Examples
Worked examples
- Is an instance
A lab waste audit finding that most polypropylene tip-box waste is contamination-excluded from municipal recycling and routing it to a specialist take-back scheme instead.
Counter-examples
Looks similar, but isn't
- Not an instance
Replacing single-use plasticware with reusable glassware in a containment-level setting where biosafety protocol mandates single-use — the containment requirement overrides the sustainability preference.
Editorial commentary
Research laboratories generate disproportionately high plastic waste per worker (estimated at around 5.5 million tonnes per year globally) because single-use sterility requirements dominate biomedical workflows. A growing literature documents reduction strategies (right-sizing tip boxes, washing and re-using racks, switching to glass where contamination risk allows, supplier take-back of polypropylene), as well as the policy challenge that most lab plastic is excluded from municipal recycling streams due to chemical or biological contamination concerns. Lab waste audits typically find that 30 to 50 percent of plastic could be eliminated, re-used, or routed to specialist recyclers without compromising science.
Where the reduction actually comes from
Reduction strategies fall into three tiers, mirroring the 5R framework (refuse, reduce, reuse, recycle, research): refuse/reduce (right-sizing consumable orders, questioning single-use defaults for non-sterile work), reuse (reusable consumables such as glass or autoclavable labware where the biosafety level permits), and specialist recycling (supplier take-back schemes for polypropylene tip boxes and gloves, which most municipal streams reject due to contamination). A lab waste audit is the standard first step to find out which tier applies to a given lab’s actual waste stream before setting a reduction target.
Counter-example
Switching sterile cell-culture consumables to reusable glassware in a containment-level setting where single-use plastic is mandated by biosafety protocol is not a valid reduction strategy — the containment requirement overrides the sustainability preference, which is why waste-reduction plans distinguish sterility-critical from non-critical plasticware rather than applying one rule lab-wide.
Related pages
See also lab waste audit, reusable consumables, single-use plastic alternatives, the 5R framework, and sustainable procurement in research.
References
- Urbina, Watts, and Reardon, “Labs should cut plastic waste too,” Nature 528, 2015.
- My Green Lab / LabConscious resource library.
Also known as
Lab plastics waste · Single-use lab plastics
Machine-readable encodings
Use in your systems
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