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Both the NIOSH and the ACGIH identify lead as a potential human <br />carcinogen. If absorbed into your body at a certain dose, it is toxic. Acute <br />exposures are usually through inhalation of lead dusts into the lungs where it <br />is absorbed into the blood. Excessive/ adverse acute exposures can develop <br />quickly into seizures, coma, and cardiorespiratory arrest. Signs and <br />symptoms of chronic over-exposure are: loss of appetite, metallic taste in <br />mouth, anxiety, constipation, nausea, pallor, excessive tiredness, weakness, <br />insomnia, headache, nervous irritability, muscle or joint pain, tremors, <br />numbness, dizziness, hyperactivity and colic. Medical attention should be <br />sought if lead exposure is suspected. <br />Because of the ubiquitous use of lead in the environment and the low levels <br />that can lead to chronic exposures, the action level is 30 micrograms (ug) of <br />lead per cubic meter of air averaged over an 8 -hour work day. The action <br />level triggers several ancillary provisions of CCR Title 8, Section 1532.1, <br />including a medical surveillance program (blood lead monitoring of <br />employees), exposure monitoring, and training. <br />Controls : Employ wet methods/ dust suppression controls and avoid <br />contact with, and inhalation of, vapors and impacted soil/ dust. <br />COSTERA WASTE &ENVIRONMENTAL, INC. 23 MAY 4, 2021 <br />