5431
Concentrations of Sigma n - C ( 15 - 35 ) ( n - alkanes with 15 - 35 carbon atoms ) , Sigma LAB ( sum of C ( 10 ) to C ( 13 ) LABs ) , and Sigma ( 26 ) PAH ( sum of 26 PAH compounds ) ranged from 110 to 3 , 160 , 11 to 160 , and 26 to 600 ng / g , with medians of 730 , 40 , and 230 ng / g , respectively .
 Chemical: n - C ( 15 - 35 ); Chemical: n - alkanes; Chemical: carbon; Chemical: LAB; Chemical: C ( 10 ) to C ( 13 ) LABs; Chemical: PAH; Chemical: PAH
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: n - C ( 15 - 35 ); Chemical: n - alkanes; Chemical: carbon; Chemical: LAB; Chemical: C ( 10 ) to C ( 13 ) LABs; Chemical: PAH; Chemical: PAH