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BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredtoas PFOS, FC-95, oras a component ofFC-206C and L-5439. (1-Octanesulfoniacdid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafploutoarsos-i,um salt,CAS # 2795-39-3) Remarks: The 3M productionlotnumber was 501.The testsample is referredtoas L-5439 and FC-206C. Currentinformationindicatesitisa mixtureof0.73% PFOS, 76.09% water,15% diethyleneglycolbutylether, 4% urea,1.55% sodium octylsulfate1,.47% hydroxyfoamer,1.05% polyoxyethylenemonooctylphenylether,0.06% sodium laurylsulfatea,nd 0.05% benzotriazole. The followingisan abbreviated summary of multiplebiodegradation studies on FC-206C. These studies apply to the testsample as a mixture with incompletely charactedzed concentradon of impurities. Data does not accurately reflectthe biodegradadon potentialof the tluorochemical component of the testsample.. METHOD: Methods: Variousmethods. Most notspecified. Type: BOD (Carbonaceous and Total) GLP: No Year completed: 1981-1982 Contact time:20 days Inoculum: Stalesewage from 3M's CottageGrove faciliatnyd seed from varioussources. RESULTS Chemical Oxygen Demand: 360,000 - 450,000 mg/kg TotalBiochemicalOxygen Demand (BOD): 5-Day: 1O-Day: 12-Day: 20-Day: 28,000 - 279,300 mg/kg 180,000- 340,700 nig/kg 300,000 nig/kg 240,000 - 416,500 mg/kg Carbonaceous-BiochemicalOxygen Demand 5-Day: 1O-Day: 12-Day: 20-Day: (C-BOD): 120,000 - 251,800 mg/kg 270,700 - 320,000 mg/kg 330,000 mg/kg 340,000 - 411,000 mg/kg CONCLUSIONS No reliablceonclusionscan be derivedfrom thisstudy.The indicatioins thatthe majorityofthe productcomponents are readilybiodegradable. Submifter: 3M Company, EnvironmentalLaboratory,P.O. Box 33331, St.Paul,Minnesota,55133 DATA QUALITY ReliabilitKyJ:imischranking3. Study lacksdescriptioannd recordsofthe method followed.The inoculumisnotproperlycharacterized.The testing was conducted on a mixturewithchemicalshavingvaryingdegrees of biodegradabilitlye,adingtopotentiamlisinterpretatioofnthe results.The studieslackinformationon the purityofthetestsubstance and lack analyticamleasurements oftheconcentrationoffluorochemical proportion. REFERENCES Testwas conducted by multiplevendors attherequestofthe 3M Company, 3M EnvironmentalLab, St.Paul,MN, Lab Request Numbers 6812S, 7625, 7736, 7737, 7738, and 7903. OTHER Lastchanged: 6/26/00 mq/kq 700, -L-IL-F 7-, 7 IU X JU PER INCH -Apt TOTAL. So CARBO CE-OUS BIOCH MICAL OXYGEN DEMAND (BOD) TT ny 6oo,m -------------------------------------------------------- +IfIi1-i-i11-I1'@4:F-F -----------------------------------------------------------------+--H-+H -------- ------------------ -'--I-FTT-F-T-- ----- ------------------ --- L ----------- - ------------- 500P ---- -- ------------------+-H-+-H-44-- ---------- ------- ---------------- -------------------------------------------------------------- ------ -- ----- 1 ----------------- - ..... ----------- ---- -- -- ---- --------------------- - --------------------- - ---- -- ------- ----------------- 4oo, ------ - - - -- - -- -- ------- ----------- --- ----L -------- ------- ------------------- 300, %21 1 1 tT- fT-F 4,T- P-0OP0O -H4 -- 200, I'Id IT$ 09 4-- iiLL loo, 0 BOD5 BODIO BOD2 lLil,tAL LIADUM I Un i @--Sample Descri tion: L-5439 Lot-501,CC8]4-28 ULTIMATE BOD RESULTS- BOD5 calculated by two rrethods BODIO Protocol reference: EAR 2/29/8o Conc. of sample in BOD Dilution bottles: 3.Y mg7L -216X mg 2Pt2 ea 3 iz -@O7L - Average value izoooc (Rounded to 2 sig-.-fTg-s7. L@64 6E .3 r 9 /oz -,w 9 9 ALO 1-7 JZ@LP /Z - 04A .5 Conc. of glucose glutam!c-a-c-l-rdeterence solution in-SW dilution bottles: 3.0 ml/300 mi- Zog 5,0 7,0 Z03 -3 Average-value 200 (Rounded tii-s2-19. figs.-) 1 MO mg 3 Ill. mg/Fg- 31 31q. ff 3 ,- 3zp,-X. 0 -27 TZ s@ IDATE a A /k4 30,oix iL NUE., Formula #4 :o e d the @duldee] lotion_qf tl?enon eede d lu:f ter blanks, a seed contro ditu --on eo cal ulaattee the s ed cdrrec n va ue, Formula ses t a se ed ditutioli %iat blark@s to alcu ate t a see corr.cltkiot a compensate for an DO letlon ca@sed th!_Ld Jut n wa er, Ni.TRIFI IT 3M ENVIRONMENTAL LABORATORY Sample DescriPtion. .ULTIMATE 600 RESULTS- calculated by two rr4thods 0 L-5439o-L-ot-501.CC814-28 BOD5 Protocol reference: ko EAR 2/29/80 SW 10 C.o..n.co.,f sample In BOD 3 Dilution bottles: Mg/L 7 15@ OCO mg ?7100 lea&* 776001 9 .1.3..@.@..@.. '..n.g.....9 IV4001 1 74 -loc ro4WD of -34 1320A 324A :o Average value - S14DIm-fiESLKLi @@nn2L4tVL7.S 2 ---(R-ounded to Z sig. f I#i-.- VALUC.S INCWDE 0 ItJA mgfk-g31i.owd R@A z It 32OX0 314,wo 3Z!@o7t 3 3 .9 Conc. of glucose @ glu- tamic a c 13 -r-oTe-re-nc a 2.--solution In BOD diluti2o bottles: 3.0 M11300 mi 500 of 7-0 so 2 15' 13 Average value - ?.Z 0 :4 (Roundog-t-o-T-sig.-f-igsoj is 2;Lo _Ziq Zql n2niL/qio @L@e 2 o Z30 .2130 tiroo NOTET Fermult 94 ;eed contr orrac difu I otion f i0 cal ulate.the s ed c eedel dilu ton witer b rect on va ue, r :-.