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State of California Department of Pesticide Regulation
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Reports - Groundwater Archive

Collection of Preserved Nitrate Samples and Safety

September 25, 2024

Revision of the Statistical Method to Identify Pesticide Chemicals with Potential to Move through Soil to Groundwater in California

July 1, 2024

Standard Operating Procedure – Transporting, Packaging and Shipping Samples from the Field to the Warehouse or Laboratory

September 2, 1999

Standard Operating Procedure – Preparation of a Field Blank Sample

August 29, 2011

Standard Operating Procedure – Procedure for Preparing Background Matrix Water with Sediment

March 1, 2006

Standard Operating Procedure – Preparation of Blind Matrix Spikes

April 11, 2005

Standard Operating Procedure – EHAP Warehouse Facility Sample Storage Temperatures, Storage Maintenance and Security

October 12, 1999

Standard Operating Procedure – Procedure for Generating Rinse Blanks

June 23, 1998

Standard Operating Procedure – Sample Tracking Procedures

April 11, 2005

Standard Operating Procedure – Request for Method Development and the Laboratory Specifications Form

September 4, 2002

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