Table 5.

Calculated EDI and THQ values of Cr via chewing of khat.

Sample code	EDI (mg/kg. day)	THQ
C	0.011	0.002
S1	0.225	0.038
S2	0.200	0.034
S3	0.267	0.045
S4	0.102	0.001
S5	0.184	0.031
S6	0.321	0.054
S7	0.261	0.044
S8	0.399	0.067
S9	0.454	0.076