Document dQ78GXjN7j34041EjbBJQxMrq

AfOT'050$ CHRONIC TOXICITY TO FRESHWATER INVERTABRATES (Daphnia magna) TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, FC116, FC-126, FC-169, orFC-143. (Octanoic acid, pentadecafluoro-, ammonium salt, CAS # 3825-26-1 ) Remarks: The 3M production lot number is 264. The test sample is FC143. It's purity was not sufficiently characterized, though current information indicates it is a mixture of 96.5 - 100% test substance and 0 3.5% C6, C7, and C9 perfluoro analogue compounds. The 3M production lot number is 264. METHOD: Method: USEPA-1982, OECD 1981. Type: Semi-Static Life-Cycle Toxicity GLP: No Year completed: 1984 Species: Daphnia magna Supplier: In-house cultures, 3M Environmental Lab, St Paul, MN Analytical monitoring: Temperature, pH and dissolved oxygen Exposure period: 21 days Statistical methods: Probit analysis (for acute toxicity values) and Moving Average Angle Method for chronic study. Statistics were recalculated by AScI Corp., Duluth, MN in 1998. NOECs and LOECs were generated using Toxstat. Reproduction was normal and homogenous therefore Dunnett's Test was used. Fisher's Test was used for survival. IC50S (reproduction) were generated using ICp program. Survival EC50S were generated using Trimmed spearman-Karber. Test organism age: < 24-hour old neonates for test initiation. Pretreatment: None Test conditions: Dilution water: Aerated carbon-filtered well water Dilution water chemistry (sampled one month prior to study initiation) hardness: 240 mg/L as C aC 03 alkalinity: 230 mg/L as C aC 03 pH: 7.8 Conductivity: 340 pmhos/cm COD: < 0 .4 mg/L Stock and test solution preparation: Information not available 003824 Renewal rate: Every two days Exposure vessels: 250-mL glass beakers containing approximately 200 mL test solution. The depth was approximately 5 cm. Beakers were covered with watch glasses Number of replicates: 4 Number of test organisms per replicate: 5 Loading: 1 daphnid per 40 mL Number of concentrations: 6 plus a blank control Feeding: A suspension of fish food (trout chow) and yeast containing 5 mg dry solids per one mL of mixture was fed on a daily basis Lighting: Cool-white fluorescent lights. Intensity ranged 50-100 ftc. Photoperiod of 16-hours light, 8-hours dark with a 20-minute transition period^ Water chemistry of new and old solutions during the study: PH and dissolved oxygen: Information not available Test temperature range ( 0 - 2 1 days): 2 2 + 2C Element basis: Survival and reproduction. RESULTS Nominal concentrations: Blank control, 5, 8, 13, 22, 36, and 60 mg/L Element value: 14-day NOEC (survival) = 60 mg/L 14-day NOEC (reproduction) = 8 mg/L 21 -day NOEC (survival) = 22 mg/L 21-day NOEC (reproduction) = 22 mg/L 14-day IC50 (reproduction) = 40 (28-48) mg/L 21-day IC50 (reproduction) = 43 (35 - 46) mg/L All element values based on mean measured concentrations Biological observations Survival: All surviving first generation daphnids appeared normal at test termination. Survival in the 36 and 60 