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TABLE Z4. WATER QUALITY IN RALSTON CREEK <br />1998 - 2007 <br />rnrtnu cw_evu <br /> SWARH SW iRH 5W-ARH SW -ARH 6W-ARH SWARH SW+1RH SW#RH MIN MA% M EAN ME DIAN COUNT ND %ND <br />iRH SW-ARH SW~ARH SW-ARH SWARM SW~ARH SW~ARH 6W-ARH SW-ARH 6W-ARM SW-ARH SW-ARH 6W~ARH 6W-ARH <br />RH 6W + 7 329' <br />62]/07 ~] <br />S 0 <br />+ <br />W-ARH SW-ANH SWJ RH SWMRH 8W-AItH SWr1RH SW~ARH SW-ARH 6NM <br />829ID0 729AM 8/i0106 92806 102806 11/YLO6 112W01 11!30/04 1228106 125105 12&05 327/05 421N5 591N5 622/05 ]21415 820105 102N05 1120105 12!!1/05 1/311W 3/1N06 227106 62&'(16 1120108 12/76r06 <br /> 1227/06 1/3110 ].24 B.5 7.81 7.9 5 0 0% <br />0% <br /> t8t 181 5]0 448 511 5 0 <br />PM lay urtits) <br />112 <br />113 355 <br />230 <br />201 13 <br />0 <br />CorMUGi+i1y (umhos) 302 <br /><t. <10. <br />2.8 <br />2.5 4 <br />2 50% <br />Trial diwNed wide tat 168 150 160 180 760 3 0 0% <br />olel auapendetl ao6M Na Na 0 0 Na <br />Hardneu, toy! <br />67 <br />dt 120 <br />72.35 <br />]1.85 8 <br />0 <br />Cartoreb 120 100 100 100 100 1 0 O% <br />Bicarborete 762 ]6 <br />30 <br />36 240 <br />83.2 <br />68.]5 12 <br />0 <br />Ciswbetl 98 ~' c0.5 1.8 i.d 7.] 4 1 25% <br />iniN, total 62.5 62 <br />p <t. <br />0.13 <br />0 6 <br />1 25% <br />NBraN NNOpm <br />19.6 <br />7].] 0.5.3 <br />31.5 <br />32.8 13 <br />0 <br />Ammonb, tow <br />28.3 ~,p 32.5 <br />10.4 <br />8.9 54 <br />31.1) <br />15.2 12 <br />0 <br />Calcium 29.4 28.5 14.4 id <br />5 <br />8 <br /><5.2 <18. <br />11.2 <br />10.2 13 <br />0 O% <br />Sotlium, dlasaNed 12.5 122 14 <br />8 13.9 102 . <br />3 <br />1 1.3 3.2 22 2.22 12 0 0% <br />Magnesium, tlinoNed 82 B . 32 3.2 . <br />~ 7] 160 65A 45.5 id 0 0% <br />Ponaaium, diwohed 1.8 1.9 31 gp 47 <br />X <br />Sudate 23 18 27 14 39 23.3 22.35 11 0 0% <br />FIUGHOe, total <br />z9 28 25 19 28 <br />o D <br />1 <0 <br />5 <br /><0 <br /> <br />0.121 0 <br /> <br />0.1 18 0 Ne <br /> <br />18 100% <br />cNodae <br />PlwwMrous <0.2 <0.2 c0.2 <0.2 <0.2 m.2 <0.2 m.2 <0.2 <0.2 <br />0.4 . <br />. <br /><0.1 <0.4 0.140 0.1 10 B 80% <br />aluminum, dissolved m2 <02 <br />2 c0.1 <0.1 <0.1 <o <br />aot mm1 <D.aot mm1 moot <om1 moot m.os o.ao22 p.aaos 19 t9 95x <br />aluminum, low m.z m m <br />aot <o.oot m.ao1 . <br />m.oo1 moot <Dm1 m.os o.otp p.lwos 1D tD toox <br />aNimem, aweNetl <p.oo1 <o.oot . <br />m <br />os m.os m.os <br /><o.op3 m.003 <br />0.0075 <br />p.aols 1 <br />1 tams <br />arNmem.tow m.Dpt <o.oot . <o.t ` <br />on o <br />~ a~ z <br />u o 7~ <br />anenk. aiasoNea <0 <br />001 m.m1 <o.ao1 0.039 o.