// CODE SNIPPET
1926.1101(f)(2)(ii) Basis of Initial Exposure Assessment
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Unless a negative exposure assessment has been made pursuant to paragraph (f)(2)(iii) of this section, the initial exposure assessment shall, if feasible, be based on monitoring conducted pursuant to paragraph (f)(1)(iii) of this section. The assessment shall take into consideration both the monitoring results and all observations, information or calculations which indicate employee exposure to asbestos, including any previous monitoring conducted in the workplace, or of the operations of the employer which indicate the levels of airborne asbestos likely to be encountered on the job. For Class I asbestos work, until the employer conducts exposure monitoring and documents that employees on that job will not be exposed in excess of the PELs, or otherwise makes a negative exposure assessment pursuant to paragraph (f)(2)(iii) of this section, the employer shall presume that employees are exposed in excess of the TWA and excursion limit.
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1926.1101(f)(2)(ii) Toxic and Hazardous Substances, Basis of Initial Exposure Assessment
Unless a negative exposure assessment has been made pursuant to paragraph (f)(2)(iii) of this section, the initial exposure assessment shall ...
OSHA 1926 Construction > Z Toxic and Hazardous Substances > 1926.1101 Asbestos > 1926.1101(f) Exposure Assessments and Monitoring > 1926.1101(f)(2) Initial Exposure Assessment > 1926.1101(f)(2)(ii) Basis of Initial Exposure Assessment
1926.62(d)(3)(iv) Occupational Health and Environmental Controls,
(n)(4) of this section, where used in assessing employee exposure in lieu of exposure monitoring ...
OSHA 1926 Construction > D Occupational Health and Environmental Controls > 1926.62 Lead > 1926.62(d) Exposure Assessment > 1926.62(d)(3) Basis of Initial Determination > 1926.62(d)(3)(iv)
1926.62(d)(3)(ii) Occupational Health and Environmental Controls,
Monitoring for the initial determination where performed may be limited to a representative sample of the exposed employees who the employer ...
OSHA 1926 Construction > D Occupational Health and Environmental Controls > 1926.62 Lead > 1926.62(d) Exposure Assessment > 1926.62(d)(3) Basis of Initial Determination > 1926.62(d)(3)(ii)
1926.62(d)(3)(i)(B) Occupational Health and Environmental Controls,
Any previous measurements of airborne lead ...
OSHA 1926 Construction > D Occupational Health and Environmental Controls > 1926.62 Lead > 1926.62(d) Exposure Assessment > 1926.62(d)(3) Basis of Initial Determination > 1926.62(d)(3)(i) > 1926.62(d)(3)(i)(B)
1926.62(d)(3)(iii) Occupational Health and Environmental Controls,
Where the employer has previously monitored for lead exposures, and the data were obtained within the past 12 months during work operations conducted ...
OSHA 1926 Construction > D Occupational Health and Environmental Controls > 1926.62 Lead > 1926.62(d) Exposure Assessment > 1926.62(d)(3) Basis of Initial Determination > 1926.62(d)(3)(iii)