mg/L treatments was statistically significantly different from the negative control group. Reproduction: Daphnids in the control started producing neonates on Day 7. Reproduction was statistically significantly different from the control (Dunnett's) at the 13, 22, 36, and 60 mg/L concentrations after 14-days, and in the 36 and 60 mg/L test solutions at 21-days. 003825 Summary of Percent Mortality Nominal Cone., mg/L Day 14 Day 21 Negative Control 0 0 5.0 0 5 8.0 0 20 13 0 20 22 0 20 36 0 25 60 5 --80 Reproduction after 21-days Nominal Number of Mean Live Concentration, Surviving Young / Adult mg/L Daphnids Daphnid (+ SD) Negative Control 20 165 + 13 5.0 19 145 + 29 8.0 16 138 + 52 13 16 131 + 38 22 16 130 + 11 36 15 108 + 24 60 4 36+12 CONCLUSIONS There were no adverse effects on survival or reproduction Daphnia magna exposed to the test substance at concentration <22 mg/L for 21 days. Author and/or submitter: 3M Company, Environmental Laboratory, P.O. Box 33331, St. Paul, Minnesota, 55133 DATA QUALITY Reliability: Klimisch ranking 3. Study was apparently well conducted according to the methodology available at the time of test initiation. 003826 Information was not available on test substance purity. The raw data for this study could not be located, and some key study elements could not be evaluated at this time. REFERENCES This study was conducted at the 3M Company Environmental Laboratory, St Paul, MN. Recalculation of the effect and no-effect concentrations was performed at AScI Corporation, Duluth, MN Submitter: 3M Company, Environmental Laboratory, P.O. Box 33331, St. Paul, Minnesota, 55133 OTHER Last changed: 5/25/00 003827 t ENVIRONMENTAL LABORATORY l* C 2 * S Z 3 DATA SUMMARY REPORT ON THE'TESTS FOR ACUTE & CHRONIC TOXICITY OF FLUOROCHEMICALS T0 PAPHNIA MAGNA (WATER FLEA) (9972512600) TEST SUBSTANCE Descriptions FC-lM-S WjoT Z J p 4 Additional Identifications STATIC ACUTE TEST Begins 8 / 2 . / B 4- Ends 6 / 4 / 8 J,|- D urations 1 4 0 HOLTZS Dose Range sZ S , *40, [Sy \0 D ; )L0; 2JSO, 4 0 0 ,( ^ 3 0 Temperatures ZJLC^ Resultss - 24-Hr. EC5q (95% Confidence Limits) s 41 ip - 48-Hr. EC50 (95% C.L.)s ZUk> (31- RENEWAL CHRONIC TEST Begins 8 / 7 / 8 4 Ends ^ j 3 / 8 4 Durations Z1 Dose Ranges 5)8, 13,2J2L} 3 k , U>0 Temperatures ZZ,-- \CL Resultss Young Reproduction Impairment Approximate NOEC l*> MATC (Limits)67M-M#rr(L i*i Cis>-zjO 1 4 -Day EC50 (95% C.L.) 3 5 (2i.->45) TLX -Day EC5Q (95% C.L.) 3 8 C s s ~ Chronic/Acuta Ratios Application Factors (MATC/Acute EC50) Env. Safety Factor (MATC/EEC) AdUlt8 Mortality i m a UI Ztt >yo *hcJJI 40(3\-5 Z ) 003828 * A &4-&4iM4CaI S tyifftcdstfiC . "bs-Sf U3ae>^ (b rrv te d l U4**tc\ 'P*OOS- 2 ACCEPTABILITY OF CHRONIC TEST The P maqna control population have met the following quality criteria: - Adults Mortality: ArOArE (max. 20%) - First Brood Release: y2WC5 (max. 9 days) - Cumulative No. Young per Adult (14-Day)iVZlmin. 20) - Cumulative No. Young per Adult (21-Day) tJ^Snin. 40-60) - EphippiS: A 2?/i/(none) - D.O. Saturation: ~ 6 % ( m l n . 