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.
Visit visa expiration. Before being used for entry to the UAE, a visit visa entry permit is normally valid for up to 2 months after being issued (the DNRD website says 2 months but allow 60 days to be safe, or less if one of the months includes February). There were unconfirmed reports in May 2009 that the visa cancellation grace period had been extended to 90 days (not quite 3 months) to allow redundant workers more time to look for a new job in the UAE.