| Acronym | Meaning |
 | PPM | Parts Per Million |
| UPDM | Universit? Popolare Della Multimedialit? |
| SI | Slovenia (ISO 3166 And FIPS 10-4 Country Code Digram) -Socialist International - Sports Illustrated - Syst?me International (French |
| NPL | National Priorities List -Nepal (ISO 3166 Trigram) |
| AAN | American Academy Of Nursing |
| PS | Palestine (ISO 3166 Digram) -Personnel Services -petasiemens -post Scriptum (Latin |
| IRB | International Rugby Board |
| SBCT | Stryker Brigade Combat Team |
| VV&A | Verification, Validation, And Accreditation |
| PAMELA | Pedestrian Accessibility And Movement Environment Laboratory |
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