TABLE COLIFORM CONTENT IN WATER SAMPLE (colonies/100 ml water) BIKINI ISLAND School Cistern Sample 2 and 3 (duplicates) #2 - 65-70 definite colonies/100 mi #3 - approximately 50 definite colonies/100 ml Building 8 Cistern 70-80 definite colonies/100 mi clean background plate - 0 colonies HFH-7 (old well site previously used to Supplement cistern water supply during dry season) HFH-1 (emplaced in 1975) 3 samples shawed greater than 100 definite colonies/ 100 mi 2 samples - no definite indication of colonies ENEU ISLAND Mess Hall South Cistern 3 samples - 45-50 colonies/100 ml in each FWR 4 (existing Sample 1 - 12-14 definite colonies (contamination expected) ground water well supplying village area when used 2-3 families now use this supply) FWR 5 (emplaced in #2 - 5-6 probable but identification difficult #3 - no definite indication of colonies 1977) no large colonies but 3 plates covered with 25-30 tiny dark, red droplets (identification unknown) FWR 6 (emplaced in 1-2 probable colonies/100 mi 1977) 18440