@-: Formula#5 ses ttt,aeimss!eee4d1!ed d I wate bia 3 to calcu ate t a seel-corr@c compensate or anr'Do deplet on ca sed b t o I on wa,er* !3 06/19/2000 ENVIRONMENTAL LABORATORY ARCHIVED FINAL REPORT LAB REQUEST NO. 7625 REQUESTOR NAME: EAR DEPARTMENT: 0535 PROJECT NO: 9970012600 DATE RECEIVED: 01/13/1982 DESC: FC-203C & FC-206C CONTRACT LAB(S): EXP COMP DATE: 03/10/1982 DATE COMPLETED: 03/16/1982 PROJECT LEAD: PHONE NO: 3M FAX NO: 651-778-6176 THESE ARE PROPOSED MIL-SPEC AFFF MATERIALS. PLEASE LET ME REVIEW COPIES OF WORK SHEETS -------------------------------------------------------------------------------- SAMPLE DATE CODE DESCRIPTION RESULT MDL or (95% G.J.) -------------------------------------------------------------------------------- I FC206C L-6518 BOD-05 BOD-10 BOD-20 COD-RFX FOAM-POT 2 BOD-05 BOD-10 BOD-20 COD-RFX FOAM-POT 3 C-BOD-05 C-BOD-10 C-BOD-20 COD-RFX 4 C-BOD-05 C-BOD-10 C-BOD-20 COD-RFX BOD-05 BOD-10 BOD-20 COD (DICHROMATE REFLUX) FOAMING POTENTIAL FC203C L-6519 BOD-05 BOD-10 BOD-20 COD (DICHROMATE REFLUX) FOAMING POTENTIAL DUP 1 BOD-05 (CARBONACEOUS) BOD-10 (CARBONACEOUS) BOD-20 (CARBONACEOUS) COD (DICHROMATE REFLUX) DUP 2 BOD-05 (CARBONACEOUS) BOD-10 (CARBONACEOUS) BOD-20 (CARBONACEOUS) COD (DICHROMATE REFLUX) 28000 MG/KG 180000 MG/KG 290000 MG/KG 380000 MG/KG SEE ATTACHED REPORT 56000 MG/KG 450000 MG/KG 580000 MG/KG 730000 MG/KG SEE ATTACHED REPORT 25000 MG/KG 120000 MG/KG 290000 MG/KG 360000 MG/KG 49000 MG/KG 300000 MG/KG 600000 MG/KG 740000 MG/KG 5-04-02 ENVIRONMENTAL LABORATORY FINAL REPORT LAS REQUEST NO. 7903., EQUESTER NAME: EAR' EPT: 0535 ROJECT NO: 9970012600 XTE RECEIVED: 3-31-82 ESC: FC 206C FC-203C NIL SPEC TESTINT CONTRACT LAB: GAL CONTRACT LAB COST: 368 3H E-L HOURS: 0 EST CMPLT DATE: 4-26-82 DATE COMPLETED: 5-03-82 HE PURPOSE OF THIS REQUEST IS TO TEST OUR EXPECTATION THAT THE CAUSE OF ALBRAITH.LAB'PS HIGH BUD 20/COP RESULTS IS NITRIFICATION CAUSED BY THEIR BOD EED ------------------------------------------------------------------------------- SAMPLE DATE CODE DESCRIPTION TEST RESULT ---------------------------------------------------------------------------- 1 1-08-82. LT 501 FC-203C *BOD 05 *BOD 10 *BDD 20 *C-BOD 05 *C-BOD 10 *C-BOD 20 *COD-RFX 51900ONG/KG 52070ONG/KG 615750MG/KG 253700MG/KG 557300MG/KG 67100ONG/KG 77645ONG/KG 2 1-08-82 LT 502 FC-206C *BOD 05 *BCD 10 *BCD 20 *C-BOD 05 *C-BOD 10 *C-BOD 20 *COD-RFX 27930ONG/KG 340700MG/KG 416500MG/KG 123700MGIKG 27670ONG/KG 411000MG/KG 40725ONG/KG 3 #1 KNOX SEED *BOD 05 512800MG/KG *BDD 10 - 57830ONG/KG *BOD 20 670000MG/KG *C-BOD 05 35760ONG/kG *C-BOD 10 52370ONG/KG Ir C - 'L07,,C, *C-BOD 20 64100ONG/KG 4 #2 KNOX SEED *BOD 05 24770ONG/KG *HOD 20 395SOONG/KG *C-BOD 05 251800MG/KG *C-BOD 10 31050ONG/KG *C-BOD 20 374000MG/KG *BaD 10 32250ONG/KC CONTRACT LAB APPROVED AND SUBMITTED BY DATED . P@0..BOX 4187,2323SYCAMORE Doi,'KNOVXILLE.TENNESS.EE3-7921.616546.1@@ Irl A I Wr%.lcV-.ANALYSI's Mr@ David SOely 3M'E'h@i'rb'n'mentaElng. Po'it,.OfficBeo)(33331 Pollution Control nnes'ota 55101. priI-,26, 1989 Re c.e. ved :-'AOri1.