Theurinary HA at the shift-end correlated wellwith TWA in air concentration (worker:r=0. 64, volunteer: r=0. 78).

• 尿中邻甲酚在低浓度接触者中；难以检出；但在高浓度接触时；班末尿中邻甲酚与空气浓度相关(工人;r=0.；63；志愿者;r=0