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Lab No. LR515ti2-02 <br />TOXICITY BIOASSAY <br />• n1 ' : M'' V to].'! <br />Report To: Weck Laboratories <br />Attn: Alfredo Pierri <br />14859 East Clark Ave. <br />City of Industry, Ca 91745 <br />Sample Description: Oil - Sample #A002448-002 Date Collected 03 <br />Test Organism <br />Pime hales Promelas <br />Aquaria Volume <br />ItersAquaria Depth J inc e� <br />Organism Characteristics <br />- Length mm) Min 30 mm Max 36 r <br />Dilution Water - Source <br />Soft Water Hardness - Initial <br />Aeration Alf <br />Control—Hardness Initial: 40 m I Final:_ <br />Date Received: 04/06/00 <br />Date Reported: 04/11 /00 <br />Bioassay Type <br />Static_X_ Continuous— <br />Screeningx Definitive <br />a) None Given <br />Source Thomas Fish Farm Acclimatization 22 Days @ 20 deg. C <br />,oncentration Total Chlorine Residual N/D Sample Conductivit �umhos/Cm <br />Avg 34 mm Weight (gm) Min 0.61 am Max 0.67 m Avg <br />0 mg Final 70 mg/1 Alkalinity - Initial 30 mg Final 45 mg <br />ontrol Alkalinity Initial: 30 m Final: 35 ma/l Conirol onductivity 190 umhos/cm <br />Bioassay <br />Conditions <br />Date <br />Time <br />U�7- <br />U 4 /.U8 <br />U4/U�) <br />U4/TQ <br />Control <br />Dilution <br />750 <br />mg/l <br />500 <br />mg/l <br />250 <br />mg/1 <br />750 <br />mg/l <br />500 mg/l <br />250 mg/l <br />- NO. <br />6 <br />moo. <br />---f0-- <br />o <br />ITYD- <br />NO. <br />s <br />TUU- <br />o. <br />o <br />TUU- <br />—No. <br />-6 <br />TUU- <br />NO. <br />o <br />TO -0- <br />TUU- <br />o. <br />o <br />TUU - <br />IU'T- <br />TUU - <br />Organisms <br />Surviving <br />TT— <br />TUU- <br />TUU- <br />--'T— <br />—LU— <br />--TU-- <br />--TU— <br />�— <br />-71-0- <br />----5-- <br />-7U- <br />--TU-- <br />TUU- <br />—TU— <br />TUU- <br />�- <br />�U- <br />---T7-- <br />--TO—Tu <br />—TU— <br />TUU- <br />— <br />---T-U— <br />TUU- <br />-5-T- <br />-J— <br />TUU- <br />IUU <br />T--- <br />--2-0- <br />-7o- <br />—iU— <br />T0� <br />TU -T- <br />3— <br />-TU- <br />-9U- <br />—I -U— <br />TUU- <br />TUU - <br />UT/1 <br />I <br />-TU- <br />-70- <br />--fU— <br />-rU7- <br />--9— <br />-9 T - <br />-U— <br />D i s s o l v e d <br />Oxygen <br />mg / 1 <br />-Z(T <br />---7-. <br />TUT. <br />UT -TJ <br />7-- <br />—7TU- <br />-�-.-5_ <br />—T <br />17UQ <br />8- <br />�4- <br />�8- <br />--77. 7 -Z <br />- <br />T . TU Sl-affff <br />q7 -T1 -r <br />---------- <br />Temp <br />2T ---C <br />—7-.,T-- <br />---TT <br />77--0 <br />--7-� <br />=--C <br />--T-.3- <br />7T --C <br />71=C <br />--T-3- <br />=-1-C <br />—T. -T- <br />=17 <br />-�� <br />270-7 <br />--T-.-5-- <br />2i� <br />�zf-- <br />�C <br />71-7C <br />7ITC <br />---T-.21- <br />==7 <br />=77 <br />TI -77 <br />---T-.-S <br />71-77 <br />:T <br />'Z <br />—7-I- <br />= <br />� <br />C <br />�i�C <br />�� <br />ZT° <br />UGT�r <br />�C <br />�"T- <br />C <br />—'TT <br />�3-°-C <br />--77. -,T-- <br />=7--C5-- <br />71-7--C <br />---F-.5- <br />7= <br />--7-.-2E-- <br />'C - <br />Results - LC50 - 612 <br />612 <br />mg/1 <br />mg/1 <br />ObservationlRemarks: An LC50 > 500mgl1 is considered Non Harzardous by <br />California Administrative Code, Title 22, 66696 <br />Method of Calculations EPA Program LC50 <br />95% Confidence Limits N/A <br />LC50 Method Moving Average <br />Laboratory Supervisor /LAk <br />806 North Batavia - Orange, California 92868 - 714/771-6900 <br />