X

Source: Graham E. Harris, Michael R. Fuchs, and Larry J. Holcombe, 1992, A guide to environmental testing, Chem. Eng. (November): 98-108. Notes: The construction of an environmental testing program begins with a list of the objectives that must be met. When that list is complete, the table indicates the proper elements to employ. Depending upon the end use of the data, testing can be performed directly in the field with portable instrumentation. Key:

Required or highly preferred Preferred or likely to be used = Neutral—Either is acceptable X Discouraged or unlikely to be used XX Not permitted or not available

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