The analytical reports submitted to the bodies of the State System for the Administration of Environmental Quality, Protection, Control and Development of the Environment and Proper Use of Natural Resources – SEAQUA, containing the results of physical, chemical and biological tests referring to any environmental matrix, shall be issued and performed by accredited laboratories, in the parameters determined according to ISO / IEC 17025, by the General Coordination of Accreditation – CGCRE of the National Institute of Metrology, Quality and Technology – INMETRO or by another body international agreement forming part of mutual recognition agreements, of which the General Coordination of Accreditation – CGCRE is a signatory.