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Median of medians:
Layer Cake Non-Proprietary
Description of Technology
Descriptions for proprietary technologies are from the Massachusetts DEP Approval Letters for the technology.
Massachusetts Technology Approvals
| Approval Type | General | Remedial | Provisional | Pilot |
|---|---|---|---|---|
| Secondary Treatment | ||||
| Nitrogen Removal Credit | ||||
| Phosphorus Removal Credit |
Please check the Title 5 Innovative/Alternative Technology Approval Letters webpage at Massachusetts DEP for the most up-to-date information.