Attachment_C-_TA-OCU_Certificate_of_Analysis-EWRF_Biosolids_10-03-2019.pdf

This document is an analytical report from Eurofins TestAmerica, Tampa, prepared for Orange County Utilities Water Division, documenting environmental testing results for a TCLP (Toxicity Characteristic Leaching Procedure) sampling at the EWRF (Eastern Water Reclamation Facility). The report, dated 10/3/2019, details comprehensive chemical and metal analysis of a solid sample, utilizing multiple testing methods including volatile organic compounds (GC/MS), semivolatile organic compounds, organochlorine pesticides, herbicides, and metals testing. The analysis covered a wide range of chemical compounds such as benzene, chlorobenzene, 2-butanone, various metals including silver, arsenic, barium, and mercury, with each analyte measured against specific method detection limits.

The report includes extensive quality control documentation, demonstrating rigorous testing protocols and validation processes. Eurofins TestAmerica's laboratories in Tampa and Savannah are accredited by multiple authorities including NELAP (National Environmental Laboratory Accreditation Program), California, Florida, Georgia, and US Federal Programs, with accreditations valid through 06/30/2020. The documentation provides detailed surrogate recovery summaries, method associations, and a comprehensive chain of custody record. Most analytes were reported at levels below detection limits, indicating the sample met standard environmental testing criteria. The report serves as a critical technical document for environmental compliance and monitoring of biosolids processing at the Orange County water reclamation facilities.