22157
L . minor showed an excellent performance in removing copper from the medium since after 96 h , 36 , 60 , and 76 % removal were reached for 10 , 20 , and 30 mu g L ( - 1 ) of Cu respectively .
 Chemical: copper; Chemical: Cu
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: copper; Chemical: Cu