This could lead to serious problems that occur if clonidine is stopped suddenly. Previous versions of the prescribing information for clonidine tablets and patches stated that the medication was approved for use in children as young as 12 years old. The current prescribing information states that these medications are not approved for use in children.
Therefore whereas a dental x-ray room may require a. nominal shielding of about 1.5mm lead for the direct beam and. about 0.7mm lead for the scattered field, a diagnostic x-ray. room may require a nominal shielding of about 3mm and 1.5mm. for the direct beam and scattered field respectively.
When using chemical testing, the action level is either 0.5% by weight or 1.0 mg/cm 2. Lead-free paint, on the other hand, is usually considered to be any dried coating containing no more than 0.06% (600 ppm) lead, essentially indicating no lead is added at any point in the manufacturing process.