UPMSP High School Health Care study materials
UPMSP High School Health Care study resources

One Black Bag, Three Colours of Waste

UPMSP High School Health Care · Put your knowledge to work in context.

All case studies

One Black Bag, Three Colours of Waste

You are on duty at a two-bed sub-centre that also handles normal deliveries. At 11 a.m. on a Tuesday, the bin near the labour room contains: a placenta in a plastic bag, two pairs of used examination gloves, an empty IV fluid bottle with tubing still attached to a needle, a broken glass ampoule of diazepam, a pile of expired paracetamol tablets still in blister strips, cotton swabs stained with blood, a used syringe with the needle recapped, and yesterday's newspaper. The sweeper, who has had no training in waste handling, is about to put everything into one black polythene bag and hand it to the municipal garbage cart that comes at noon. The centre has red, yellow and black bins and a puncture-proof sharps container, but the blue bin has not been supplied for a month.

1. Segregate the items listed into the correct containers and justify each choice.

Read the worked answer

Segregation is decided by the risk the item carries, not by where it happens to be lying.

  • Placenta → red bag: human anatomical tissue.
  • Used examination gloves → red bag: contaminated with body fluid.
  • Blood-stained cotton swabs → red bag: blood-soaked, non-plastic.
  • IV bottle and tubing → cut the needle off into the puncture-proof sharps container; the contaminated bottle and tubing go into the red bag.
  • Used syringe with recapped needle → white translucent puncture-proof sharps container only.
  • Broken glass ampoule → blue container (glass). Since no blue bin exists, keep it in a separate rigid puncture-proof container with a label, never in black, and inform the medical officer in writing.
  • Expired paracetamol strips → yellow bag: expired medicines.
  • Newspaper → black bag: general waste.

Reasoning: black waste needs no special treatment, while red, yellow and sharps waste must be treated or destroyed, so any item put in black either spreads infection or reaches the recycler as medicine-contaminated material.

2. The sweeper argues that all waste from a health centre is 'infectious anyway'. How do you correct him, and what will you do about the recapped needle?

Read the worked answer

Correct him with numbers and consequences: roughly 75–85% of health-facility waste is general waste like paper, packaging and kitchen waste. If everything is treated as infectious, the centre pays to incinerate newspaper, the real infectious waste is harder to track, and the black-bag recycler is put at risk unnecessarily. Only waste that has touched blood, body fluid, tissue, medicine or a sharp needs special handling.

On the recapped needle: recapping is exactly how the first needlestick happens, so it must not be repeated. Do not bend, break or recap needles. Take the syringe and needle together to the sharps container and drop the needle in first, then the barrel. Show the sweeper the container, the fill line at three-quarters, and explain that he must never put his hand inside or empty it into another bag. Confirm his hepatitis B vaccination and supply gloves.

3. What will you record and report before the cart arrives at noon?

Read the worked answer

Before noon you must create a traceable record, because unsorted waste handed to a municipal cart is both an infection hazard and a rule violation.

  • Weigh or estimate and enter in the waste register: date, colour of bag or container, weight in kg, and the name and signature of the person who handed it over.
  • Note the sharps container's fill level and its closure and label date.
  • Make a written note to the medical officer that the blue bin is missing, that mixed waste was about to be handed over unsorted, and that the sweeper needs training; carbon copy kept at the centre.
  • Check that the placenta is not sold or dumped: if the family wants it for burial, hand it over only in a sealed leak-proof bag, with a record, if local policy allows.
  • Finish with hand hygiene, and check your own and the sweeper's hepatitis B immunisation.