~ D 395 <br />.0 . <br />Atwnk,bW m.07 m.01 . 0.218 0.03 0.218 0.09fi 0.01 3 0 0% <br />tlisscNetl <br />Barium <p.pp2 <0.002 O.Op1 0.001 3 3 tOD% <br />, <br />Bar'vm, low p p 0 0 Na <br />Be 'um, diuoNeO c0.0002 <0.001 0.0002 0.0001 3 3 100% <br />Boron, low <p.pp5 <0.005 O.Op25 0.0035 3 3 100% <br />Cetlmium. d'wsoNed p 0 0 0 Na <br />Chromium, dlswNetl 0 p 0 0 Na <br />C aNtle, toW <br />05 <br />001 O.p03 <br />0 <br />m.001 0.001 <br />m.001 m.001 m.005 <br /><0.007 m.02 <br />0.0061 <br />0.0025 19 <br />1d ]6 <br />Copper <0.005 <0.005 <0.0 . < 0 <br />Dopper, tlbwNed c0.005 <0.005 <br /><0 <br />01 m.01 m.01 g.06 m.03 m09 0.0381 0.015 8 5 56% <br />Copper, tWal <0.005 <0.005 . 0.09 0.51 m.03 0.)9 0.211 0086 10 3 30% <br />hen, dlaaalved m.03 D.05 006 02 m.03 0 p 0 0 Na <br />Iron, tool 0,32 0.13 <br />03 <br />3 m <br />03 0.08 <br /><0 <br />03 <0 <br />m.03 m.08 <br />0.022 <br />0.015 11 <br />8 82% <br />Nen, suspended m.03 c0.03 0.05 <0.0 <br />. . <br />. m.03 0.73 0.163 0.051 8 3 38% <br />Iron, Feneua (Fe2i) 0,06 0.11 m.0.3 <br />c0.002 <0.003 <br />0.001 <br />0.1101 1 <br />1 100% <br />Bon, Fenic Fe3+) 0.32 <br /><0.005 <br />c0.002 m.05 <br />0.010 <br />0.0025 12 <br />it 92% <br />Lead, dbaMved e0 <br />005 m,05 <0.05 m.05 <br />01 <br />01 m <br />m <br />e0.01 m.01 <br /><0.01 e0.01 <0.01 <br />m.01 m.01 <br />0.006 <br />0.005 19 <br />17 89% <br />~~ toy! <0.005 . m.01 0.01 0.01 . <br />. <br />0 <br />02 <br />m.01 m.01 <br />0.0155 <br />0.0125 10 <br />5 <br />Marganesa, diaaoNed m.01 m.01 m <br />01 0.02 0.02 . <0.0002 m.0002 0.0001 0.0007 3 3 100% <br />Mangarese, tow 0.0.3 m.01 . <0.0001 <0.0001 <0.007 0.00023 0.00005 10 10 100% <br />Mercury, disaeNeO c0.001 <0.001 <0.001 <br />005 <br />8 m <br />016 0.015 <br />0 <br />O.O1B 0.016 <0.005 <br />D.ppS 0.20 <br />0.019 <br />0.015 19 <br />Mercury. tow m.0007 m.0001 0.005 0.023 0.015 . <br />0.01 . m.ob m.06 0.02 0.02 3 3 100% <br />Molybdenum, tlieaohed 0.00] <0.005 <p.005 <0.005 0.003 0.0025 3 3 100% <br />Nkkel, dbaMVed <br /><0.0002 <0.001 <br />O.OOp2 <br />O.p001 3 <br />SebNUm, tliawNed <br />mmt <br /><O.ao1 m.ot <br />o.aoz <br />o.lnos to <br />sw«, ai.wNad oot m.o1 m.o1 m.ot mm1 mm1 <o <br />ao1 mmt <om1 m.aat <p.oo1 <D.oot D.aoos oaon is 1 <br />siNer,roMl <o.oot <o. <br /><0.001 <om1 <br /><D.oot <br />mm1 <br />. <br />01 m.01 <br />m <br />0.005 <br />0.005 3 <br />3 100% <br />TlyYUm, tlbwNed <0.001 <o.opt <0.001 . <br /><p.OD1 <0.1 0.01535 0.0005 10 10 100% <br />Varedium, diueNetl <0.1 <0.7 <0't <0.005 <0.005 0.0025 0.0025 3 3 100% <br />Tn.s~an, yw m.001 <0.001 o.aos D.oos p.p1 o.aofiz o.oos5 10 4 60% <br />, aiawNetl <0.01 m.o1 m.at <br />116 <br />0 <br />0058 <br />129 0 <br />115 0 <br />0 <br />0.169 0.0905 <br />0.1 <br />0.163 0.101 <br />zb1p, mw o.aos <o.aas <br />0192 <br />0215 0 <br />35 0 <br />0 <br />0 02 0.0168 0.0192 0.03W 00157 <br />0 0.0089 0.0073 0.0127 0.089 0.711 0.101 0.125 0.715 . . <br />. <br />. <br />0003 <br />` O.W B 0.0003 p.00Di .0035 000] 0.00065 58 31 53% <br />UnNUm, dnaeNed 0.0259 . <br />. <br />. <br />1 <br />0.0129 0.0137 0.0208 . <br />0003 `0.0003 <br />0003 m <br />`0 <br />0003 m 0.0022 0.000] 0.0005 0.0005 0.0005 m.0003 <o.OW3 0.0004 c0.0003 0. 0 <br />0102 D.p1o2 0.0102 0.010 0.0102 1 0 0 <br />susperMad <br />Uranium 0.0008 p.Op17 0.0008 0.0003 e0.0003 m.0003 . <br />. <br />. . 0 0 O 0 Na <br />. <br />le1M <br />Unrium p 0 0 0 Na <br />, <br />TNOrium328, tlb. 2) 0 o p o Na <br />Tronwr.23o, aia. I~w) <br />m.z o.B o <br />. o.z a3 <br />0.] <br />os 56 <br />TroNer.z3z, ai.. IPCvi) 2 <0.2 0.3 <br />3 m <br />0 m.2 <0.2 m2 0.3 1.8 0.] O.d 0.5 0.5 0.9 m2 m2 0 0.3 0.10 0.1 55 35 86% <br />Ratlkm226, tlia. aCw) 0.5 0.4 OS <02 0.5 0.3 . <br />. <br />1 <br />2 <0 <br />2 <0 <br />c0 <br />2 m m.2 c0.2 0.2 0.3 c0.2 m.1 <0.2 m.2 c0.2 <0.1 2 <br />e0 2 02 <br />0 10 <br />0 0.1 1 1 700% <br />Ratliuirv226, auw.lPCi/L) <02 m2 m.2 <0.2 m.2 m.2 . <br />. <br />. <br />. . . <br />].] 31 . <br />15.87 82 3 0 O% <br />Ratlbm328, total OrC9L) 36 19 9.83 72 3 0 O% <br />Grow Alply, dis. (pCUL) <br />Grow Rote, dn. WI <br />NOTES'. Mean aM metlbn alaOW celcdstetl ueirq onedwf tletMbn IbrJt (12 D.L.) <br />ND = number of nortdelects <br />Reauea an N mglL uNeu otlxrxiae notetl <br />Pege 19 of 25 wnato/..arsostlms4 <br />