(A) No significant difference for this parameter. (B) F = 7.774; df = 1; *p = 0.008 compared with the SAL + FA and SAL + Diesel groups (C) F = 5.356; df = 1; *p = 0.026 compared with the SAL + FA and PPE + FA groups. Values of total cells (D), macrophages (E), epithelial cells (F), lymphocytes (G) and neutrophils (H) in BAL are expressed as the mean ± SE. (D) F = 33.067; df = 1; *p ≤ 0.001 compared with the SAL + FA and SAL + Diesel groups. F = 28.636; df = 1; **p ≤ 0.001 compared with the SAL + FA and PPE + FA groups. F = 0.404; df = 1; #p < 0.001 compared with the PPE + FA and SAL + Diesel groups (SAL + FA group: n = 10, PPE + FA group: n = 10, SAL + Diesel group: n = 14 and PPE + Diesel group: n = 13). (E) F = 4.363; df = 1; *p = 0.043 compared with the SAL + FA and SAL + Diesel groups. F = 5.157; df = 1; **p = 0.028 compared with the SAL + FA and PPE + FA groups. F = 2.166; df = 1; #p = 0.012 compared with the PPE + FA and SAL + Diesel groups (SAL + FA group: n = 10, PPE + FA group: n = 10, SAL + Diesel group: n = 14 and PPE + Diesel group: n = 13). (F) F = 7.414; df = 1; *p = 0.009 compared with the SAL + FA and SAL + Diesel groups. F = 8.117; df = 1; **p = 0.007 compared with the SAL + FA and PPE + FA groups. F = 3.268; df = 1; #p = 0.002 compared with the PPE + FA and SAL + Diesel groups (SAL + FA group: n = 10, PPE + FA group: n = 10, SAL + Diesel group: n = 14 and PPE + Diesel group: n = 13). (G) F = 5.884; df = 1; *p = 0.020 compared with the SAL + FA and SAL + Diesel groups. F = 4.861; df = 1; **p = 0.033 compared with the SAL + FA and PPE + FA groups. F = 3.976; df = 1; #p < 0.006 compared with the PPE + FA and SAL + Diesel groups (SAL + FA group: n = 10, PPE + FA group: n = 10, SAL + Diesel group: n = 14 and PPE + Diesel group n = 13). (H) F = 4.590; df = 1; *p = 0.039 compared with the SAL + FA and SAL + Diesel groups (SAL + FA group: n = 10, PPE + FA group: n = 9, SAL + Diesel group: n = 13 and PPE + Diesel group: n = 12).