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percolation and evaporation pond operation accepting oilfield produced water, which is a highly saline byproduct of local oil production that contains small concentrations of cancer-causing chemicals.

The wastewater allegedly contained arsenic, benzene, ethylbenzene, naphthalene, radionuclides and toluene.Clean Water Fund and AIR alleged the practice has created an underground plume that has spread more than two miles since monitoring wells were established in the area in 2004, and that the contamination may eventually reach Buttonwillow's drinking water supply.

Valley Water Management Company (owner) & Sentinel Peak Resources (oil producer): fined $645,000

Clean Water Fund & Association of Irritated Residents: sued using Prop 65 (Safe Drinking Water and Toxic Enforcement Act of 1986) to shut down pond

other oil companies: inject wastewater deep underground in or near reservoirs where it originated

Central Valley Regional Water Quality Control Board: forced closure of pond out of concern that underground plume will reach Kern River and Bakersfield's drinking water

This policy applies to any persons who are considered refugees. Because this was after the Second World War, it was at first limited to people fleeing within Europe. Since then, its scope has widened and applies to people fleeing persecution and can be used today with respect to the current refugee problem. 

This policy was drafted by the United Nations. 26 countries and/or states were represented during this convention, including: Austria, Australia, Belgium, Brazil, Canada, Columbia, Denmark, Egypt, France, Germany, Greece, Holy See, Iraq, Israel, Italy, Luxembourg, Monaco, Netherlands, Norway, Sweden, Switzerland, Turkey, UK, US, Venezuela, and Yugoslavia. Cuba and Iran were also represented. The UN High Commissioner for Refugees participated, but was not given the right to vote on the matter. The International Labor Organization and the International Refugee Organization were also represented. Other NGOs were present as well. 

This policy is in reference to refugees seeking political asylum. Its initial aim was to define what a refugee is and outline how they should be treated and accepted. They acknowledge the problems relating to refugee travels and documents needed, problems regarding keeping family units together, as this is an essential right of a refugee. They also mention that refugees are a vulnerable group, and as such, require some degree of welfare services. They stress the importance of international cooperation and understanding that refugees need protection. Finally, they outline the treatment of refugees. This is an extensive document and policy, containing 46 Articles.  

The convention in 1951 was a response to WW2 and the vast amounts of refugees that existed as a result. States involved in the convention and the UN could decide to apply it to refugees not necessarily from WW2, but in 1967, the limits were removed and made it so that it could apply to any refugees, not just those from WW2. It has since been used during major refugee crises in Africa, the Middle East, and Asia. 

While this policy doesn't directly address public health, it does concern the rights and protection of displaced persons. They recognize the stressful situations that refugees are in and that welfare resources will be needed to help them. They discuss housing rights and rights to public education. While these might not be medical treatments, they would help with public health and are associated with overall well-being of these refugees. 

The entirety of this document illustrates how vulnerable refugees are. They define refugee to be someone who has been persecuted for reasons of "race, religion, nationality, membership of a particular social group or political opinion." They discuss the fear that refugees feel and that they should be treated favorably, sympathetically, and like other citizens of the contracting state. 

I can't find anything about how it was received back in the day, but with the current refugee problem facing the world, there is dispute about how to treat refugees and other immigration issues. Rhetoric used to describe refugees - especially those from Syria - has caused a lot of xenophobia around the world and various problems regarding immigration.

I think the main takeaway for first responders would be to treat these refugees as if they were anyone else. They should be treated fairly and favorably and should not be discriminated against when it comes to emergency care.