Toxic effects of 1,2,4-trimethylbenzene (pseudocumene) after acute and subchronic inhalation exposure

ppm. lrrmased total protein cwrten,, LDH. bat+gfucumntiase. and phosphatass actiwtieain bmmhoalvaalrr Iwage supematan, wre cb served. Rolamd @omtance test rweakd also rnturotox~ceffecis of Iha compaundduring and 14 days after saday repeated exposure. Based on Ihe respiratorytract mitation. hematopcie&zand wurotoxic effects a NOAEL of 25 ppm and LOAEL of 1W ppm is proposed