GLI GLI Quality Tool
GLI Quality Tool — Version 2.0

Build a practical TB laboratory waste segregation poster

Building a TB lab waste segregation poster with color codes and disposal categories gives staff an immediate route for every item generated at the bench. Beside the actual waste stations, it can prevent needlestick injuries, contamination and costly disposal errors while making induction and refresher training easier.

Colour is useful only when it matches the facility’s approved waste plan. Australia has no single colour code for every laboratory waste stream, so the poster should combine a simple local palette with plain-English wording, symbols and container instructions. Confirm the format with the biosafety officer, the relevant authority, the council and the licensed clinical-waste contractor before printing.

Confirm local requirements before choosing colours

Start with a documented waste-flow map. List every item that can leave each bench, the person who handles it, the approved container and the final disposal route. Follow the work health and safety legislation in your state or territory, supported by Safe Work Australia model codes and guidance from the relevant regulator. Waste generators must also meet environmental and public-health legislation administered by their state or territory authority, including controls for infectious clinical waste, sharps and licensed transport.

Clinical-waste markets differ across Melbourne, Sydney and Brisbane. Private contractors commonly supply colour-coded liners, rigid sharps containers and scheduled collection, yet the palette, paperwork and service frequency can differ between facilities. Ask the contractor for exact stream names, container colours, fill levels, consignment documents and an emergency contact. Use council guidance for uncontaminated general waste and accepted recyclables; clinical waste should follow the controlled clinical-waste pathway.

Define every disposal category

Give each category a precise title and clear examples. Infectious clinical waste includes viable TB cultures, contaminated disposable PPE, specimen-soiled materials and sealed assay consumables. Sharps remain separate: needles, lancets, blades, contaminated slides and contaminated broken glass go directly into approved puncture-resistant sharps bins. They must never enter a plastic bag or ordinary bin.

Chemical waste is another hazardous category. Acids, alkalis, solvents, formaldehyde and staining reagents may require separate collection under the safety data sheet and the contractor’s instructions. Keep them in compatible, labelled containers with secondary containment, and never pour them into a sink or mix incompatible chemicals. Spill material follows its own approved response and disposal procedure.

Food, drink packaging, clean office waste and uncontaminated outer packaging belong in general or recyclable waste according to the council’s rules. Do not assume an item is safe because it looks clean: it may have been exposed to TB organisms or contaminated surfaces. An item leaves the controlled waste route only when an approved procedure and standard operating procedure allow it, including validated decontamination where relevant.

Choose a clear, site-specific colour scheme

Use a matrix recording colour, category, examples and destination. A practical starting point for discussion is yellow for sharps, red or purple for infectious clinical waste, orange for chemical waste where the contractor agrees, and green or grey for non-clinical general waste. Treat this as a draft, not a national standard, and replace any colour that conflicts with the local contract or hazard label.

Avoid confusion with recycling. In parts of Australia, a yellow household bin means kerbside recycling, while yellow is also widely used for sharps. Distinguish them with pictures of a rigid sharps container, a sealed clinical-waste bag and a wheelie bin. Never place a contaminated item in a recycling stream, and never improvise with a general council bin.

Do not make colour the only cue. Print the category name in large text, add an icon or biohazard symbol, and pair it with one action, such as “Seal and place in infectious waste”. Check the design in colour and monochrome for sufficient contrast, and show the container’s fill line, the responsible person, pickup contact and review date.

Build a poster people can read in seconds

Keep the main poster to one A4 landscape page. At the top, state “TB laboratory waste segregation”, then show each waste stream beside its colour, container type, examples and final destination. Use short verbs, large sans-serif type and simple line drawings. A separate spill-response card can carry detailed procedures so the segregation poster stays focused.

Colour key for the draft poster

Disposal categories on the poster

Add a footer with “Stop and ask if unsure”, the location of the spill kit and safety data sheet folder, and a phone number for the facilities manager or waste contractor. State plainly that infectious waste and sharps must never be placed in municipal or kerbside recycling.

Fit the poster into everyday laboratory work

Place copies at every waste point, not only in the induction folder. Add arrows showing movement from the bench to the correct container, and keep the poster above eye level where trolley movement cannot obscure it. Where staff use English as an additional language, provide a checked translation or pictogram version without replacing the clear English category names.

Plan around ordinary Australian habits. Takeaway coffee cups, lids and food packaging often enter workplaces in Melbourne and Sydney; cups generally belong in general waste because of their plastic lining, while clean recyclable packaging should follow the council’s current instructions. A contaminated takeaway container belongs in the infectious-waste route, not with clean catering waste.

Check stores and collection logistics, especially for regional, rural and remote facilities where licensed pickups may be less frequent. Provide labelled, closed holding containers, adequate stock and an escalation route for overfilled or leaking bins. Use the GLI guide for a critical equipment inventory as a model for tracking essential waste-handling equipment, spare parts and consumable backups.

Test the workflow and record improvements

Pilot the draft with scientists, technicians, cleaners, safety staff and facilities personnel. Give them representative items to sort, observe their choices and record every request for clarification. Test whether the poster can be read at a glance and whether the correct bin can be found without asking. Log wrong-bin events as near misses, then fix the wording or placement rather than blaming the person.

Embed the poster in the laboratory quality management system. Use the GLI Quality Tool’s laboratory quality management guidance to document approval, version control, induction, audits and corrective actions. Assign a named owner, record the approval date and next review date, and keep superseded copies out of circulation. Waste segregation should be included in competency assessments for everyone who generates or moves waste.

Review trends after the initial rollout, then repeat the exercise whenever bins move, waste streams change, new assays are introduced or the contractor changes its specifications. Update colours, examples, phone numbers and pictograms through the same document-control process used for standard operating procedures. This keeps the poster aligned with the quality system and makes continual improvement visible to assessors.

Launch the poster and keep it current

Obtain sign-off from the biosafety officer, laboratory manager, work-health-and-safety representative and contractor, then print durable copies with a version number, owner, approval date and review date. Replace old posters, brief all staff and contractors, and place the final version beside each waste point and waste-storage area.

Create the facility-specific version today: write down every waste stream, match it to an approved container, have the responsible officers and contractor sign it off, then brief every worker who uses the waste system. Record the review date in the laboratory quality system so the poster remains clear, current and auditable.