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某制板厂工人至少暴露于3种潜在危害的空气污染物，经车间空气监测，二异氰酸（MDI）平均浓度范围为0．05～0．sing／m‘，甲醛的浓度低于检测限（0．05PPm），呼吸性粉尘平均浓度范围为0．05～0．5mg／m’。以该厂127名男性工人为接触组，当地燃油、天然气厂165名工人作对照组
At least one panel mill worker was exposed to at least three potentially hazardous air pollutants. After monitoring the air in the workshop, the average concentration of diisocyanates (MDI) was 0.05-0. sing / m ’, formaldehyde concentration below the detection limit (0.05PPm), respiratory dust average concentration range of 0.05 ~ 0.5mg / m’. A total of 127 male workers in this plant were employed as a contact group and 165 workers in the local oil and gas plant were used as a control group