城市公共厕所对环境的卫生学研究

SANITATION STUDY OF PUBLIC LAVATORY TO ENVIRONMENT

本文介绍了通过现场调查和实验研究,对六个城市的564座公共厕所进行了分析,结果为:水冲式公厕较非水冲式公厕卫生条件好,用卫生学指标评价水冲式公厕也明显好于非水冲式公厕.水冲式公厕臭气氨的浓度最低值0.11mg/m^3,最高值13.72mg/m^3,硫化氢最低值未检出,最高值0.006mg/m^3;蝇平均少于30只,蛆基本无.非水冲式公厕臭气氨的浓度最低值0.3mg/m^3,最高值26.47mg/m^3.硫化氢最低值未检出,最高值0.385mg/m^3;蝇平均多于30只顺每厕蹲位内多于15尾.研究表明公厕恶臭气体、蝇及她对城市环境和生态有明显的污染,应引起重视并加强改造和管理.

564 public lavatories were investigated by field and labortory investigation.The results indicated that general sanitation cordition of w.c is better than pit latrines. The investigation showed that it was very important to strenthen the management for w.c.