60%) - pH Level: 8.0t02lm a x * * 5 from initial) COMMENTS Reported and Approved by: N. Date: z / y / e / 003829 TABLE I. SUMMARY OF ACUTE TOXICITY OF PC - ( 4 5 VCTr 2 ^4-________ / TO DAPHNIA MAGNA UNDER STATIC EXPOSURE CONDITIONS(1 * ------------------------------ ------ ------- CHEMICAL TREATMENT (mg/1) 24-HR. EXPOSURE MORTALITY (%) . 48--HR. EXPOSURE MORTALITY (%) CONTROL o o 40 ie3 lo o \u>o ZJ50 Hoo 0 Oo o o o o o o o 15 s 50 4o q o <\5 l o o ECc0 (95% CONFIDENCE LIMITS)(23 mg/1 ' 4l(i> ( s H-T2-) Zkle (31--50*?-) i (1) (2) n e to Data are averages of two replications for. each treatment with ten (10) daphnids per replicate. A total of twenty daphnids were used per treatment. EC5o values were calculated using logistic regression methods (Probit Analysis). ENVIRONMENTAL LABORATORY TABLE II. SUMMARY OF CHRONIC TOXICITY OF t T M 4 3 > }U T T ? Ip4 TO DAPHNIA MAGNA UNDER RENEWED STATIC EXPOSURE CONDITIONS*1* CHEMICAL TREATMENT (mg/1) 14-DAY EXPOSURE YOUNG REPRODUCTION ADULT IMPAIRMENT (ft) MORTALITY (ft) 21-DAY EXPOSURE YOUNG REPRODUCTION ADULT IMPAIRMENT (ft) MORTALITY (ft; CONTROL 5 8 13 ZJL 3U> Ip0 OO o 14" O \7L> Zip O' Up 3P O Z\ 36 O 2J 41 O 35 t>8 5 18 EC-0 (95% CONFIDENCE LIMITS)*23 3 , 0 mg/1 3 5 ( z J e - 4 5 y s> >1*0 HjqkisttesVconcent 40 38 O 5 zo 2X> ZS> ZS 80 4Z-C3+-SU) M o (31 - S O e: Data are averages of four replications for each treatment with five (5) daphnids per replicate Q total of twenty daphnids were used per treatment. C4 EC50 values wer calculated using logistic regression methods (Probit Analysis). A values calculated usm^ Moving A*ierocp- Hc4Vvod. You wft_'r^w^oEucnowi ( V nuumoe. kWoeep* TEST ^UBSTAWCfe-J & r J ^ S M T sP J ^ --- TESrborzJZ/Y/frV--%/&/, S a ^ lo W 3^^^'Pr^ kC>'^ fe<r""Tt+ llv-h ... 32.Z. 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S T 5= 164 \9 i^ o . o o i 'S 4 9 .4 HS.> 5 3 .2 3 1 .2 4 10 O .O O S iO *2 J B .4 M - 8 i (p 3b,e see 0 .0 0 1 3 ^ 5 to 4 Ip 5 1 1o4 su to 2 to to i 0,00'1P> * 334 SQlp 343 5 2 3 dr I3 0 O .O I4 -I ^ 121.S 1 3 5 -4 143 II1 .5 S (3 0 H 0 ,0 0 9 2 *1 4 0 5 n q .2 1 1 0 .4 I2 J .5 I0 8 2 H 0 ,O I3 \* x " - S> C = 1 IO S lo i lis 73 ' 1 0 .0 0 o c * ' -i SI 2 .0 2 0 .2 . 23S 0 ,0 0 0 1 ^ IIS 2o2_I5 0 2 4 ,3 5 3 2 .4 3 1 ,3" 154 155 i3 t o o .o o o r*' ' 3 4 .2 -1 C 03S 33 c 5 t o -- 12. O .o o n n * MTE/RRR ENVIRONMENTAL LABORATORY 1-3-84 SUMMARY OF EXPERIMENTAL DESIGN AND CONDITIONS FOR CONDUCTING RENEWAL CHRONIC EFFECTS TESTS WITH DAPHNIDS Project: Fate of Fluorochemicals - Phase II (9972512600) Exposure: Type - renewal static Renewal frequency - every 2 days Duration - 14-21 days Test Species: Daphnia magna or Paphnia pulex (use of D. magna is preferred) - Age of test animals - 12+12 hrs instars (neonates) - No. animals/beaker - 5 - No. of replicate test beakers per concentration - 4 - Total No. animals per concentration - 20 Test Vessel: 250 ml glass beaker (Pyrex) covered with a watch glass Test Solution Volume: 200 ml Loading Ratio: One animal per 40 ml Dilution Water Supply: