Section 4: Special rules for certain hazardous chemical agents

Reinforced individual monitoring of workers is provided under the conditions laid down in Articles R. 4624-22 to R. 4624-28: 1° Either if exposure to a concentration of lead in the air is greater than 0.05 mg/ m ³, calculated as a time-weighted average on an eight-hour basis ; 2° Or if a blood lead level in excess of 200 µg/l of blood for men or 100 µg/l of blood for…