Threshold Limit Values (TLVs) for slightly toxic classes in dilution ventilation is:
A. <10 ppm
B. (100−500) ppm
C. >500 ppm
D. (10−100) ppm
Answer:C
Threshold Limit Values (TLVs) for slightly toxic classes in dilution ventilation is:
A. <10 ppm B. (100−500) ppm C. >500 ppm D. (10−100) ppm