publishes educational content for professional development. To receive credit toward ACAC recertification, text or email your name along with the verification code embedded in each selection to the ACAC office at

Credits are granted to current ACAC.LIVE subscribers only, and can be applied only to the current two-year ACAC recertification period. If you accumulate more than the required number of credits in a single two-year period, keep your subscription current and then wait until after recertification to submit additional verification codes.

READ: OSHA Technical Manual - Section II, Chapters 1-4 (Part 1 of 3).

4 RCs.

This collection of chapters from OSHA’s Technical Manual provides guidance for sampling air contaminants and assessing the extent of skin exposure. The document covers basic information related to air sampling, essential instructions for acquiring documented and valid exposure data, and guidance on the potential for skin exposure to chemicals in the workplace and the available means of assessing the extent of skin exposure. In addition, the document provides a broad overview of the types of equipment and instrumentation available for use by OSHA personnel, and an instruction guide for the handling, packaging, and shipping of industrial hygiene, safety, and construction samples.

61 pages. This article is worth 4 recertification credits (RCs). To earn your credits, find the six-digit verification code embedded in the article and text or email the verification code to

ACAC tracks your credits as part of your ACAC.LIVE subscription. Request a report of your earned credits by emailing our staff at

READ: OSHA Technical Manual - Section II, Chapters 1-4 (Part 2 of 3)

READ: CDC - TB Elimination, Respiratory Protection in Health-Care Settings.