특별 관리 물질을 한 건이라도 측정이 실시된 사업장 수는 2,304개, 특별 관리 물질 측정 건수는 총 10,343건이었다.
The number of workplaces for which even one special controlled substance was measured was 2,304, and a total of 10,343 cases were measured.