In this chapter, the following words have the meaning indicated. Terms Defined. “Aggregator” means a person that: Provides or contracts for environmental outcomes; or Provides or raises capital to finance delivery of environmental outcomes. “Environmental outcome” means a commodity that is modeled or directly measured as a single, quantifiable, and certified unit of improvement to the environment, including a nutrient or carbon benefit. “Environmental outcomes project” means a project designed to secure environmental outcomes. “Evaluator” means a person other than an aggregator that determines whether environmental outcomes have been achieved based on defined performance measures. “Outcome payment” means the money paid when a pay-for-success contract performance measure is met. “Pay-for-success contracting” means a performance-based procurement method through which a unit contracts with an organization to deliver services or commodities in exchange for payment based on the achievement of outcomes. “Quantification plan” means a plan in which an aggregator describes: The method that will be used to measure or model environmental outcomes and co-benefits under a pay-for-success contract; The compliance monitoring that will occur to ensure that the actions proposed in the pay-for-success contract are taken and maintained over the life of the project; Verification steps that will be carried out by the State to confirm model results or accurate measurement of environmental outcomes; and The timeline for proposed payments under the pay-for-success contract.