That is reasonably cheap around San Francisco.However, Jared Blumenfeld, head of the city's Department of the Environment, explains that even in California, with its strict regulation, landfilling involves environmental costs that the city wants to avoid on principle.
The Waste and Resources Action Programme (WRAP), a government-funded agency charged with reducing landfilling, among other worthy goals, helped to pay for the initial trial of the recycled bottles.
The latest proposal requires the landfilling of large portions of the dugongs' sea-grass habitat in Henoko and neighbouring Oura Bay.
Trying to meet a target set by one of those European directives, it discourages landfilling by taxing it heavily.
Firms generally need a licence to use, transport or dispose of the most dangerous substances, which are kept track of and often have to be treated before incineration or landfilling.
Visitors are always amazed, the site manager says, to discover how much more there is to landfilling than tipping waste in a hole.
At the most basic level, recycling competes with landfilling.
In 2006 the Technical University of Denmark conducted a review of 272 studies comparing the effects of recycling with those of landfilling or incineration.
One of the most important factors relating to landfilling is that the buried waste never comes in contact with surface water or groundwater.
Two basic methods of land disposal include landfilling and underground injection.
Landfilling of hazardous solid or containerized waste is regulated more stringently than landfilling of municipal solid waste.
