We purchased and used the ISO 14001:2015 tool kit last year and it was extremely helpful- I don't know how we would have gotten through the transition without it! My question- in an internal audit, must all elements be audited or may a company choose which elements to audit?
The purpose of an internal audit is to assess the level of compliance of your EMS with ISO 14001 requirements. Therefore, when you conduct an internal audit you need to ensureto include all the standard requirements that apply to your company. Regarding the audit frequency, a company can decide for themselves how long is the cycle (usually 1 year or 3 years). The organization can also decide if performing the audit of the entire EMS at one time o to breaking it down into different elements for more frequent audits.
These materials can also help you with the implementation of ISO 9001:2015: