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Furthermore, a complaint can be filed in accordance with the LGEEPA by persons, socialgroups, non-governmental organizations, associations, or communities before the PROFEPAor before other authorities regarding any event, act, or omission that produces or could producean ecological imbalance or harm to the environment or natural resources, or violatethe provisions of the LGEEPA or the other legal regulations governing matters related to environmentalprotection and the preservation and restoration of the environmental balance.4. Regulation of Air Pollution294C H A P T E R X V I IAir pollution is regulated in the first instance by the LGEEPA and its Regulations regardingthe Prevention and Control of Air Pollution. These laws place certain industriesunder federal jurisdiction and others under state or municipal jurisdiction, which aresubject to local law. Furthermore, the sources of air pollution are classified as fixedsources, mobile sources, or mixed sources, the latter being pollution coming from twoor more ducts or chimneys.The following industries are considered fixed sources under federal jurisdiction: chemical,petroleum and petrochemical, paint and dye, automotive, cellulose and paper, metallurgic,glass, power generation, asbestos, cement and lime, and the treatment of hazardouswaste. The operation and running of these industries that emit or could emit odors, gases,or solid or liquid particles in the atmosphere require an authorization by SEMARNAT.The Regulations establish that such industries are obliged in general to:a) Use equipment and systems that control emissions released into the atmosphere andto ensure they do not surpass the maximum allowable levels established in the correspondingenvironmental technical standards;b) Keep an inventory of their air emissions on the form specified by SEMARNAT;c) Install platforms and sampling ports;d) Measure their air emissions, register the results on the form specified by SEMARNAT,and send the records to the latter when so requested;e) Monitor the perimeter of their air pollution emissions under specific circumstances;f) Keep a logbook (bitácora) recording the operation and maintenance of their processingand control equipment;g) Give notice to SEMARNAT of the initiation of operations and of other specified circumstances.4.1. Operating LicenseIn order for the above-mentioned industries to be able to operate, an operating licenseissued by SEMARNAT is required. To obtain it, companies must provide, among otherthings, the following information: