Table 1

Landfill questionnaire response

Items included in questionnaire	Response*	%
*Number and percentage of sites for which information on the questionnaire item was obtained.
Start and closure dates	19	95
Total site area	18	90
Total quantity of waste in place: volume or weight, depth	11	55
Hazardous waste quantity or % of total waste classified as “hazardous”	17	85
Types of hazardous and industrial waste deposited	20	100
Containment/lining	20	100
Covering	20	100
Capping	20	100
Leachate collection system	20	100
Leachate monitoring	20	100
Soil type and permeability	20	100
Groundwater depth	14	70
Groundwater monitoring	20	100
Groundwater contamination	11	55
Public drinking water supply extraction points within 3 km	18	90
Private water supply extraction points within 3 km	18	90
Surface water: type and distance	19	95
Surface water monitoring	20	100
Surface water contamination	9	45
Landfill gas control system	17	85
Landfill gas monitoring	17	85
Landfill gas migration	8	40
Complaints about smells and odours from the landfill	10	50
Rainfall	15	75
Land use for recreation and/or food consumption within 3 km	18	90