7. Briefly define the following:
a) LD 50
b) LC 50
c) EC 50
d) NOAEC
e) NOEL
Introduction
11
[16:55 26/8/04 P:/CRC PRESS/4365 MING-HO.751 (1670)/4365-001.3d]
Ref: 4365 MING-HO YU Chap-001 Page: 11 1-12