Standard Guide for Sampling Terrestrial and Wetlands Vegetation
1.1 This guide covers environmental studies such a risk assessments, planning projects, or research typically including characterization of ecological resources. compliance with federal statues (for example, National environmental Policy Act 1970, (NEPA), Comprehensive Environmental response, Compensation and Liability Act 1981, (CERCLA: with its source Damage Assessment NRDA) components); Resource Conservation Recovery Act (RCRA), and Federal Insecticide Fungicide, and Rodenticide Act, (FIFRA)) as well as state regulations addressing project such as hazardous waste site assessments an environmental impact analysis often requires characterization of vegetation. This guide presents a framework for selection of terrestrial vegetation sampling methods based on project-specific objective. Method-specific practices are associated with this basic guide s annexes.
1.2 As with any data gathering activity, the value of information is affected by the strategy an sampling design. Determining the number of sample points, relationships among sampling points, and the correspondence of other sampling activities are important considerations. Strength an limitations of various methods are described in general terms in this guide. However, the key issues linked to data quality relate to the specific questions being addressed and the adequacy of the field sampling plan.
1.3 The values stated in SI units are to be regarded as the standard
1.4 This standards does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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