-'I*t; Y. Analysis of your compounds Your# Our# gave the.f6ilowing'resu ts.,,. Analysis, WC-5045 Cob 776 450.* 16@hg Se@d A Cdei-ived from's &.W Laborat6ries')'.-.@@. 0-.-0 eA 2 WC-5046 5 Day BOD-. 10 Day BOD ... 20 Day EIOD Carbonaceous ROD.'5 Carbonaceotis E[O-D.l:'O- C'arbonaceous, ROD 20 60- 79 Se6d El Cf Knox4ille".--.,aT.,- 5 NY [IOD. 20 Carbcinacoou& 90D 5". Carb6n@c@6U@ -80D 10 Carbbna@eous B D 20 COD -519,000 mg 520, .615 150 253,7O.Q itpigd -557,300.:'iii 6711000 512' - 67ai 357,-600;mg- 641 mg 407 250:m( $ee d A (-d@r.vie'd rom - -&,W -Larib 5 Day 10 Da OD 20 Day. 8 D., CarbonaceojU's BOD 5:, CarbonAced@s"BOD@ Carbonaceous aOD @20 27,q -00: 3 700 _m:w P.0. BOX 4187,2323IY04MOPISOM..XN.OX cEll TIFICA Ci-4 :Mr Davi 1 S-eel'y' Pae 2 Apri 1 26 1982 Your# our*,' Anal@sis@- C..;5046 Se'6d- e, n nt-) 10: Day.WD' 20 Day Carbon4ce6ii CarbonacebUs BOD 10 Carbohaceous BOD 20 24.@'9700 mgirkg-' 322'500 t@glko 395 500 ing/kg .-251,800 mglkg... 310,500 i@g/k 374,000 mg /kg, Vurs,: L PA.ITK,.LABORATORItS GRR:yd k 4-05-82 ENVIRONMENTAL LABORATORY FINAL LAB REQUEST NO. EQUESTER NAME: EAR EPT: 0535 ROJECT NO: 9960012'600 ATE RECEIVED: 2-16-82 ESC: FC-206-C AND FC-203C NIL SPEC TESTING EE ALSO LRS 7625 7736 7738 7737 REPORT CONTRACT LAB: SERCO CONTRICT LAB COST: 860 3H E-L HOURS: 0 EST CMPLT DATE: 4-06-82 DATE COMPLETED: 4-01-82 ------------------------------------------------------------------------------- SAMPLE DATE CODE DESCRIPTION TEST -------------------------------------------------------------R-E-SU-L-T------------ I FC203C LOT501 L6519 *B[)D 05 130000MG/L *BOD 10 37000ONG/L *BOD 20 44000ONG/L *COD-RFX 73700ONG/L 2 FC206C LOT502 L6518 *BOD 05 71000M,G/L *BOD.10 190000MG/L *BOD 20 24000ONG/L *COD-RFX 37000ONG/L 3 Ft-780 LOT 501 *BOD 05 4800ONG/L *BOD 10 160000 NG/L *BOD 20 21000ONG/L *COD-RFX 28700ONG/L 4 FC203C #1 INHIBITED *BOD 05 5800ONG/L *BQD 10 14000ONG/L *BOD 20 44000ONG/L 5 FC206C #2 INHIBITED *BOD 05 2800ONG/L *BOD 10 6500ONCIL- *BOD 20 260000MG/L 6 FC-780 #3 INHIBITED *BDD 05 2100ONG/L *BUD 10 5100ONG/L *BUD 20 220000-NG/L CONTRACT LAB APPROVED AND SUBMITTED BY DATED SE@CO 1931 Wftt County Road C2 Ronville, Minnesota 55113 1612) 636-7173 LABORATORY 3M Company Bldg. 2-39-09 P.O. Box St. Paul XN 55133 Mr. Keith Hoffmann Lab Coordinator 33331 ANALYSIS REPORT NO: 263 03/18/82 PAGE I DATE COLLECTED: DATE RECEIVED: