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ACTION LEVELS <br /> Action Levels prescribe specific actions to be taken at different levels of exposure <br /> ' Continuous monitoring is required in order to select the appropriate personal Ievel of protection as <br /> work site conditions change When appropriate, continuous air monitoring will be conducted in the <br /> breathing zone of workers for total organic vapors and total particulates <br /> ' Monitoring for ionizing radiation will be done in the immediate work area when applicable, <br /> where the potential for exposure to ionizing radiation exists, based on a review of existing site <br /> ' radiologic data or knowledge of the site history <br /> The values given in the Table Air Monitoring, (Table A-11-1) for total organic vapors are <br /> applicable in situations where the potential specific air contaminants are unknown The action levels <br /> are recommended by the U S Environmental Protection Agency USEPA The radiation Action <br /> Levels are based on Nuclear Regulatory Commission regulations <br /> Many sites will have information on several potential air contaminants based on soil and <br /> ' ground-water analyses In these cases, where the specific potential air contaminants are known, <br /> appropriate action levels based on continuous monitoring for total organic vapor concentrations will <br /> be determined by the health and safety program manager HSPM in coordination with the PM <br /> ' (Project Manager) <br /> ' A site-specific history may show that potential exposure to airborne organic chemicals is <br /> limited to one or a few chemicals In this case, air sampling may be done for the specific chemicals, <br /> ' or appropriate action levels based on continuous monitoring for OVS may be determined as <br /> previously described <br /> If specific continuous air monitoring is being performed for all specific contaminants at a <br /> ' particular site, upgrading and downgrading the level of protection must be based on the applicable air <br /> exposure standard for each specific contaminant In all cases, the applicable Action levels for total <br /> organic vapors will be stated in the site-specific Health and Safety Plan <br /> N - i <br /> 1 <br />