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文章通过对中卫县１７家乡镇企业劳动卫生学调查及预防性体检发现：目前，８０％的乡镇企业存在着不同程度的职业危害，有毒有害因素作业点卫生合格率仅为４７．９％，粉尘浓度最高２８８．８ｍｇ／ｍ３，超标２７．９倍；一氧化碳浓度最高３８．７ｍｇ／ｍ３，超标０．３倍；噪声强度最高９８分贝（Ａ），５６．３％的超过８５分贝。３４．４％的生产工人直接接触有毒有害因素，严重影响了工人的身体健康。
The article through Zhongwei County 17 township enterprises labor hygiene survey and preventive medical examination found that: at present, 80% of the township enterprises exist in varying degrees of occupational hazards, toxic and hazardous factors operating point health pass rate of only 47.9%, dust The highest concentration of 288.8mg / m3, exceeding the standard 27.9 times; the highest concentration of carbon monoxide 38.7mg / m3, exceeded 0.3 times; noise intensity up to 98 decibels (A), 56.3% of more than 85 decibels. 34.4% of production workers have direct contact with toxic and harmful factors, seriously affecting the health of workers.