Trace Metals Analysis by EPA 1638
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PDFEnvironmental Services Brochure (0.8 MB) 
PDFUCMR4 Certification Letter (0.1 MB) 
PDFTerms and Conditions for Lab Services (COC) (2.5 MB)
PDFQuality Assurance Plan (8.6 MB)
PDFCOC - Chain of Custody Form (0.1 MB)
PDFRedding CA-ELAP Certification (0.1 MB)
PDFnChico CA-ELAP Certification (0.1 MB)
PDFWA-ELAP Certification, 1638 Metals, MeHg (1.5 MB)

PDFBacteria Sample Collection Instructions (0.1 MB)
PDFWell Chlorination Instructions (0.1 MB)

PDFDMRQA 2020 Redding 1677 - Final Report
PDFDMRQA 2020 Chico 2718 - Final Report

1669 Sampling Video - Warning! This old video does contain some errors and ommisions. Use as general information and guidance only! Refer to EPA 1669 for complete sampling instructions.

Price List – Please call for updated pricing information!

All files are available in Adobe Portable Document Format (PDF) format. You will need Adobe Reader (or another PDF-compatible application) to view and print these files. If needed, you can download the free Adobe Acrobat Reader here.