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File: 120596_aacza_04.txt(1) Health Services: The host nation base had a well established medical service network with a Primary Care Clinic, Flight Medicine Clinic, Preventive Medicine Service and Aeromedical Training Institute located on base. There was ready access to a modern military medical center close by. The local community had a well developed national health service with ready access to health care for the general population. (2) Water Supply: (a) The drinking water at our location was supplied via a desal- inization plant in nearby city. According to OSI, the plant itself is secure. However, due to the location of the plant in relation to any base, it was our opinion, vulnerable to contamination since the water travels such a great distance before it reached our system. Facilities on the main base were supplied by the host nation military distribution system. Chlorine residual in the distribution system was negative, but coliform growth was generally negative. This system also supplied our tent city, however, we chlorinated the water when it entered tent city. Analysis of the water indicated very high quality. There were some problems with the water distribution system with frequent water outages. Therefore, only bottled was used for drinking. Bioenvironmental engineering conducted daily chlorination sampling and weekly bacteriologic testing. Periodic coliform contamination was attributed to problems with the host nation distribution system. (b) Bottled water. We purchased our bottled water from the Emirates Pure Spring Water Company. We received our supply directly from the factory (i.e. no "middle man") which was located in another city. According to the OSI, the plant was secure. We have no reason to believe this water is vulnerable to contamination. However, we were concerned with employee integ- rity. With the knowledge that the US Air Force was a "regular customer" and in the event that terrorist activity did escalate, we were prepared to re- evaluate this water source. (c) Equipment. Civil Engineering had eight 20,000 gallon water bladders on line. They had three reverse osmosis units (ROWPU) with six ROWPU filters and six NBC filters. The ROWPUs were on hand but not on line. CE had plans to put the ROWPUs on line in the event of a local contamination of the water supply. (d) Emergency Water Supply. The base's emergency water supply consisted of bottled water (approximately 1000 cases were stockpiled on the average), the water in the swimming pool (85,000 gallons), the water tank (50,000 gallons}, and the eight water bladders (l60,000 gallons). (3) Sewage Disposal: Sewage disposal on the main base relied on the host nation military sewage system. Part of tent city using existing tempo- rary buildings relied on a septic tank system. A temporary sewage disposal system was constructed by civil engineering to service the remainder of tent city. This utilized holding tanks. These were emptied by pumper trucks and disposed of in a sewage lagoon in the desert. We experienced no significant problems with flies or mosquitoes at the sewage lagoon. (4) Local Restaurants: We evaluated the Officer's Club and two small cantinas on base, which were available to our personnel or an optional basis Sanitation in these facilities were not up to our standards. Nevertheless we did not identify any foodborne epidemics related to our personnel eating at these facilities. We also evaluated the kitchens in several downtown restau- rants including large hotels (Hilton) and sanitation was well below AF stand-
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