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A beryllium work area is any defined area (e.g., shop, laboratory, or other facility) that is subject to 10 CFR 850, i.e., that does not fall under the laboratory-use exemption (see Section 1.0), and where beryllium (other than beryllium articles) is handled, used, or worked. (Beryllium articles are those items meeting the OSHA definition of an article and whose surface contamination level is determined to be less than 0.2 µg Be/100 cm2.) Measured or potential airborne exposures are to be less than the AL of 0.2 µg Be/m3 as an 8-hour, time-weighted average. A beryllium work area may be either temporary or permanent, depending on the nature of the specific work. A beryllium work area shall be posted with the sign shown in Figure 1 in Section 3.5.8.
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