1.   The pipeline had cracked a long time before the oil spill occurred.

2.   And when spills occur, the manure seeps into streams and kills fish.

3.   If a spill occurs on a non-washable fabric, use dry-cleaning fluid instead.

4.   Most spills occur with tankers and not wells, he said.

5.   Premium Standard Farms and Continental Grain were fined more than half a million dollars combined for allowing the spills to occur.

6.   Spills may occur when children take mercury from a school chemistry lab and either dump it on school grounds or take it home.

7.   The oil spills occurred in widely scattered areas but posed no significant threat to the environment or public health, state and federal officials said.

8.   The spill occurred when a pipeline carrying the waste from a landfill to a treatment plant ruptured on Saturday.

9.   The spill occurred during tests to determine the condition of the line, said park spokeswoman Christine Cowles.

10.   The spill occurred at the mouth of the Tamar River, where the fuel oil is threatening certain estuary bird colonies, including breeding grounds of penguins.