Exposure Gender Rat Secretion in trachel mucosa Debris in trachea Vacuolization of hepatocytes Lymphocyte mobilization in liver Increase of intra-hepatic bie ducts Secretion in nasal cavity Macrophages in lung Lymphocytes in lung
Air Male 1
2
3
4
5
6
7
8		 -
+
+
+
2+
-
+
+		 -
-
-
-
-
-
-
+		 -
-
-
-
-
-
-
-		 +
+
-
+
+
-
+
+		 -
-
-
-
-
-
-
-		 -
+
+
+
-
+
+
-		 +
+
+
+
+
+
+
+		 +
+
-
-
+
+
-
+
Air Female 9
10
11
12
13
14
15
16		 -
-
-
2+
-
+
+
+		 -
-
-
-
-
-
+
-		 +
-
-
-
+
-
+
-		 -
+
+
-
+
-
-
+		 -
+
-
-
-
-
+
-		 2+
+
+
2+
+
+
-
+		 +
+
+
+
2+
+
+
+		 +
+
-
+
+
+
2+
+
ClO2 Female 17
18
19
20
21
22
23
24		 -
+
-
-
-
+
+
+		 -
-
-
-
-
-
+
-		 -
-
-
-
-
+
+
-		 +
+
-
+
+
+
-
2+		 -
-
-
-
-
-
+
-		 2+
2+
+
+
+
+
-
-		 2+
+
+
+
+
2+
2+
+		 +
+
+
+
-
-
+
+
ClO2 Female 25
26
27
28
29
30
31
32		 +
-
-
-
+
-
+
+		 -
-
-
-
+
-
+
+		 +
-
-
-
-
-
-
+		 +
+
+
-
+
+
+
-		 -
-
-
+
-
-
-
-		 -
+
+
2+
+
-
-
-		 +
+
2+
+
+
+
+
+		 -
-
+
+
+
+
+
+
Table 3: Histological analysis of rat organs.