with waste fluid classified as A-1, it should
be exhausted as A-1 classification.

Organic halogen
waste fluid

Ｂ(Brown)

Incombustibleorganic waste fluid(which includeswater)

Ｃ－１(Green)Ｃ－２

Photograph wastefluid(Green)(Notspecified)Fixing solution

1. Waste fluid including organic halogen compounds.
Waste solvents such as chloroform, methylene chloride,trichloroethylene, carbon tetrachloride, avian fluoroacetic
acid, methyl bromide, methyl iodide, chlorobenzene andbenzyl chloride
2. Waste fluid of organic halogen compounds including
water.
Waste fluid including an organic compound with a slightly
high boiling point which is not explosive in the above
mentions waste solvents is possible.
Caution: Sediments and solid substances should be filtrated
1. Organic waste fluid including more than 5% water
2. Circulation-type aspiratora waste fluid
3. Organic metal-based (e.g., chelate) waste fluid
4. The aqueous layer which was used for the extraction of
the organic reaction
5. Water mixture waste fluid including organic halogen
compounds should be classified as B
6. Waste fluid including cyanide ions or the metal
cyanocomplex should be classified as E-2.
Caution: Sediments and solid substances should be filtrated
1. Waste developing fluid
2. Waste fixing fluid
3. Waste copy fluid
Caution: Sediments and solid substances should be filtrated
Collection any time

1. PCB and waste including PCB are excluded.
2. Freon should be excluded. Ask the supplier to collect andtreat it.
3. Explosive material itself, materials which can easilychange into make explosive materials, have N-O, N-N, O-O or
O-X bonds, and include metal acetylide, should be excluded.
These wastes should be safely detoxified by the person
responsible for discarding them.
4. Filtration residue should be clearly labeled with its content
and stored prior to the supplier being asked to collect anddispose of it.
1. PCB and waste including PCB are excluded.
2.The pH of waste fluid should be always be maintained at a
pH of 4 before disposal.
3. When inorganic fluorine or a phosphate compound isincluded, consult the Environmental Conservation ResearchInstitute.
4. Filtration residue should be clearly labeled with its content
and stored prior to the supplier being asked to collect anddispose of it.
5. The mixture of an organic solvent and oxidizers such ashydrogen peroxide or perchloric acid should be avoided.
6. Waste fluid including mercury is excluded
1. Filtration residue should be clearly labeled with its content
and stored prior to the supplier being asked to collect anddispose of it.
Don’t mix with other fluid waste. If developing solution ismixed with it, classify as C-2

If you have questions, access the following URL and send consultation form (only in Japanese):
http://www.env.tohoku.ac.jp/mail/input2.html
Environment Conservation Research Institute (ECRI)

Color of thecontainer

Classifications of laboratory waste fluid (2)TypeObject

Inorganic
mercury-based wastefluid

1. Inorganic mercury-based waste fluid
2. When including other heavy metal, label it clearly, e.g.," arsenic included" or " copper included, " and also label its
concentration.

Ｄ(Yellow)Ｅ－１(White)Ｅ－２(White)

Ｆ－１(Blue)

Includes first to third
washings of thewaste fluid.
Free cyanogen-based
waste fluid(Tape with red tape)
Includes first to third
washings of thewaste fluid.
Hardlydecomposable cyan
waste fluid
Includes first to third
washings of thewaste fluid.
General inorganic
waste fluid[ heavy metal waste
fluid, chromic
nitrating acid wastefluid]

Summary

1. Metal mercury, amalgam mercury, unneeded
mercury-based reagent and drugs are excluded. These waste
fluids should be kept by person responsible for discarding
them and the supplier should be asked to collect and disposeof them.
2. When including an organic compound, an organic solvent,or an organic mercury, consult the EnvironmentalConservation Research Institute.
Caution: The mercury ion concentration should be kept less 3. Filtration residue should be clearly labeled with its content
than 1,000 ppm.
and stored prior to the supplier being asked to collect andCaution: Sediments and solid substances should be filtrated dispose of it.
1. Free cyanogen-based waste fluid with more a pH of more 1. Cyanogen-based waste fluid should be kept at a pH of morethan 11.
than 11.
2. The solvent should be limited to an inorganic system
2. When including cyanidation mercury, mercury, or
water solutionhydrofluoric acid, consult the Environmental Conservation
Research Institute.
Caution: Sediments and solid substances should be filtrated 3. Filtration residue should be clearly labeled with its contentand stored prior to the supplier being asked to collect and1. Waste fluid such as refractory metal cyano complex,KAg(CN) ，K Ni(CN) ，K Cu(CN) ，K Fe(CN) ，K Fe(CN) ， dispose of it.
224343646

