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为制定我国磷酸生产厂车间空气中磷酸卫生标准，以毒理学实验和职业人群流行病学调查及现场劳动卫生学调查为依据，并参考国外标准提出了我国车间空气中磷酸容许浓度为2mg／m3，时间加权平均容许浓度为1mg／m3。
In order to set the standards of phosphoric acid in the air of workshop of phosphoric acid plant in our country, based on the investigation of toxicological experiment and occupational population epidemiology and on-the-spot labor hygiene, with reference to foreign standards, the allowable concentration of phosphoric acid in the air of workshop in our country is 2mg / m3 , Time-weighted average allowable concentration of 1mg / m3.