Standard Practice for Generation of Environmental Data Related to Waste Management Activities: Development of Data Quality Objectives

Importancia y uso:

5.1 Environmental data are often required for making regulatory and programmatic decisions. Decision makers must determine whether the levels of assurance associated with the data are sufficient in quality for their intended use.

5.2 Data generation efforts involve three parts: development of DQOs and subsequent project plan(s) to meet the DQOs, implementation and oversight of the project plan(s), and assessment of the data quality to determine whether the DQOs were met.

5.3 To determine the level of assurance necessary to support the decision, an iterative process must be used by decision makers, data collectors, and users. This practice emphasizes the iterative nature of the process of DQO development. Objectives may need to be reevaluated and modified as information related to the level of data quality is gained. This means that DQOs are the product of the DQO process and are subject to change as data are gathered and assessed.

5.4 This practice defines the process of developing DQOs. Each step of the planning process is described.

5.5 This practice emphasizes the importance of communication among those involved in developing DQOs, those planning and implementing the sampling and analysis aspects of environmental data generation activities, and those assessing data quality.

5.6 The impacts of a successful DQO process on the project are as follows: (1) a consensus on the nature of the problem and the desired decision shared by all the decision makers, (2) data quality consistent with its intended use, (3) a more resource-efficient sampling and analysis design, (4) a planned approach to data collection and evaluation, (5) quantitative criteria for knowing when to stop sampling, and (6) known measure of risk for making an incorrect decision.

Subcomité:

D34.01.01

Referida por:

D6538-12R19, D7831-20, D7045-17, D5681-23, D0596-01R18, D6699-24, E2421-15R21, D4448-01R19, D4547-20, D6051-15R23, D6759-24, D6956-17, D6661-17, D7048-16, D6640-21, D5633-21, D0596-01R18, D6044-21, D7204-23, D7353-21, D7352-18, D6907-22, D8170-20, D6235-18, D7758-17

Volúmen:

11.04

Número ICS:

13.030.99 (Other standards related to wastes)

Palabras clave:

data quality objectives; DQOs; project planning; waste analysis; waste testing;