Sentence examples for existing substances for from inspiring English sources

The group prioritised 127 existing substances for an in-depth evaluation.

By requiring less hazard information for existing substances than for new chemicals (data gap) and by stymieing effective regulation of well-known hazards (safety gap), TSCA has produced a chemicals market that favors existing chemicals over newer and potentially less toxic substances.

Could an existing substance exist for a certain length of time and then go out of existence?

Here the adjective "individual" distinguishes an existing substance from common or second substance.

Monitoring data can be used for existing substances such as PFOS or HBCDD for which a ban is elaborated.

Although designed for prioritization of Existing Substances in Canada, these tools have potential for broader application in other national and international programs to provide focus and increase efficiency in human health risk assessment.

But since all existing substances must nonetheless have causes and reasons for their existence, the fact that a substance exists must be explained entirely by the substance itself.

The authors anticipated that Gore Bio-A would have potential as a soft tissue implant substituting for the weaknesses of existing substances and initiated research.

According to this distinction, there are about 100,000 existing substances, and 3000 new substances.

The principle of coexistence then argues that harmonious causal interaction between otherwise isolated, independently existing substances is possible only by means of God's coordination (just as Leibniz thought was required for harmonious relations between the states of such substances).

The EU chemicals legislation (see box--EU Chemicals Policy) distinguishes between ?existing substances," that is, chemicals declared to have been on the market before 18 September 1981, when the current system for registering chemical substances came into force, and ?new substances" registered since that date.