Topic 5 Quiz Name_____________________ Figure 1 below shows the estimated percentage weight for waste by sector for the United Kingdom in 2001. Figure 1 13 % industrial 20 % agriculture 24 % demolition and construction 21 % mining and quarrying 6% commercial 7% household 1% sewage sludge 8% dredged material [Source: DEFRA, National Statistics, 2003] (a) Suggest what type of material accounts for most agricultural waste. ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... (1) (b) The total waste for the United Kingdom in 2001 was estimated at 430 million tonnes. Calculate the weight of waste (to the nearest million tonne) for agriculture and industrial combined. ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... (2) Figure 2 below shows changing trends in recycling from 1984 to 2002 in kilograms per person per year. Figure 2 Waste not recycled Waste recycled/composted Total Waste 1984 394 3 397 1992 417 11 428 2000 455 52 507 2001 455 58 513 2002 455 65 520 [Source: DEFRA, National Statistics, 2003] (c) (i) In which year was the greatest percentage of waste recycled? ........................................................................................................................... (1) (ii) What was the percentage of waste recycled in the year you have named in (c) (i)? ........................................................................................................................... (1) (d) Suggest two reasons why attitudes to recycling may have changed between 1984 and 2002 in more economically developed countries (MEDCs). ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... (2) (e) Identify a negative environmental trend from the data in Figure 2. ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... (1) (Total 8 marks) The table below shows the different types of domestic waste and the amounts produced per capita each year in a city in a developed country. Material type Examples Waste produced per capita / kg yr–1 Organic material garden waste, food/kitchen waste, wood Paper newspaper, writing paper, packaging, cardboard, milk cartons 91.2 Plastics soft drink bottles, plastic bags, plastic containers 25.1 Glass jars, bottles, plate glass 23.9 Metals steel cans, aluminium packaging and cans, copper pipes 14.4 Household hazardous paint, dry cell batteries, car batteries, fluorescent light bulbs 1.9 Miscellaneous ceramics (bricks, tiles etc.) rock, ash, soil Total 188 10.2 354.7 [Based on Australian Bureau of Statistics data] (a) Calculate the proportion of paper, glass, plastics and organic material combined as a percentage of total waste. ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... (1) (b) Outline and evaluate strategies for the management of the domestic waste in the table above. ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... (3) (Total 4 marks) The graph below shows the per capita waste generation rate for different household sizes. 1.6 1.4 1.2 1.0 per capita generation / kg day–1 0.8 0.6 0.4 0.2 0.0 2 3 4 5 6 7 8 9 10 Number of persons in household Number of persons in household [Source: modified from Rhyner et al. (1995), Waste Management and Resource Recovery, CRC Press, page 30] (a) Describe and explain the data shown in the graph. ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... (3) (b) Outline four strategies which could reduce the problem of solid waste in your local area. ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... (4) (Total 7 marks)