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B C AnalyticalTOXICITY BIOASSAY <br /> 1255 Powell Stree l <br /> Entervvelle•. CA 940011 <br /> 5101-12B-2300 <br /> Fax:510/5.17-3043 Log No.: 92102552-1 <br /> Date sampled: 10/13/92 <br /> Ms. Beth Pratt Date Received' 10/13/92 <br /> Dopaco, Inc. Date MailedN@V 04192 <br /> 4545 Quantas Lane <br /> Report 70: Stockton, California 95206 <br /> .-.-.. -_•_-• Laboratory Director <br /> CALIFORNIA HAZARDOUS WASTE ASSESSMENT BIOASSAY: SCREEN <br /> sample Description OPMR- Wastewater._ <br /> Test organism Pime es,-,ArcirfMLfatheadµminnaw .,. .___.. W.. ... $ource _Thornas_Fish C,- an -._.--, <br /> _� <br /> Dilution Water Fresh source myville.QecW inated Tap,Wa.with matrix modfiers Temperature Range 19.7-202 °C <br /> Aeration: Air Xoxygen..--.... None. Test initiated 10/19/92 Control initial hardness 41 m�/L..................... <br /> Dilution <br /> Bioassay Time Control � L <br /> Conditions ; Hrs _ % •'(Om wL2-5--�D�mg/L 7 � <br /> 2 .� .750 m9 o. <br /> f � <br /> start a� _ -_� a ? 1.Q Q ��.�}�0-i -----+- +-----`- ---------------- a -- <br /> Organisms 24 _ �� : 100 : 10 - 1 o0 = 10 `i 00 9 _., 20 a oo _ -- <br /> surviving �� 110 100- 10 =t,.,100 9 90 sµ101004 <br /> _ -- . _ <br /> 72 9 1 a ' 1 R0 10 S 100 10 100 9 90 10 100 ------__ <br /> 9e i 10 100 10 ' 100 - <br /> 10 1 60� 99 s 90 10 100 <br /> start <br /> Dissolved ',_.24 <br /> 2 � <br /> Oxygen sww� s T <br /> 48 8.5 8.0 8.3 8.4 8.4 <br /> 72 8 4 8.1 $.4 ..s..,........$:` ..........a.......,..$=5 ...........................r.....................................------................ <br /> :...............1........................ ...'-----........•....................,,....... ............... #... <br /> 9E 8.9 8.7 8.8 8.7 8.$ <br /> start <br /> , �..,. .........................................................i...........................7„3........._, 7.9.....--.....r...........81.....,.... 41 <br /> ............,., <br /> pR 24 7.5 7.6 7.4 7.4 7.2 <br /> 48 s 7.2 7.5 7.5 7.4 7.3......... ' - <br /> p...............................{......,.........................y..............._........ ... ...F.............,........,...... .,.i............................ <br /> }..............�.......................,....,. 7.3 ( .'... <br /> 72 -.s..-.-_-_--7.2 7.6 7.4 7,3 <br /> 96 ; 7.3 i 7.5 7.5 i 7.6 J 7.4 <br /> start 19.9 19.9 20.0 20.0 20.0 <br /> 24 19.7 19.8 s 19.$. !9.8 7 9.7 <br /> Temperature • ...:...............................:........................_............,..-..._ <br /> 48 i 19.9 19.9 i 19.9 19.9 19.8 <br /> 72 i 19.9 19.9 20.0 +-----.2Q:'�.................._1 t�:9,.....-• -�--------------................-•••--........._...--------.. .----..-.-..-. <br /> -._............................ ......_......,.......... ... <br /> ............... ..20.�........... _ 20.2 s 20.1 20.1 19.9 s <br /> sc <br /> Toxicity 9511°confidence Percent survival in <br /> RESULTS ' m` <br /> TL > 750 Units L Nota icable limits of TLm Not established undiluted sample Not applicable--------- <br /> Length of fish,cm: Max....„ _3..2 Min. 2.8 Mean 1.Q "in cases where 96 hour mortality does not <br /> ................ equal or exceed 509/6 in at least one dilution <br /> Weight offish,g: Max. 0.40 Min. 0.31. M .. Mean 0.35 of the sample,no TLm value is established. <br />