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B C .if alytical TOXICITY BIOASSAY <br /> 125S POWM STREET.EmCRYVUE,CA 3+6Ca•le 151 a2d::::•Fa.la+5,547-]64 <br /> Log No.: E90-04-550.4 <br /> Alton Geoscience Date Sampled: 04/06/90 <br /> 1000 Burnette Ave.` Suite 140 <br /> Concord, CA 94527 Date Received: 04/19/90 <br /> Report To: Date Reported: 04/30/90 <br /> ATTN: Mr. Stephen Rosen <br /> 1 <br /> laew.ilG` reclu <br /> cc: <br /> CALIFORNIA HAZARDOUS WAST=ASSESSMENT BIOASSAY: SCREEN <br /> A-3,6,9,8A5,2,1,4,7 Cc-o, - 7.0-10.0' <br /> !0'1 'Oescription <br /> C' . anism Pimep a es Arame as, T-_ ea minnow Source Sticklebac s Un smite <br /> Fresh - __-rce Emeryvi ll. Dechlorinated Tema eratureFlan e S9T 9� <br /> ..ion Water Tap dater wMth Matrix p 9 <br /> at '1: Air X Oxygen - Norse Modifiers <br /> S <br /> Dilution <br /> t3° ;y Time. con.1101 250 mg/L 250 mg/L 750 m /L 750 m /L <br /> a. .i.6ns Mrs <br /> . ,.t No e- No .'4 h0. sa I No. - °L VO. �>' I No. °L NO. }S1 No I . <br /> f start -( 100' 10 100 10' 100: 10 100 10 10.0-- <br /> 10.. - - <br /> - ii" � 100'-_-17 1oc 10 --100 ; 10 X00 1 1Q <br /> - - - - ',-1-0,:' <br /> , rnsms 48 f -10 <br /> _ 100 _10 _100 10 100; 10i 100 i <br /> Surviving ----- 10_ 100 10-. 100 - 10 -1001 10; 100. 10 i00 <br /> 72 <br /> 1' 56 1,07-100 10 1 1 Q0 10 s 100 0 1001 10 100 r <br /> r= _Start 8.$ 9.1 9.1 9.2 9.2 I <br /> c.ssalveQ'•�at 8.7 9,0 8.9 9.Z 9.1 I <br /> t d8 g,6 $.8 8.6 8.8 i 9.0 I <br /> :.-lsygen <br /> 9.0 9.1 4.2 1 9,4 ! 9.1 ; <br /> 46 8.7 9.3 7.7 9.3 I 9.1 I <br /> start 8.3 8.3 8.3 8.4 8.4 <br /> zs 4 .8 7.8 7.8 7.8 7.8 <br /> PH 48 21.0 8.0 8.0 8.0 8.0 <br /> 7z 8.7 8.7 8.6 8.6 8.6 <br /> _ , <br /> gs . _..,. ._. _...7.9 7w7 : r.9.___ ._.. I -7-.-8-- <br /> 7.B <br /> Not <br /> RESULTS 96 hr TLm•>750 ma/L ToY1ct.. Jnitfstablished percent survival in undiluted sample Nnt Anntitable <br /> Length Of fish,cm•pdax.. 4.5-y.11, 3.2 Mean 3.2 'in cams.rtere9ahour-Omamydonno'.eeWlWe.ur- <br /> 075 �. 0.24 f Lean 0.55 50%4)at:eaat of*Gdut.on ar the monwit.no TLR reale,q <br /> . <br /> Weight of fish.g.: Max, equal,q ea.- <br /> Its I Parris <br />