Thank you so much for taking the time to solve this puzzle. I hope you had fun. I put a lot into this project, and it took quite a while to finish.

Acronyms, Initialisms, and Abbreviations used in this puzzle:

DE - Delaware

DIY - Do it yourself

OR - Oregon

TB - Tuberculosis

NUM - Number

UN - United Nations

TTSD - Tigard-Tualatin School District

PT TEST - Prothrombin Time Test

UEA - United Earth Alliance

MA - Massachusetts

the rest are pretty obvious. e.g. Nov, Sat, etc...