trace substance definition

trace substance means a substance which has been added to the scheduled gases in order to assist in the monitoring and verifying of its migration after injection.
trace substance means the compound referred to as “{ * },” the formula and chemical structure of which is set forth in Exhibit D.

Related to trace substance

  • Chemical substance means a substance intended to be used as a precursor in the manufacture of a controlled substance or any other chemical intended to be used in the manufacture of a controlled substance. Intent under this subsection may be demonstrated by the substance's use, quantity, manner of storage, or proximity to other precursors or to manufacturing equipment.

  • Radioactive substance means a substance that emits ionizing

  • Regulated substance means any substance, material or waste the use, generation, handling, storage, treatment or disposal of which is regulated by any local or state government authority, including any of the same designated by any authority as hazardous, genetic, cloning, fetal, or embryonic.

  • Controlled substance means a controlled substance in schedules I through V of Section 202 of the Controlled Substances Act (2l U.S.C. 8l2) and as further defined in regulation at 2l CFR l308.ll-l308.l5.

  • Regulated Substances means “petroleum” and “petroleum-based substances” or any similar terms described or defined in any of the Environmental Laws and any applicable federal, state, county or local laws applicable to or regulating USTs.