Object: Electronic Auction - Price Registration, For A Period Of 12 (Twelve) Months, For The Future Provision Of Preparation And Chemical Analysis Services For Approximately 7,000 (Seven Thousand) Rock Samples And 15,000 (Fifteen Thousand) Samples Of Stream Sediment And/Or Soil, In Accordance With The Specifications Contained In The Term Of Reference Annex I, Of This Notice.