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Reports Archive

Study 319: Monitoring of Dissolved Copper in California Coastal Marinas in 2025 and 2026

June 1, 2025

Study 320 Surface Water Ambient Monitoring Report 2023-2024

June 19, 2025

Status of Department of Pesticide Regulation Actions to Continuously Evaluate Pesticides and Mitigate Risks on January 1, 2025

June 30, 2025

Updated 1,3-Dichloropropene Monitoring Data and Its Impact on the Previous Model Evaluation

June 25, 2025

Evaluating Potential Impacts of Five Neonicotinoid Pesticides on Aquatic Organisms from Applications on Nonproduction Outdoor Ornamental Plants, Trees, and Turf

June 27, 2025

Monitoring Pesticides in Wastewater Influent and Effluent

May 21, 2025

Study 321: Surface Water Monitoring for Pesticides in Agricultural Areas in the Central Coast and Southern California, 2023

April 17, 2025

Neonicotinoid Fact Sheets

Study 322: Monitoring Pesticides in Wastewater Treatment Plant Influent and Effluent (2025)

April 28, 2025

Study 329: Pesticide Monitoring in Urban Areas of Northern California (FY2023/2024)

February 1, 2025

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