Laserfiche WebLink
Lab No.: A 2 <br />Client/1D: r 11 3 r at ‘.6,0 <br />FATHEAD MINNOW HAZARDOUS WASTE <br />SCREEN BIOASSAY Aquatic <br />Testing <br />Laboratories <br />TEST SUMMARY <br />Species: Emephales promelas. <br />Fish weight (gm): av: 0. 2 7 ; min: 0.1 ; max:_ o.p <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 />Source: rA -14•116 1.41ww.. • <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: I o <br />Photoperiod: 16/8 hrs light/dark. <br />TEST DATA <br />INITIAL 24 Hr 72 Hr <br />(v-Ii 'IAA oTo 61- (..t•Coa.P (ok Date/Time: I ty-tr-to. lek <br />Analyst: I _ ..7 <br />"C DO pH # 0 ' C DO pH 0 0 "C DO pH <br />..- <br /># D 'C DO pH °C DO pH k D <br />COntrOl A (1.1 9 ,? 7.f IL '? B . 0 7.6 0 1.1 ? 7, 0 y‘t 0 I, ? 5-. 2 7. y eo 44 41, <br />4 <br />7.1 0 <br />Control B it 7 r.,) 7.1 2,,,,0 7, 3 7. 6 o 11. C X 1 7. c n fl. g i. 1 7.) 0 if 4 f <br />400 mWI A 4 .0 7. t ?. % r7.7 7, f 7 .1 D 6). ( 7. 1 7,,1 0 It i k 1 7.) 0 ilf 4.o 73 o <br />400 mg/I B 7. s- Z 7 It i 75- ..2,$' 0 N.( 7.' 74 0 (q. 7 t..? 7.f 0 Of 4.1 ,-) 0 <br />750 INA A '?. ( 7 L 7. 7 17,f 71 ., y 0 Zr.7 7 -v 7-) 0 1?.1 6./ z) 0 PIA ip.ti :13 a <br />750 mgli B ?..L 7. r 7.1, 04 7.) 7,5• 0 2414 7,1 7.) G (7.1 6,z 7J a iti 6•4. 1..3 6, <br />Comments: Extraction method: Mechanical shaking Dissolved Oxygen (DO) read ngs in mg/I Or „WA <br />None (aqueous solution) <br />Test Aeration: None ,..../ <br />* Aerated iit.4-7 (Minimum needed to maintain DO > 5.5 mg/L through narrow-bore glass tube at < 100 bubbles raCeminutc) <br />..... a\ <br />CONTROL HIGH CONCENTRATION <br />Alkalinity Hardness Alkalinity Hardness <br />Ini tilt! 3 mg/lCaCO, 4.15 mg/I CaCO, )3 mg/1 CaCO, If if mg/I CaCO, <br />Final )1 ing/I CaCO, PO mg/I CaCO, 3 3 mg/lCaCO, cl. mg/I CaCO, <br />- - <br />Total Number Dead <br />Control Ci / 3-0 <br />400 mg/I 0 / 2 0 <br />750 mg/I 6 1 2o <br />- <br />RESULT <br />(the checked (V) result applies based on fish survival rates of this test; NA - not applicable) <br />V- LC50 > 750 mg/I (<40% dead in 750 mg,/1 conc.) <br />HA 410°/0 dead in 750 mg/I (close to passing - definitive test recommended) <br />NA- LC50 < 400 mg/1 (>60% dead in 400 mg,/1 conc.)