Aerated carbon-filtered well water (Bldg. 2) of consistent chemical quality. Water hardness classification: hard (hardness ^ 250 mg/L as CaCO^). Untreated Controls: 100% well water Toxicant Dose Range: Minimum of five logarithmic concentrations (by weight) Test Conditions: Temperature - 22j*2C (68-75F) Light Quality - Type - ambient laboratory light (cool-white fluorescent) . - Intensity - ambient lab levels (50-100 fc) - Photoperiod - 16 hrs light; 20 minutes transition period Aeration During Test - None 000834 Food and Feeding Regime: A suspension of fish food (trout chow) and yeast (Fleischmann's) containing 5 mg dry solids per one ml of mixture, on a daily basis. Measurements and Observations: Effects (noted daily and recorded on renewal days) - No. young, live and dead; brood size, and no. broods - No. dead adults - Immobility, presence of unhatched eggs or ephippia, and other signs of stress Water Quality (of dilution water and of replicates of old test solutions made on renewal days) - Physical: temperature, D.O., and pH - Chemical: analytical measurements of toxicant concentrations in initial stock and in old test solutions (optional) Validity of Test: * The control population of D. maqna should meet the following requirements: - Mortality of adults - maximum 20% - First brood release - maximum 9 days - No. young per adult (14 days) - minimum 20 - No. young per adult after 21 days - minimum 60 - Ephippia - none - D.O. saturation - minimum 60% throughout the test - pH - maximum +0.5 units from initial Treatments of Results: 48-Hr Acute Test - 24-hr ECgg - 48-hr ECgg with 95% confidence limits 14-21 Day Chronic Test&^ - Approximate no observed effects concentration "NOEC" - 14- and/or 21-day EC5Q with 95% confidence limits - Maximum acceptable toxicant concentration "MATC" - Chronic/acute ratios - Dose/response curve based on cumulative mortality of adults - Safety factor 003835 References : - USEPA-1982. Env. Effects Test Guidelines. EPA560/6-82-002 - OECD-1981. Guidelines for Testing of Chemicals - ASTM-(latest drafts, 1983). Proposed Standard Practice for Conducting Renewal Chronic Effects Tests with Daphnids *Final results are calculated from mean values of cumulative no. young per adult, or cumulative mortality of adults. Definitions ; Daphnia Chronic Toxicity Test - A 14-21 day experimental study of the survival, growth and reproduction of asexually reproducing Daphnia beginning with- 12+12 hr old organism. Significant - "Statistically significantly different" refers to p<0.05 with respect to the control. Approximate NOEC - The highest test concentration that will produce no significant observed effect on reproduction of young or adult survival. * Chronic EC5Q(s) - The values of toxicant concentrations which impair reproduction of young or induce adult mortality by 50%. MATC - The highest concentration of toxicant that has no adverse effect on survival, growth, and reproduction of a species. GM-MATC is the calculated geometric mean between the highest test