K3Co(CN)6，KAu(CN)2 and the case when its dissociation
constant of cyanide ions is less than 10-21
2. Free cyanogen-based waste fluid including heavy metal.
3.Free cyanogen-based waste fluid including an organic
compound or an organic solvent.
Caution: Sediments and solid substances should be filtrated
1. Waste fluid of inorganic acid such as hydrochloric acid,sulfuric acid, nitric acid, etc.
2. Waste fluid containing a mixture of the chromate sulfuric acid
3. Waste fluid containing heavy metal such as Fe, Ni, Co,Zn, Cu, Mn, Cd, Pb, Ga, Cr, V, Ti, Ge, and Sn
4. Waste fluid containing As less than 100 ppm
5. Waste fluid containing light metals such as Al, the Mg

1. Refer to E classification about cyan waste fluid
2. Waste fluid from the extraction water phase of heavy metal
used for an organic reaction should be classified as C-1.
3. Chemicals which cause the health disorders of workerssuch as carcinogen (e.g., Be), nervous obstacle material (e.g.,Tl), mucous membrane-related dermatopathy material (e.g.,Os), and highly-virulent material (e.g., Se) should beexcluded.
4. Hexavalent chromium such as sulfuric acid should be
reduced to trivalent chromium by reducing agents such as
sodium thiosulfate and exhausted.
The end of the reduction should be confirmed by chromicＦ－１(Blue)

Includes first to third
washings of thewaste fluid.
Inorganic
fluorine-based andinorganic phosphoric
acid-based waste
fluid

Caution: Whole heavy metal ion concentration should be
kept below 5,000 ppm
Caution: When organic materials are included, it should beclassified as C-1.
Caution: Sediments and solid substances should be filtrated
1. Hydrofluoric acid, etching waste fluid
2. Inorganic phosphate waste fluid

F－２(White)Ｇ－Ａ(Orange)

Includes first to third
washings of thewaste fluid.
Biological waste fluid(flammable one)
Infections waste andmutagenesis
materials areexcluded
Biological waste fluid(inflammable one)

Caution: Whole heavy metal ion concentration should be
kept below 5,000 ppmCaution: Steam inhalation of hydrogen fluoride causes
edema of the lungs, and its adhesion to the skin causes
hemorrhagic ulcers, so be careful.
Caution: Sediments and solid substances should be filtrated
Waste fluid which is non-infectious and is easy to burn suchas xylene waste fluid and xylene – alcohol waste fluid

Caution: Sediments and solid substances should be filtrated
Non-infectious and flame-retardant waste fluid
Ethidium bromide waste fluid such as fluid waste
containing 20% formalin

Ｇ－Ｃ(Orange)

Infection waste andmutagenesis
material areexcluded

Caution: Sediments and solid substances should be filtrated

check litmus paper.
5. An ammonium solution and ammonium compounds should
be classified as C-1.
6. When including inorganic fluorine and phosphate
compound, classify them as F-2.
7. Filtration residue should be clearly labeled with its content
and stored prior to the supplier being asked to collect anddispose of it.
1. In the case of etching waste fluid, label clearly stating what
metals are included.
2. In the case of gasification, waste fluid should be exhausted
after the gasification has stopped
3. When including polycondensation phosphoric acid such asorganic compounds (including the organic acid), organic
metals and tripoli phosphoric acid, consult theEnvironmental Conservation Research Institute.
4. If at all possilbe ammonium solution should not beincluded. When including ammonia or in the case of high ion
concentration of Cu2+, Cr3+, or Zn2+ forming an ammonium
complex, consult the Environmental Conservation ResearchInstitute.
5. Filtration residue should be clearly labeled with its contentand stored prior to the supplier being asked to collect anddispose of it.
1. Waste fluid which includes less than 5% water
2. Filtration residue should be clearly labeled with its content
and stored prior to the supplier being asked to collect anddispose of it.
3. When it is difficult to filtrate using filter paper, filtrateusing 80 mesh screen.
1. Waste fluid which includes more than 5% water
2. Waste fluid should be kept at a pH of more than 4 and thenexhausted.
3. Ethidium bromide waste fluid should be kept at aconcentration of less than 1 ppm.
4. Filtration residue should be clearly labeled with its contentand stored prior to the supplier being asked to collect anddispose of it.
5. When it is difficult to filtrate using filter paper, filtrateusing 80 mesh screen.