PCB component noise reduction for MRI industry application

HI,

we are trying to reduce the noise from an off the shelf pcb that will be used in the mri industry. We have been able to reduce quite a bit of noise using copper mesh but we still have more to go. So we think we now have to consider the board components. We do have the schematics but we are looking for someone with some experience in measuring and or replacing the noisier components while still keeping the pcb in operation. The noise is in the 64 mg hz range. Please let me know if I may be in the wrong forum, and if you all know anyone that might be able to hire assist us. Thanks in advance, Steve

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