concentration having no significant effect and the lowest test concentration having a significant effect. Application Factor (AF) - The quotient of the chronic MATC divided by the acute 48-hr EC5q (MATC/Acute EC^g). "AF" is a number used to estimate concentration of toxicant that will not cause significant effect to a population during chronic exposure. Environmental Safety Factor - The ratio of the chronic MATC with the expected environmental concentration (MATC/EECf. Safety factors >20 at the predicted exposure level are desirable to have sufficient confidence in the environmental safety assessment. 003836 8-23-84 ENVIRONMENTAL LABORATORY PINAL REPORT LAB REQUEST NO. B2055 REQUESTER NAME: RRR DEPT: 0222 PROJECT NO: 06 DATE RECEIVED: 8-16-84 DESCS JUNE CARBON-FILTERED NELL RATER CONTRACT LAB: CONTRACT LAB COST: 0 3M E-L HOURS: 3 EST CMPLT DATE: 8-24-84 DATE COMPLETED: 8-24-84 SAMPLE DATE CODE DESCRIPTION TEST RESULT 1 7-06-84 RM #4 2 DI HATER PH RES-CL COND TOT-HARD TOT-ALK TS NH3-N SOL-F COD-LOW TQT-COLIF SPC PB RES-CL COND SPC 7.8 <0.02 MG/L 340 UMBOS/CM 240 MG/L 230 MG/L 270 MG/L <0.4 MG/L 0.2 MG/L <0.4 MG/L NEGATIVE 54 PER ML 6.6 \ <0.02 MG/L 1.8 UMHOS/CM 14 PER ML * * CONTRACT LAB APPROVED AND SUBMITTED BY dated y I G 03837 August 10, 1998 4444 Airpark Boulevard, Duluth, Minnesota 55811 1218) 722-4040 Fax (218) 722-2592 Ms. Susan Beach 3M Environmental Technology and Safety Services 935 Bush Avenue Building 2-3E-09 PO Box 33331 St. Paul, MN 55133-3331 Dear Sue: FC-143 Daphnia magna reproduction data for concentrations above the survival NOEC were not included during hypothesis testing for the reproduction NOEC and LOEC. EPA guidance stipulates that concentrations which significantly effect survival should not be included in hypothesis testing for reproduction. The exclusion of such concentrations usually results in a more powerful and appropriate statistical analysis. Joe Dierkes Biologist, AScI 003838 Title: FC-143 DAPHNIA MAGNA 21 DAY REPRODUCTION File: fc21d Transform: ANOVA Table NO TRANSFORMATION SOURCE Between DF SS MS F 4 115876.3000 28969.0750 1.0871 Within (Error) 15 399732.5000 26648.8333 Total 19 515608.8000 (p-value = 0.3980) Critical F = 4 . 8 9 3 2 (alpha = 0.01, df = 4,15) = 3.0556 (alpha = 0.05, df = 4,15) Since F < Critical F FAIL TO REJECT Ho: All equal (alpha = 0.05) Press any key to continue or ESC to return to m e n u . .. Title: FC-143 DAPHNIA MAGNA 21 DAY REPRODUCTION File: fc21d Transform: NO TRANSFORMATION Dunnett's Test - TABLE 1 OF 2 H o :Control Treatment GROUP IDENTIFICATION TRANSFORMED MEAN MEAN CALCULATED IN ORIGINAL UNITS T STAT 1 CONTROL 825.7500 825.7500 2 5 MG/L 722.5000 722.5000 0.8945 3 8 MG/L 647.7500 647.7500 1.5420 4 13 MG/L 630.5000 630.5000 .1.6915 5 22 MG/L 625.5000 625.5000 1.7348 Dunnett critical value = 2. 