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FATHEAD MINNOW HAZARDOUS WASTE <br />SCREEN BIOASSAY <br />Lab No.: <br />Client/ID: A ty 7-eC_A 2 l o! 3 Y 7- 03 4 <br />TEST SUMMARY <br />Species: Pimephales promelas. <br />Fish weight (gm): av: h, 4 g ; min: o. r7 ; max: 0- k 3 <br />Reference Toxicant: SDS conducted monthly per source. <br />Test chamber volume: 10 liters. <br />Temperature: 20 +/- 2°C. <br />Aeration: none/minimum (>4.0 mg/I DO). <br />Number of replicates: 2. <br />Dilution water: Soft reconstituted water (40-48 mg/I CaCO3). <br />TEST DATA <br />An Aquatic <br />Testing <br />Laboratories <br />Source: 77„a,, 4.s F;S 4 <br />Regulations: CCR Title 22. <br />Test Protocol: California F&G/DHS 1988. <br />Endpoints: Survival at 96 hrs. <br />Test type: Static. <br />Feeding: None. <br />Number of fish per chamber: �. <br />Photoperiod: 16/8 hrs light/dark. <br />Date/Time: <br />Analyst: <br />INITIAL <br />24 Hr <br />48 Hr <br />72 Hr <br />96 Hr� <br />6-11-v (03 <br />(oi <br />6-I2-2 IF loYy <br />6-1j-2 ( lOtl <br />1 <br />IF� <br />3 mg/I CaCO, <br />°C <br />DO <br />pH <br />°C <br />DO <br />pH <br /># D <br />°C <br />D <br />pH <br /># D <br />°C <br />DO <br />pH <br /># D <br />°C <br />DO <br />pH <br /># D <br />Control A <br />21. T <br />? •! <br />�y <br />). , <br />5. i <br />% !; <br />d <br />��, <br />I <br />z•_ <br />- <br />�% <br />Control B <br />21,6 <br />9.3 <br />7-8 <br />(- <br />S• 7 <br />%• 7 <br />0 <br />V. 0 <br />7 <br />7 <br />0 <br />ZI.O <br />7. <br />b <br />400 mg/l A <br />21. S <br />$, 1 <br />7 6 <br />20,51 <br />j. o <br />I ) <br />0 <br />3 <br />S, Z <br />y <br />0 <br />Zu. 7 <br />7-1 <br />7.1 <br />0 <br />24 <br />400mg/1B <br />2!-6 <br />g.I <br />).6 <br />21.0 <br />6_1 <br />1>.y <br />0 <br />12"'s, <br />S3 <br />IX >a <br />I ?6.Y <br />1 7 <br />1 7. <br />2 <br />➢;!' <br />750 mg/1 A <br />l� 2 <br />S+ 2 <br />),6 <br />-T <br />S•r <br />7 <br />o- <br />S, ► <br />).3 <br />O <br />2,) is <br />7.1 <br />y.r <br />0 <br />750 mg/1 B Zl. l �''d ) 6 ZQS r, ( 7 f 6. l S, i 7- 1 la.g 7117 -hp S ? 7.t O <br />Comments: Extraction method: Mechanical shaking V' Dissolved Oxygen (DO) readings in mg/l 0,. <br />None (aqueous solution) .✓r9 . <br />Test Aeration: None ,.„ . <br />* Aerated ✓ . (Minimum needed to maintain DO > 5.5 mg/L through narrow -bore glass tube at < 100 bubbles per minute) <br />Total Number Dead <br />CONTROL <br />HIGH CONCENTRATION <br />Alkalinity <br />Hardness <br />Alkalinity <br />Hardness <br />I LC50 < 400 mg/1 (>60% dead in 400 mg/1 conc.) Papp 22 of 32 <br />Initial <br />3 mg/I CaCO, <br />K S— mg/I CaCO, <br />3 mg/I CaCO, <br />Sb mg/1 CaCO, <br />Final <br />3 Z mg/I CaCO, <br />1(7 mg/I CaCO, <br />3 mg/I CaCO, <br />Z mg/I CaCO, <br />Total Number Dead <br />Control <br />/ 10 <br />400 mg/l <br />D /2V <br />750 mg/1 <br />1 0/ 2 b <br />RESULT <br />(the checked ✓ result applies based on fish survival rates of this test; NA - notapplicable) <br />LC50 > 750 mg/1 (<40% dead in 750 mg/1 conc.) <br />NA <br />>_40% dead in 750 mg/1 (close to passing - definitive test recommended) <br />,V,l <br />I LC50 < 400 mg/1 (>60% dead in 400 mg/1 conc.) Papp 22 of 32 <br />