Laboratory facilities

Laboratory facilities. (1) (ag) The laboratory shall ensure that the environmental conditions of its facility do not adversely affect the required quality of any measurement. (ar) Laboratory facilities shall ensure effective separation between neighboring areas in which incompatible analytical activities take place. The laboratory shall take measures to prevent cross-contamination. (b) Access to and use of areas affecting the quality of environmental tests shall be controlled to an extent commensurate with the type of analysis and samples analyzed by a laboratory. (2) The laboratory shall monitor, control, and record environmental conditions when the environmental conditions are required by the methods or when the environmental conditions influence the quality of test results.