Environmental Compliance and Laboratory Department
P.O. Box 170
Fort Defiance, AZ 86504
(928) 729-5721 ext. 2399
Lab Hours: Monday-Friday 8:00-12:00, 1:00-5:00
ID:
Password:
Additional Information
2023 PWSID Chart (PDF Document)
NTUA Sampling Procedures (Word Document )
Contract Lab Sampling Procedures (Word Document )
NTUA Chain of Custody Form (Excel Spreadsheet )
Web Manual Ver 2 (Word Document )
2023 Lab Closure (PDF Document)
NTUA Lab Methods (PDF Document)
NTUA Analytical Price Listing (PDF Document)
Frequently Asked Questions
"Environmental compliance with quality analytical services"