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Lead shielding in veterinary work did not affect blood lead levels. However, significant lead residue was found on hands after glove use without disposable gloves, highlighting the need for protective measures.

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Area of Science:

  • Occupational Health
  • Environmental Health
  • Veterinary Medicine

Background:

  • Lead shielding is used in veterinary medicine to protect workers from radiation.
  • The potential for lead contamination on workers' hands from shielding is a concern.

Purpose of the Study:

  • To compare blood lead concentrations in veterinary workers using lead shielding versus a control group.
  • To assess hand surface lead levels before and after using lead shielding.
  • To evaluate the effectiveness of disposable gloves worn under lead shielding.

Main Methods:

  • Blood and hand wipe samples were collected from veterinary workers and a control population.
  • Lead concentrations were measured using inductively coupled plasma mass spectrometry.

Main Results:

  • No significant difference in blood lead levels was observed between workers using lead shielding and the control group.
  • A high percentage of hand surface lead samples (up to 69%) exceeded 500 μg after lead glove use when disposable gloves were not worn.
  • Significant lead residue was detected on hands after lead shielding use, particularly without disposable gloves.

Conclusions:

  • While blood lead levels were unaffected, lead shielding can lead to significant hand contamination.
  • The use of disposable gloves underneath lead shielding is recommended to minimize skin contamination.
  • Post-use skin decontamination is advised when lead shielding is unavoidable.