Table 2. Table 3. ranges Organic carbon distribution in ultrafilter fractionation of Skinface Pond water. Nominal Molecular Ultra- FI > O.0183pm XM-300 FPI* PM-i0 0.0183 > FIFE > FIIT > 0.0032um > 0.0009um UM- 05 0.0032 uM-05 FIV > 0.0009)m (mg/1) Weight Fraction filter Organic carbon > 300,000 > 300,000 > FIT 10,000 > FIII FIV > TOTAL 500 > 10,000 500 Organic carbon (%} 2.2 7 3.8 12 Effects of four organic fractions on S. obliquuscellular 237 Pu concentration after 6 hr. 237pyt4 Removed From Medium Treatment Final cell density (cell x 102+m172) Removed/Cell (2075 poi 23?purceri-L) & Total Removed AAP 1.1 + 0,184 32 + 6B 29 AAP + F I 1.6 + 0.367 6 + 2 9 A c 11.1 36 AAP + F IT 23 + 0.22 14.0 45 AAP + F Itz] 1.3 + 0.30% 29 + 6B 34 31.1 100 AAP + F IV 1.3 + 0.284 52 +7 62 12 + 4 14 Means which are not *N +4, a = 0.05, confidence intervals = + 2 So . significantly different from one another are denoted by A, Boor C. *€ = Organic fraction isolated 536 537