* Pursuing a Technical Degree in Chemistry or Higher Education in Chemistry, Industrial Chemistry or Chemical Engineering – from the 3rd semester onwards. * Internship allowance: R$ 1.000,00/month + transportation aid + meal assistance * 30 weekly hours – (Monday to Friday, 8 AM to 2:30 PM) * Perform physicochemical analyses of water and effluents; * Assist in the creation and maintenance of management spreadsheets and charts; * Support the chemical production process; * Assist in controlling and ensuring the integrity of production materials; * Be responsible for maintaining, cleaning and preserving laboratory and field materials, instruments and equipment; * Responsible for sample control and reception at the laboratory; * Assist in controlling laboratory reagent and supply inventory; * Assist in treatability tests; * Perform document review and formatting. * Intermediate-level knowledge of Excel; * Good general knowledge of OFFICE suite; Job type: Part-time, Internship Contract duration: 6 months Pay: R$1.000,00 per month Benefits: * Meal voucher * Transportation voucher