10477
The maximal concentrations of 4 - iso - nonylphenol and estrone were 115 mg / kg dry weight and 20 micro g / kg dry weight at the sampling site Luppe , which showed in accordance the highest biological activity .
 Chemical: 4 - iso - nonylphenol; Chemical: estrone
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: 4 - iso - nonylphenol; Chemical: estrone