An EMS manager is establishing the internal audit program for the year. According to ISO 14001:2015, which factors are essential to consider when determining the frequency and focus of the audits?
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A
The availability of qualified auditors and the budget allocated for audits.
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B
The environmental importance of the processes and the results of previous audits.
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C
The schedule of external surveillance audits and requests from department managers.
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D
The complexity of the environmental regulations and the number of employees in each area.