Biological monitoring

Biological monitoring, as set forth in 29 CFR 1910.1027(l)(2)(ii)(B), includes the following tests:

• Cadmium in urine (CdU), standardized to grams of creatinine (g/Cr) 29 CFR 1910.1027(l)(2)(ii)(B)(1);
• Beta-2 microglobulin in urine (B(2)-M), standardized to grams of creatinine (g/Cr), with pH specified, as described in Appendix F (29 CFR 1910.1027(l)(2)(ii)(B)(2));
• Cadmium in blood (CdB), standardized to liters of whole blood (lwb) 29 CFR 1910.1027(l)(2)(ii)(B)(3).

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