3600 (1 Tailed, alpha = 0.05, df = 4,15) Press any key to continue... Title: FC-143 DAPHNIA MAGNA 21 DAY REPRODUCTION File: fc21d Transform: NO TRANSFORMATION Dunnett's Test - TABLE 2 OF 2 Ho:Control<Treatment GROUP IDENTIFICATION NUM OF REPS MIN SIG DIFF % OF DIFFERENCE (IN ORIG. UNITS) CONTROL FROM CONTROL 1 CONTROL 4 2 5 MG/L' 4 272.4182 33.0 103.2500 3 8 MG/L 4 272.4182 33.0 178.0000 4 13 MG/L 4 272.4182 33.0 195.2500 5 22 MG/L 4 272.4182 33.0 200.2500 Press any key to continue or ESC to return to m e n u . .. 003840 Title: FC-143 DAPHNIA MAGNA 21 DAY REPRODUCTION File: fc21d Transform: Shapiro - Wilk's Test for Normality D = 399732.5000 W = 0.9767 Critical W = 0.8680 (alpha = 0.01 , N = 20) W = 0.9050 (alpha = 0 . 0 5 , N = 20) NO TRANSFORMATION Data PASS normality test (alpha = 0.01). Continue analysis. M iir/>ro AJOct Press any key to continue or ESC to return to m e n u . .. Title: FC-143 DAPHNIA MAGNA 21 DAY REPRODUCTION File: fc21d Transform: NO TRANSFORMATION Bartlett's Test for Homogeneity of Variance Calculated Bl statistic = 6.7904 (p-value = 0.1474) Data PASS Bl homogeneity test at 0.01 level. Continue analysis. Critical B = 13.2767 (alpha = 0.01, df = 9.4877 (alpha = 0.05, df 4) 4) Press any key to continue or ESC to return to menu... 003841 Title: FC-143 DAPHNIA MAGNA 14 DAY REPRODUCTION File: FC14D Transform: NO TRANSFORMATION Dunnett's Test - TABLE 1 OF 2 H o :ControlcTreatment GROUP IDENTIFICATION TRANSFORMED MEAN MEAN CALCULATED IN SIG ORIGINAL UNITS T STAT 0.05 1 CONTROL 359.2500 359.2500 2 5 MG/L 311.2500 311.2500 1.0073 3 8 MG/L 264.7500 264.7500 1.9830 4 13 MG/L 228.5000 228.5000 2.7437 * 5 22 MG/L 224.2500 224.2500 2.8329 * 6 36 MG/L 191.2500 191.2500 3.5254 * 7 60 MG/L 115.2500 115.2500 5.1203 * Dunnett critical value = 2. 4600 _ (1 Tailed, alpha = 0.05, df [used] = 6 ,20) -> (Actual df = 6 ,21) Press any key to continue... Title : FC-143 DAPHNIA MAGNA 14 DAY REPRODUCTION File : FC14D Transform: NO TRANSFORMATION Dunnett's Test - TABLE 2 OF 2 Ho :ControlcTreatment GROUP IDENTIFICATION NUM OF REPS MIN SIG DIFF % OF DIFFERENCE (IN ORIG. UNITS) CONTROL FROM CONTROL 1 CONTROL 4 2 5 MG/L 4 117.2286 32.6 48.0000 3 8 MG/L 4 117.2286 32.6 94.5000 4 13 MG/L 4 117.2286 32.6 130.7500 5 22 MG/L 4 117.2286 32.6 135.0000 6 36 MG/L 4 117.2286 32.6 168.0000 7 60 MG/L 4 117.2286 32.6 244.0000 Press any key to continue or ESC to retu 003842 Title: FC-143 DAPHNIA MAGNA 14 DAY REPRODUCTION File: FC14D Transform: ANOVA Table NO TRANSFORMATION SOURCE Between Within (Error) DF 6 21 SS 152796.3571 95377.5000 MS 25466.0595 4541.7857 F 5.6071 Total 27 248173.8571 (p-value = 0.0013) Critical F = 3.8117 (alpha = 0.01, df = 6,21) = 2.5727 (alpha = 0.05, df = 6,21) Since F > Critical F REJECT Ho: All equal (alpha = 0.05) Press any key to continue or ESC to return to menu. .. C03843 Title: FC-143 DAPHNIA MAGNA 14 DAY REPRODUCTION File: FC14D Transform: Shapiro - Wilk's Test for Normality D = 95377.5000 W = 0.9434 Critical W = 0.8960 (alpha = 0.01 , N = 28) W = 0.9240 (alpha = 0.05 , N = 28) NO TRANSFORMATION Data PASS normality test (alpha = 0.01). Continue analysis. AJ00L Press any key to continue or ESC to return to m e n u . .. Title: FC-143 DAPHNIA MAGNA 14 DAY REPRODUCTION File: FC14D Transform: