Pesticide manufacturers and the UK government deny a class of the chemicals called neonicotinoids cause significant problems for bees, but Germany, Italy and France have suspended key insecticides over such fears.
The American official, who spoke on the condition of anonymity, said the United States continued to believe that "a unilateral action could cause significant problems".
However, for independent health and social care providers, the 50p per hour rise will likely cause significant problems when it is introduced in April.
There are plenty of recent examples of defendants whose cooperation early in an investigation turned out to cause significant problems later.
While commending the Senate for acting, the White House said in a statement tonight that President Bush "has serious concerns that full federalization of the screener work force" could cause significant problems.
That, coupled with a new focus on renewable energy such as solar and wind, and a falling coal price due to the flood of new resource from the Galilee Basin, will cause significant problems for Australian projects, the study found.
As they scramble to get the programs to users by the end of the year, the equation is a simple one: making software reliable for most personal computer users is relatively easy; it is another matter, in a PC universe with tens of thousands of peripherals and software applications, to defeat the remaining bugs that cause significant problems for some users.
Nevertheless, it can cause significant problems during revision surgery.
Like a car, a single flawed component could cause significant problems for the user.
The formation of large clusters of unmelted polymer can cause significant problems in extrusion.
