The most satisfactory method of refuse disposal where suitable land is available is?

AIIMS Bhuvneshwar NO- 2018

Community Health Nursing

Medium

Appeared in: AIIMS Bhuvneshwar NO- 2018

Explanation

Controlled tipping, or sanitary landfill, is considered the most satisfactory method for large-scale refuse disposal when land is available.
The key principle is the daily covering of compacted waste with a layer of earth.
This practice effectively prevents the breeding of flies and other vectors, controls rodent infestation, and suppresses foul odors.
The heat generated during decomposition (over 60°C) helps destroy pathogens, making the process hygienic.
It minimizes the risk of soil and water pollution compared to open dumping.

Option A: Burial is a simpler, less systematic method than controlled tipping. While it involves covering waste, it's not done with the same daily frequency and compaction, making it less sanitary for large volumes.
Option C: Dumping is the most unsanitary method. It involves leaving refuse exposed, which creates a major public health hazard by attracting pests, causing foul smells, and polluting the environment.
Option D: A manure pit is a method for composting specific types of organic waste (like animal dung, straw, and kitchen scraps) to create fertilizer. It is not designed for the disposal of general municipal refuse, which includes non-biodegradable materials like plastics and glass.

Visual 1: Diagram - A cross-section of a sanitary landfill. This visual should illustrate the layering process: a layer of compacted refuse followed by a layer of soil, repeated daily. It helps learners understand how vectors and pollution are controlled.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Methods of Solid Waste Disposal as background academic context rather than a clinical decision trigger.
Proper refuse disposal is a cornerstone of community health nursing. It directly prevents the spread of vector-borne diseases such as cholera, typhoid, diarrhea, and leptospirosis by eliminating breeding grounds for flies, mosquitoes, and rodents.
Nurses play a vital role in educating communities about the importance of waste segregation (wet vs. dry), using covered bins, and avoiding open dumping to maintain environmental hygiene and prevent disease outbreaks.
What if? If suitable land is NOT available (e.g., in a dense urban city), the most satisfactory method would change. Incineration (controlled burning) would become the method of choice, especially for hazardous hospital waste, despite its higher cost.

How to Approach the Question

First, analyze the question's core requirement: the 'most satisfactory' method for 'refuse disposal' where 'land is available'.
Evaluate each option based on public health and sanitation principles.
Eliminate 'Dumping' immediately, as it is the most unhygienic and hazardous method.
Eliminate 'Manure pit' as it is a specialized method for organic/agricultural waste to make compost, not for general refuse.
Compare the remaining options: 'Burial' and 'Controlled tipping'. Both involve using land.
Recognize that 'Controlled tipping' (sanitary landfill) is a systematic, large-scale, and more hygienic version of burial due to the daily compaction and covering with soil, making it the 'most satisfactory' choice for municipal waste.

Concept Tested & Keywords

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