A less toxic and more expensive alternative to mercury is gallium.

After lead weights were replaced by other less toxic alternatives, Mute Swan numbers increased again rapidly.

Limonene and D-limonene are less toxic alternatives for the mineral spirits.

MMF became popular as a less toxic alternative, instead of or in addition to azathioprine and cyclophosphamide.

It said the county shouldsimultaneously publicize a list of non- toxic alternatives and propose a plan for the collection of hazardous waste by municipalities.

Carbon dioxide has attracted attention in the pharmaceutical and other chemical processing industries as a less toxic alternative to more traditional solvents such as organochlorides.

As a less toxic alternative to methanol in the production of biodiesel fuel.

Formerly, it was a common oral and topical antimicrobial, until less toxic alternatives were discovered.

The substance is marketed as a less toxic and more sensitive alternative to ethidium bromide.

A less toxic alternative is cedar blocks, shavings or oil.