Arizona:
Grade 4 AZ Water Operations Grade 4 AZ Wastewater Operations, Grade 4 Collections, Grade 4 Distribution, Grade 3 Collection, Grade 2 Distribution Class A CDL Tanker Endorsement AZ Backflow Device Tester/Repairer Certified
Michigan:
State of Michigan Licensing Class: A-1b, A-1d, A-1f, A-1g, A-1i, B-1b,
B-2, C-2a, C-3a, C-3b, D-3, F-4, S-3
Texas:
Wastewater Treatment – Class B
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