19693
The general approach to risk assessment of genotoxic carcinogens has been to advise reduction of exposure to " as low as reasonably achievable / practicable " ( ALARA / P ) .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None