| Name | CALCIUM |
| Type | Dry cargo |
| Year | 1959 |
| GRT | 643 |
| Engines | Motor (aft) |
| Builder | GOOLE SHIPBUILDING & REPAIRING CO. LTD. |
| At | GOOLE |
| Launch date | 26-03-1959 |
| Yard number | 517 |
| Owners | Imperial Chemical Industries, Liverpool |
| History | 1964 CLONLEE of Shamrock Shipping Co., Larne. 1973 HUMBER LEE, Lee Shipping Ltd. (Normandie Dredging & Shipping), Hull. 1976 Redland Purle Ltd., Rayleigh. 1982 Cleanaway Ltd. and used as an effluent carrier. Converted to a suction dredger in 1973 |
| Fate | Broken up at Birkenhead in January 1985 |
... as CLONLEE below
