A former top U.S. Olympic Committee official resigned from an IOC commission following his arrest on child pornography charges.

John Krimsky, a former USOC marketing chief, pleaded not guilty in Danbury, Conn., on Dec. 3 to four counts, including promoting a minor in an obscene performance, criminal attempt at possession of child pornography and third-degree possession of child pornography.

The International Olympic Committee "took note" yesterday of Krimsky's resignation from its Olympic Philately, Numismatic and Memorabilia Commission. The panel, chaired by former IOC president Juan Antonio Samaranch, deals with Olympic stamps, coins and pins and other collectors' items.

Krimsky's resignation letter, dated Dec. 5, was sent to the IOC ethics commission. It was then forwarded to the IOC executive board. Krimsky was with the USOC from 1986 to '99, when he resigned to return to private business.

He helped raise $2 billion for U.S. Olympic programs and was at the center of efforts to bounce back from the Salt Lake City bid scandal. Krimsky negotiated with the IOC for the USOC's share of Olympic revenues.

In 2000, he was hired as president of YankeeNets Properties and chief marketing officer of YankeeNets, a merger between the New York Yankees and New Jersey Nets.

Krimsky's arrest resulted from a 2005 tip from the New York Internet Crimes Against Children Task Force, which prompted an investigation that found he had traded child-pornography images with another person, state police said.

In other Olympic news:

* The IOC will study recent air quality tests to assess the risks posed by pollution for athletes at next year's Beijing Olympics. The IOC said the information will be used to make contingency plans for rescheduling events if smog levels are too high. China is trying improve the quality of Beijing's air, and IOC president Jacques Rogge has said events could be postponed if the levels are hazardous.

* Chinese traditional medicines do not contain banned substances, a Beijing Olympics medical official said. However, as a precaution they will not be used to treat athletes during the games.

Sport Stops

* University of Washington athletic director Todd Turner resigned, nearly 4 years after he was hired to straighten out a department thrown into disarray by scandals. The resignation takes effect Jan. 31. Turner was in the middle of a 5-year contract worth $325,000 in base salary and up to $420,000 annually with incentives. Scott Woodward, Washington's vice president for external affairs, will become acting athletic director when Turner leaves.

* Crew chief Ryan Pemberton has left Dale Earnhardt Inc., and the team said Doug Richert will replace him beginning today. Pemberton was scheduled to lead the No. 8 Chevrolet that will be co-driven next season by Mark Martin and Aric Almirola. *