Waste handling

On this page you can find information on how to handle different kinds of laboratory waste. All waste on Absalon is under the management of Facility Service ( for information on suppliers please contact Facility Service. 

All course will have specific waste bins apponited, please check the labels on the bins before use. Note the incorrect handling of waste can create extremly hazadours siturations for both you and the people handling the waste. 

Chemical waste and waste handling

Certain types of chemical waste must, according to the Ministry of Environment and Energy's Executive Order, "Order On Waste", be delivered to the municipal disposal sites in specific fractions.

All laboratory courses has been appointed specific waste bins. 

Further information on waste management according to the Executive Order on Waste can be found on the following webside(In Danish)

You may found similar information on waste classification on the British Environmental agency’s webside.

During your laboratory exercises, you are asked to dispose of waste in nominated waste bins, e.g.:

Waste Group B. Halogen and sulphur-containing organic waste, e.g., tetrachloromethane, chloroform, methylene chloride, dimethyl sulfoxide.

Waste Group C. Flammable organic waste (Without halogen and sulphur), e.g., acetone, alcohols, ether, toluene, ethyl acetate, butanol. Water content <50%.

Waste Group H. Organic waste WITHOUT halogen and sulphur, e.g., formaldehyde, organic acids, phenol, diluted alcohols. Water content> 50%

In each waste bin, only waste solvents or mixtures of the same type as indicated above and on the waste bin can be disposed of. In case of doubt: ask the instructors.

A general rule is nothing from the laboratories is to be discarded down the drain without consulting an instructor.

It is illegal to diluted waste unnessacly. 


Clinical waste and waste handling



Typer af risiko spande og poser


Klassificering - klasse 1

Affalds håndtering

Link til autoklave? 

Glass and other waste

Glasaffald SKAL i særlig spand til glasaffald. Knust glas fejes op. De sidste rester tages op med fugtigt papir. <o:p></o:p>

Spilled chemicals

Spilled chemicals are to be wiped up immediately with paper (using gloves).

The paper is disposed of in the same bin used for the excerise. Remember, chemical residues can smell, evaporate and be detrimental to all – including the cleaning staff.

In case of spillage of hazardous or larger quantities of chemicals: - IMMEDIATELY call the instructor who can advise you on the use of appropriate absorbent materials (Vermiculite or a spill mat).

All laboratories are equipped with chemical spill kits.

Waste on and around the weighing balances SHOULD be IMMEDIATELY cleaned away, using a small brush and wiped down with paper moistened with water or scale cleaner. Keep in mind that paper used for cleaning the balance should be disposed of in the special waste bin in the fume hood.

Disposal of Mercury (e.g., from a thermometer or lamps): – consult with the instructor.


For information on waste grouping use kemibrug.


For course specific questions please contact the laboratory responsible personal.


For general questions please contact the laboratory manager.

Tobias Teken Christensen (