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TOXICITY BIOASSAY <br />• <br />'0140-0-- <br />-11 :•'• V to'1 <br />Report To: Weck Laboratories <br />Attn: Alfredo Pierri <br />14859 East Clark Ave. <br />City of Industry, Ca 91745 <br />Sample Description: Sludqe - Sample #A002448-001 Date Collecte <br />Test Organism Pip hales Promelas <br />Aquaria Volume Iters Aquaria Depth 5.0 inches <br />Organism Characteristics Length (mm) Min 30 mm Max r <br />Dilution Water - Source Soft Water Hardness - Initial <br />Aeration Air ContFol Hardness Initial: 40 me I Final: <br />00 (d) None Given <br />Lab No. LR51562 <br />Date Received: 04/06/00 <br />Date Reported: 04/11 /00 <br />Bioassay Type <br />Static_X_ Continuous_ <br />Screening -X— Definitive <br />Source Thomas Fish Farm Acclimatization 22 Days @ 20 deg. C <br />`oncentration 10 Total Chlorine Residual N D Sample Conductivity mhos/Cm <br />Avg 33 mm Weight (gm) Min 0.61 ym Max 0.67 m Avg m <br />0 mg Final 60 mg/1 Alkalinity- Initial 30 mg Final 40 mg <br />ontrol AlkalinityInitial: 30 m Final: 35 mg Control onductivity 190 umhos/Cm <br />Bioassay <br />Conditions <br />Date <br />Time <br />Control <br />Dilution <br />750 <br />mg/l <br />500 <br />mg/l <br />250 <br />mg/l <br />750 mg/l <br />500 <br />mg/l <br />250 <br />mg/l <br />NO. <br />o <br />Ivo. <br />-6 <br />NO. <br />o <br />TDA <br />IUD- <br />No. <br />a <br />moo. <br />-TU- <br />-TII- <br />a <br />No. <br />TU -U- <br />NO. <br />%'-- <br />TUU- <br />Organi sms <br />Surviving <br />U 4 <br />U4 /. UV <br />U4U 8 <br />�- <br />I U U- <br />1UU- <br />--I-T- <br />--=- <br />TUU- <br />1 UU- <br />TUU-- <br />TUU- <br />IUD- <br />�- <br />--j-U-- <br />=D- <br />=0- <br />TU -0- <br />IUD-- <br />�- <br />�� <br />0- <br />--j-0- <br />I U- <br />TUU- <br />--=- <br />I-UU- <br />�U- <br />1U-U- <br />TO -9 -- <br />TUU - <br />04/U9 <br />U4-7'TU <br />TUU- <br />TUU- <br />I-UU- <br />--I-U- <br />-IU- <br />TUU- <br />17T- <br />-TU-- <br />IU•U- <br />TUU- <br />TU -U- <br />--I-T- <br />-TU- <br />TO -9- <br />-70- <br />�- <br />- <br />�U- <br />-TAT- <br />�U- <br />--TT- <br />IU U- <br />TUU- <br />0- <br />T70- <br />�- <br />U4/11 <br />D- <br />I-UU- <br />--TT-- <br />--TT--- <br />--i-T- <br />-TU- <br />TUU- <br />--j-U- <br />TUU- <br />D i s s o lved <br />Oxyg en <br />mg / 1 <br />14:OU�- <br />TD -OU <br />UU-3U <br />--T-Z- <br />---7-.5- <br />---779- <br />-7-. -2f <br />--7 <br />BI art <br />2�Tr <br />-T.-T- <br />--7-.T- <br />- - - - - - - - - - <br />Temp <br />-'7-07- <br />7T --C <br />-C <br />---T--3- <br />Tl ---C <br />---F-.Z- <br />---7-T- <br />7f --C <br />�-.1- <br />7I -C <br />7T=C <br />71=C <br />--T-T- <br />Tf�C <br />2T° <br />7j-0--C <br />--T-I- <br />2T -C <br />Tl' -C <br />--77. 3- <br />=-C <br />-7— <br />277C <br />71=C <br />--7--.Z- <br />2= <br />2= <br />2C <br />2T°U <br />HE <br />I- <br />21 -r -C <br />---T. T- <br />�C <br />-27f'�-C <br />-�� <br />7I�C <br />2= <br />Results - LC50- > 750 <br />> 750 <br />mg/1 <br />mg/1 <br />Observation/Remarks: An LC50 > 500mg/1 is considered Non Harzardous by <br />California Administrative Code, Title 22, 66696 <br />Method of Calculations N/A <br />95% Confidence Limits N/A <br />LC 50 Method N/A <br />Laboratory Supervisor <br />806 North Batavia - Orange, California 92868 - 714/771-6900 <br />