NO TRANSFORMATION Bartlett's Test for Homogeneity of Variance Calculated B1 statistic = 10.3740 (p-value = 0.1098) Data PASS B1 homogeneity test at 0.01 level. Continue analysis. Critical B = 16.8119 (alpha = 12.5916 (alpha 0.01, df 0.05, df 6) 6) Press any key to continue or ESC to return to m e n u . .. GROUP 1 2 3 4 5 6 Summary of Fisher's Exact Tests /O*. IDENTIFICATION NUMBER EXPOSED NUMBER DEAD CONTROL 5 MG/L 8 MG/L 13 MG/L 22 MG/L 36 MG/L 60 MG/L 20 20 20 20 20 20 20 0 1 4 4 4 5 16 SIG 0.05 * * Press any key to continue.. \ ^/c'f G 03845 GROUP 1 2 3 4 5 6 m Summary of Fisher's Exact Tests IDENTIFICATION NUMBER EXPOSED NUMBER DEAD CONTROL 5 mg/1 8 mg/1 13 mg/1 22 mg/1 36 mg/1 60 mg/1 20 20 20 20 20 20 20 0 0 0 0 0 0 1 ,0 g l Press any key to continue... 003846 ENTER THE NUMBER OF MORTALITIES AT EACH CONCENTRATION: 5 20 20 20 25 80 WOULD YOU LIKE THE AUTOMATIC TRIM CALCULATION (Y/N) ? Y DATE: 8/7/1984 CHEMICAL: FC-143 TEST NUMBER: 1 DURATION: 21 DAYS SPECIES: D.MAGNA RAW DATA: CONCENTRATION(MG/L) NUMBER EXPOSED: MORTALITIES: SPEARMAN-KARBER TRIM: 5.00 100 5 . 8.00 13.00 100 100 20 20 20.00% 22.00 100 20 36.00 100 25 60.00 100 80 SPEARMAN-KARBER ESTIMATES: EC50 95% LOWER CONFIDENCE 95% UPPER CONFIDENCE 44.57 40.88 48.60 WOULD YOU LIKE TO HAVE A COPY SENT TO THE PRINTER (Y/N) ? I 's/ 4 Z&rv/Vtil 003847 Toxicant/Effluent: FC-143 Test Start Date: 8/7/1984 Test Ending Date: Test Species: D.MAGNA Test Duration: 14 DAY DATA FILE: 8/21/198 Cone ID Number Replicates Concentration MG/L Response Means Std. Dev. Pooled Response Me; 14 24 34 44 54 64 74 0.000 5.000 8.000 13.000 22.000 36.000 60.000 359.250 311.250 264.750 228.500 224.250 191.250 115.250 30.739 45.959 107.952 111.075 48.072 41.548 26.588 359.250 311.250 264.750 228.500 224.250 191.250 115.250 The :Linear Interpolation Estimate: 39.6711 Entered P Value: 50 Number of Resamplings: 80 80 Resamples Generated The ]Bootstrap Estimates Mean: 39.1710 Standard Deviation: 6.7021 Original Confidence Limits: Lower: 27.6757 Upper: 48 .1897 Expanded Confidence Limits: Lower: 20.4784 Upper: 53 .3009 Resampling time in Seconds: 1.32 Random Seed: -309057854 Press Any Key to Continue /Cp Toxicant/Effluent : FC-143 Test Start Date: 8/7/1984 Test Ending Date: Test Species : D .MAGNA Test Duration: 21 DAY DATA FILE: 8/28/84 /Ytf PlA Cone ID Number Replicates Concentration MG/L Response Means Std. Dev. Pooled Response Me. 14 24 34 44 54 64 74 0.000 5.000 8.000 13.000 22.000 36.000 60.000 825.750 722.500 647.750 630.500 625.500 523.000 155.250 65.383 143.412 242.861 212.111 66.556 129.956 35.753 825.750 722.500 647.750 630.500 625.500 523.000 155.250 The Linear Interpolation Estimate : 43.1869 Entered P Value: 50 Number of Resamplings: 80 80 Resamples Generated The Boot s t r a p 'Estimates Mean: 42.7226 Standard Deviation: 2.9224 Original Confidence Limits: Lower: 35.0020 Upper: 46.3442 Expanded Confidence Limits: Lower: 30.0910 Upper: 48.2386 Resampling time in Seconds: 1.26 Random_Seed: -523848694 Press Any Key to Continue C 03S 48