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BLOCK ENVIRONMENTAL SERVICES <br /> Laboratory Division <br /> 24"E-iMnC way " <br /> Date* Mcamber 29, 1995 Pfectamm aCa 94523 <br /> (61U)WO-3215 FAX 606-0399 w <br /> To. Ms. Robin Byarc <br /> American Environmental Network <br /> 3440 Vincent Road <br /> Pleasant Hill CA, 94523 <br /> )Yom Prepared by <br /> Phyllis Riboni <br /> Chronic and Acute Critical Ufe Stage Testing Specialist <br /> Rcvicwcd by <br /> Julianne C Fegley <br /> Laboratory Coordinator <br /> Subject Aquatic Toxicity Testing Results for Static, Percent Survival Test <br /> P O.#749 <br /> SAMPLE MATRIX AND I.D.: One water (EFF) sample #14130 Project No. <br /> 9512155. <br /> TREATMENT DILUTIONS (%): 100 and Control. run in duplicate usin; carbon filtered tap <br /> water with 10 fish/S L tank and 20 fish/trcatrncnt <br /> TESTING PERIOD: Received 12f13/95 <br /> Tested 12/14/95 - 12/18/95 <br /> BIOASSAY TFST(S): Fathead minnow (Pmzcphales prvmelas) 96-hour Static Percent Surnval <br /> Test <br /> METHODS: Methods for Measuring the Acutc Toxicity of Effluents to Freshwater and <br /> Marine Organisms, third and fourth editions (EPA/6DO/4-85/013, EPA.1600/4-90/027) <br /> S UNLMARY. <br /> Fathead minnow 96-hour percent survival in the Control was 100% <br /> Fathead minnow 96-hour percent survival in the 100% test concentration was 9070 <br /> The transcribed data beets and chain-of-custody for this test arc enclosed If you have any <br /> questions concerning this report please contact Phyllis Riboru, Chronic and Acute Critical <br /> Lzfc Stage Tcsting Specialist, at the lab (510) 68&-3215 <br /> i <br /> i <br /> fires[.+R src <br />