Laserfiche WebLink
W ~'. T. Inc. <br />Acute Whole Effluent Toxicity <br />Fathead Minnow <br />Animal Age at Test Start <br />Number of Orgaoisms/Dilutioa Volume/Replicates <br />Foad <br />• <br />PERMITTEE NAME: Western Fuel Colorado SITE ID: New Horizon Mine <br />LI11 L <br />DATE: September 21, 1998 <br />OUTFACE NO: 007 <br />SAMPLE (DalelType): 9/16/98 Grab. <br />TEST (Animal/Age): Fathead Minnow, 9 days. <br />DATE/TIME TEST BEGAN: 9/17/98 12:00 p.m. DATE/I'IME TEST COMPLETED: 9/21/98 12:15 p.m. <br />TEST CONDITIONS <br />Fathead Minnow larvae were exposed to diluted effluent as specified by the permit. At the end of the test period Survival was <br />measured to determine if Acute Toxicity was present in the sample. <br />Aeration <br />DissoWed Orygeu <br />Water Replacement <br />Temperature <br />Photo Period <br />pH <br />Sincere) <br />( ZCL~`~i air-/sZ <br />Lee Rawlings <br />Water & Environmental Testing, Inc. <br />Diluliou Water <br />Receiving Water <br />Sam le Coaceotratioos <br />SUMMARY <br />Results: X Pass Fail <br />There was NO significant effect on survival. <br />Enclosed are data sheets and statistical reports. <br />Fathead Minnow, 9 days. <br />10 organisms/I50 mL/2 replicates <br />Fed before starting test and at 48 hours, newly hatched <br />brine shrimp. <br />None required. <br />Measured daily old/new. <br />Renewed daily. <br />20 + I degrees C. <br />16 hours light 8 hours dark. <br />Measured initially and at 24 hours. <br />Reconstituted water LI S% hardness of the receiving <br />water). <br />None was supplied. <br />• Enclosure <br />