SANAMBIENTE S.A.S. At the moment it is developing for the PERENCO Company, in agreement with the IDEAM, the contract No. 15-5486 of 2016 which has as its object: "Supply, installation, configuration and putting into operation of the equipment for 5 hydro-meteorological stations and 7 weather reports in CASANARE, of the CEGOC ASSOCIATION CONTRACTS AND PERENCO AUTONOMY ». Stations located in the municipalities of Aquitaine, Pisba, Socotá, Yopal, Orocue, Támara, Trinidad, Labranzagrande, Yopal and Nunchía, to which civil works were carried out.

"By which the accreditation is extended to produce quantitative physical and chemical information, for the studies or environmental analyzes required by the competent environmental authorities and of an official nature, related to the quality of the environment and of the renewable natural resources, to the society SANAMBIENTE SAS, identified with NIT 805,000.004-1, with address at Calle 5B4 No. 36-65 in the city of Santiago de Cali (Valle del Cauca), including the following variables under the guidelines of the NTC-ISO / IEC standard 17025 "General competence requirements of testing and calibration laboratories", version 2005:

Air Matrix:

1. Sample Taking for the Determination of Polynuclear Aromatic Hydrocarbons by Gas Chromatography: NIOSH Manual of Analytical Methods (NMAM), 4th ed., Method 5515. Revision 2, August 1994.
2. Sample Taking for the Determination of Polynuclear Aromatic Hydrocarbons by HPLC: NIOSH Manual of Analytical Methods (NMAM), 4th ed., Method 5506. Revision 3, January 1998