Standard Interpretations - Table of Contents
• Standard Number: 1910.1025; 1910.1025 App A; 1910.1025 App B

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employerobligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at

December 1, 1999

[Name & Address Withheld]

Dear [Name Withheld]:

Thank you for your letter of May 11, 1999 to the Occupational Safety and Health Administration's (OSHA's) Office of Statistics. Your letter has been referred to the [Office of Health Enforcement] for response. You have questions regarding the handling of lead, which you described as lead balls or buckshot. We apologize for this delay in providing you with a response.

The OSHA standard which regulates exposure to lead in general industry is 29 CFR 1910.1025. This standard requires that employers ensure that the airborne levels of lead remain below the permissible exposure limit (PEL) of 50 µg/m3 as averaged over an time period. Lead becomes airborne when it is heated or abraded. It is unlikely that solid lead buckshot would produce an airborne-exposure level above the PEL or the action level of 30 µg/m3. However, it is advisable to wear gloves while handling the lead shot and to always wash your