7198
Water analyses revealed aluminum , iron and zinc as well as organochlorine ( aldrin / dieldrin , endosulfan , heptachlor / heptachlor epoxide and metolachlor ) contamination at all of the sites , with the exception of FU10 .
 Chemical: aluminum; Chemical: iron; Chemical: zinc; Chemical: organochlorine; Chemical: aldrin; Chemical: dieldrin; Chemical: endosulfan; Chemical: heptachlor; Chemical: heptachlor epoxide; Chemical: metolachlor
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: aluminum; Chemical: iron; Chemical: zinc; Chemical: organochlorine; Chemical: aldrin; Chemical: dieldrin; Chemical: endosulfan; Chemical: heptachlor; Chemical: heptachlor epoxide; Chemical: metolachlor