262 Entry into cargo tank can be made when the atmosphere is _______________

A. HC More than 1% LFL/O2- 21%/CO = 1PPM/H2S=3PPM
B. HC LESS than 1%LFL/O2=21%/CO=50PPM/H2S=1PPM
C. HC LESS than 1%LFL/O2=18%=50PPM/H2S=1PPM
D. HC Less than 1% LFL/O2=21%/CO=0PPM/H2S=0PPM