People around Boston Township might be seeing some smoke coming from the Cuyahoga Valley National Park, but it's all planned.  National Park Service Regional Fire Information Officer Mike Johnson says they're purposely burning about 7 acres today, mainly grass.

"We have certain parameters for what the wind speed needs to be, what the humidity levels are, wind direction, the amount of moister, soil and vegetation," said Johnson.

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Johnson says the burns are conducted to get rid of unwanted vegegation and encourage growth of that which is native to the area. 

He says the conditions are right to allow for most of the smoke to be drawn upward. 

This is one of several burns planned in the 33,000 acre park.

Cleanup today in the Cuyahoga Valley National Park after a tank of diesel fuel used for the Cuyahoga Valley Scenic Railroad spilled some of the fuel into the Cuyahoga River. The National Park Service says the spill was contained to between 50 to 100 gallons.

News release - National Park Service

At 6:45 a.m. Friday, September 9, 2011 a diesel refill tank spilled at the Fitzwater Maintenance Yard in Cuyahoga Valley National Park (CVNP). Fitzwater Yard is the maintenance yard for the Cuyahoga Valley Scenic Railroad located in Valley View, Ohio.

This was a small spill and of the estimated 200 gallons that spilled into the yard, approximately 50 to 100 gallons reached the Cuyahoga River. The spill has been contained and clean-up is occurring.

In addition to the National Park Service, several agencies responded, which included: U. S. Coast Guard, Valley View Fire Department, Independence Fire Department, Northeast Ohio Regional Sewer District, Southwest Emergency
Response Team, and Ohio EPA.

The National Park Service is leading the investigation with the assistance of the Independence Fire Department, and the Ohio EPA.

Cuyahoga Valley Scenic Railroad services will continue as scheduled. Please visit www.cvsr.com for schedule and ticket information.