Secondary containment requirements are addressed by the Environmental Protection Agency (EPA) through the Resource Conservation and Recovery Act (RCRA) contained in title 40 of the Code of Federal Regulations (CFR) part 264, the 2006 Uniform Fire Code (UFC) in standard 60.3.2.8.3 and in the 2012 International Fire Code (IFC) in 5004.2.
You should check your visa endorsement for the period of your stay in Zambia. Although you are allowed 90 days per calendar year the immigration officer will not normally endorse the full length of time upon entry and you will be required to extend the stay at the nearest immigration office.
Even if you have already applied and continue to wait for the approval of your spousal permit application (for permanent residence), you need to maintain a valid visa to remain in South Africa. You will therefore still need to submit an application for renewal at least 60 days before your current spouse visa expires.n the Regulations it stipulates, very importantly, that you must apply for a renewal of your spouse visa / permit at least 60 days prior to this specified expiry date.