Summary: All stations reporting scores of -40 (NO DETECT).
| Station | Date | Species | Score |
| Ewin Narrows | 4/27/98 | Mytilus | -40 |
| Lookout Pt. | 4/27/98 | Mytilus | -40 |
| Lookout Pt. | 4/27/98 | Mya | -40 |
| Ash Pt. | 4/27/98 | Mytilus | -40 |
| Basin Pt. | 4/27/98 | Mytilus | -40 |
| Potts Pt. | 4/27/98 | Mytilus | -40 |
| Gurnet | 4/27/98 | Mytilus | -40 |
| Bethel Pt. | 4/27/98 | Mytilus | -40 |
| Cundys Hbr. | 4/27/98 | Mytilus | -40 |
| Cundys Hbr. | 4/27/98 | Mya | -40 |
| Lumbos Hole | 4/27/98 | Mytilus | -40 |
| Wills Gut | 4/27/98 | Mytilus | -40 |
| High Is. | 4/27/98 | Mytilus | -40 |
| Bristol Gut | 4/27/98 | Mytilus | -40 |
| Christmas Cove | 4/27/98 | Mytilus | -40 |
| Graveyard Pt. | 4/27/98 | Mytilus | -40 |
| Graveyard Pt. | 4/27/98 | Mya | -40 |
| Pemaquid Pt. | 4/27/98 | Mytilus | -40 |
| Chamberlain | 4/27/98 | Mytilus | -40 |
| Bear Is. Phippsburg | 4/28/98 | Mytilus | -40 |
| Sebasco | 4/28/98 | Mytilus | -40 |
| Sebasco | 4/28/98 | Mya | -40 |
| Sebasco | 4/28/98 | Spisula | -40 |
| Sebasco | 4/28/98 | Ensis | -40 |
| Head Beach | 4/28/98 | Mytilus | -40 |
| Head Beach | 4/28/98 | Modiolus | -40 |
| Head Beach | 4/28/98 | Spisula | -40 |
| Bay Pt. | 4/28/98 | Mytilus | -40 |
| Sagadahoc Bay | 4/28/98 | Mytilus | -40 |
| Sagadahoc Bay | 4/28/98 | Mya | -40 |
| Indian Pt. Georgetown | 4/28/98 | Mytilus | -40 |
| Little R. Georgetown | 4/28/98 | Mytilus | -40 |
| Little R. Georgetown | 4/28/98 | Mya | -40 |
| Kittery Pt. Bridge | 4/29/98 | Mytilus | -40 |
| York R. | 4/29/98 | Mytilus | -40 |
| York R. | 4/29/98 | Mya | -40 |
| Ogunquit R. | 4/29/98 | Mytilus | -40 |
| Ogunquit R. | 4/29/98 | Mya | -40 |
| Cape Porpoise | 4/29/98 | Mytilus | -40 |
| Cape Porpoise | 4/29/98 | Mya | -40 |
| Little R. Kennebunkport | 4/29/98 | Mytilus | -40 |
| Little R. Kennebunkport | 4/29/98 | Mya | -40 |
| Mere Pt. | 4/29/98 | Mytilus | -40 |
| Littlejohns Bridge | 4/29/98 | Mytilus | -40 |
| Waites Landing | 4/29/98 | Mytilus | -40 |
| Waites Landing | 4/29/98 | Mya | -40 |
| Spurwink R. | 4/29/98 | Mytilus | -40 |
| Spurwink R. | 4/29/98 | Mya | -40 |
| Scarboro R. | 4/29/98 | Mytilus | -40 |
| Scarboro R. | 4/29/98 | Mya | -40 |
| Mosquito Hbr. | 4/28/98 | Mytilus | -40 |
| Reeds Is. | 4/30/98 | Mytilus | -40 |
| Pratts Is. | 4/30/98 | Mytilus | -40 |
| Newagen | 4/30/98 | Mytilus | -40 |
| BBH Lab Float | 4/30/98 | Mytilus | -40 |
| Timber Pt. | 4/30/98 | Mytilus | -40 |
| Timber Pt. | 4/30/98 | Mya | -40 |
| Ames Cove | 4/30/98 | Mytilus | -40 |
| Garrison Is. Bar | 4/30/98 | Mytilus | -40 |
| Stones Pt. | 4/30/98 | Mytilus | -40 |