als an alternative for Davids answer, which is right imo, you could use disposal cost, for emphasis and clarity for technical illiterate readers.

btw, 'destructiekosten' would never be used for demolishing the building. It obviously refers to desctruction or rendering of products unfit for regular human consumption.

I found a source that should make this point clear for everyone:

Examen VMBO 2005


DESTRUCTIEKOSTEN
Wanneer dieren op een bedrijf doodgaan, worden deze door een destructiebedrijf opgehaald

For meat, rendering is used:
Industrial rendering is factory-scale process that uses slaughterhouse waste as its raw material. This material includes the heads, bones, offal, and other waste animal parts. The rendering process separates the fat from the bone and protein in the material. The fat can be used in animal feed, in soap-making, in candles, as a raw material for biodiesel production, and as a feed-stock for the oleo-chemical industry. The bone and protein becomes a dry particles known as meat and bone meal. For many years meat and bone meal were fed to cattle. This practice is now prohibited in developed countries because it was the main way in which BSE (mad-cow disease) was spread.
http://www.websters-online-dictionary.org/definition/renderi...

But indeed for other foodstuffes that become inedible 'destruction' would be an appropriate term.