Group 1 - The ecological environment monitoring and scientific research center of the North Sea Ecological Environment Supervision Administration has officially launched groundwater quality assessment monitoring work for the 2025 flood season, focusing on 166 sampling points in the Beijing-Tianjin-Hebei region [1] - A temporary party branch has been established to enhance teamwork and leadership in the groundwater monitoring group, which is working tirelessly to meet the tight deadlines and heavy tasks [1] - Team members are facing harsh conditions, including extreme heat, mosquitoes, and even sudden rainstorms, yet they remain committed to their work, demonstrating strong dedication and resilience [1] Group 2 - The monitoring process involves meticulous steps such as rinsing sampling bottles, filtering, sampling, filling out apps, labeling, and adding preservatives, all carried out in an organized manner with clear division of labor [1] - Nighttime operations often extend until 1 or 2 AM, with party members taking the lead in laboratory work, showcasing a spirit of perseverance and commitment to ecological protection [1] - The efforts reflect the strong work ethic and dedication of the new era ecological protection team, emphasizing their role in environmental conservation [1]