Ecological Tanks, Inc.
Certified models
| Model Name | Capacity | Material | Type | Expiration End Date | Class | |
|---|---|---|---|---|---|---|
| AA1500-10NR | 1500 | Concrete | Aerobic Treatment System | 12/15/2030 | Class 1 | |
| AA1200-75NR | 1200 | Concrete | Aerobic Treatment System | 12/15/2030 | Class 1 | |
| AA1000-75NR | 1000 | Concrete | Aerobic Treatment System | 12/15/2030 | Class 1 | |
| AA800-5NR | 800 | Concrete | Aerobic Treatment System | 12/15/2030 | Class 1 | |
| AA750-5NR | 750 | Concrete | Aerobic Treatment System | 12/15/2023 | Class 1 | |
| AA600-4NR | 600 | Concrete | Aerobic Treatment System | 12/15/2030 | Class 1 | |
| AA500-35NR | 500 | Concrete | Aerobic Treatment System | 10/04/2030 | Class 1 | |
| AS500L | 500 | Fiberglass | Aerobic Treatment System | 07/01/2027 | Class 1 | |
| AA500 | 500 | Concrete | Aerobic Treatment System | 07/01/2027 | Class 1 | |
| ASO-800 | 800 | Fiberglass | Aerobic Treatment System | 04/16/2027 | Class 1 | |
| ASO-800-C | 800 | Concrete | Aerobic Treatment System | 04/16/2027 | Class 1 | |
| ASO-1500C | 1500 | Concrete | Aerobic Treatment System | 06/01/2026 | Class 1 | |
| ASO-1500 | 1500 | Fiberglass | Aerobic Treatment System | 06/01/2026 | Class 1 | |
| ASO-1000C | 1000 | Concrete | Aerobic Treatment System | 06/01/2026 | Class 1 | |
| ASO-1000 | 1000 | Fiberglass | Aerobic Treatment System | 06/01/2026 | Class 1 | |
| ASO-750C | 750 | Concrete | Aerobic Treatment System | 06/01/2026 | Class 1 | |
| ASO-750 | 750 | Fiberglass | Aerobic Treatment System | 06/01/2026 | Class 1 | |
| ASO-600C 4+ 75 | 600 | Concrete | Aerobic Treatment System | 06/01/2026 | Class 1 | |
| ASO-600 CU | 600 | Fiberglass | Aerobic Treatment System | 06/01/2026 | Class 1 | |
| ASO-600 5+ 75 Trio EZ | 600 | Fiberglass | Aerobic Treatment System | 06/01/2026 | Class 1 | |
| ASO-600 5 + 5 Trio EZ | 600 | Fiberglass | Aerobic Treatment System | 06/01/2026 | Class 1 | |
| ASO-600 + 3 Duo | 600 | Fiberglass | Aerobic Treatment System | 06/01/2026 | Class 1 | |
| ASO-600 | 600 | Fiberglass | Aerobic Treatment System | 06/01/2026 | Class 1 | |
| ASO-500CU | 500 | Fiberglass | Aerobic Treatment System | 06/01/2026 | Class 1 | |
| ASO-500C 5 + 6 | 500 | Concrete | Aerobic Treatment System | 06/01/2026 | Class 1 | |
| ASO-500C | 500 | Concrete | Aerobic Treatment System | 06/01/2026 | Class 1 | |
| ASO-500 5 + 75 Trio EZ | 500 | Fiberglass | Aerobic Treatment System | 06/01/2026 | Class 1 | |
| ASO-500 5 + 5 Trio EZ | 500 | Fiberglass | Aerobic Treatment System | 06/01/2026 | Class 1 | |
| ASO-500 + 3 Duo | 500 | Fiberglass | Aerobic Treatment System | 06/01/2026 | Class 1 | |
| ASO-500 | 500 | Fiberglass | Aerobic Treatment System | 02/01/2026 | Class 1 |