COLLECTED BY: PICKED UP BY: SAMPLE TYPE: 02/16/82 CLIBIT, CLIENT PRODUCT SAMPLE 'MCO SAXMB 10: 749 750 751 SAMPLE DESCRIPTMN:: 'ANALYSIS,. -----------------------------------------7--7--37---1-- 7737-2 7737-3 BOD, 5-day, mg/L -------- BOD, io-day. mg/L 130000 71000 -4-8-0-00---- BOD, 20-day, mg/L 370000 190000 160000 BOb, carbonaaeous, mg/L ..55 440000 CY240000 73210000 BOD, 10-day carbonaceous, mg/L 58000 28000 21000 140000 65000 51000 BOD, 20-day earbonaceous, ag/L COD, Chemical Oxygen Demand, ag/L -57 440000 .7260000 .7;220000 737000 370000 287000 All analyses were performed %isingEPA or other recognized methodologies. Repo submitted b ;po Richa rd R. Dahl Project Nanager < means "not detected at this level" SANITARY ENGINEERING LABORATORIES, INC. 4-26-82 ENVIRON14ENTAL LABORATORY FINXL REPORT LAB REQUEST NO. 7138 QUESTER NAME: EAR PT: 0535 OJECT NO: 9960012600 TE RECEIVED: 2-23-82 SC: FC-206C AND FC 203C NIL SPEC TESTING CONTRACT LAB<C;AP@!@ CONTRACT LAB 450 3M E-L HOURS: 0 EST CMPLT DATE: 4-16-82 DATE COMPLETED: 4-23-82 E ALSO LRS 7625 7736 7737 ------------------------------------------------------------------------------ SAMPLE DATE CODE DESCRIPTION TEST RESULT ------------------------------------------------------------------------------ 1 FC203C LOT501 L6519 *BOD 05 140000MG/KG *BOD 10 540000MG/KG *BOD 20 570000MG/KG *COD-RFX 95000ONG/KG 2 FC206C LOT502 L6518 *BDD 05 3600ONG/KG *BOD 10 260000MG/KG *BOD 20 26000ONG/KG *COD:--RFX 410,000MG/KG 3 FC-760 LOT501 *BOD 05 2400ONG/KG *BOD 10 220000MG/KG *BOD 20 240000MG/KG *COD-RFX 36000ONG/KG 4 FC203C #1 INHIBITED *BOD 05 63000MG/KG *BOD 10 480000MG/KG *BOD 20 62000ONG/KG 5 FC206C #2 INHIBITED *BCD 05 3200ONG/KG *BDD 10 26000ONG/KG *BCD 20 32000ONG/KG 6 FC-780 #3.INHIBITED *BOD 05 20000MG/KG *BOD 10 210000MG/KG WBOD 20 230000MG/KG CONTRACT LAB APPROVED AND SUBMITTED By y DATED As LLJM rril3im C:APSULC- rrT30= rTIOLiKal L.ABDRATORIES- AOVANCEO TECHNOLOGY 0\/ISON A Divisioonf Economics Laboratory.Inc. 605 West County Road E. St.Paul.MN 55112,(612)482-8855 April-..29,.1982. Mr. Dave See]/ y 3M Environmental Lab 935 Bush Ave. Bldg. 2-3E St. Paul, MN 55144 Dear Dave, Enclosed please find the results test was rerun per your request. using a larger amount of sample. biased due to the large dilution for C(jD on yol4r sample t @.'7-738-1*The This time the test was performed The previous test may have been factor. i:e you have any other questions or problems, P10-age call.6 CAPSULE LABORATORIES '13etsy A. Hannum :@,--@:.'SenioCrhemist BAH:jjd P: E-II7C72 -TECHNIC-AL April 29, 1982 @@aimp]Le D,6Scril@ti6n 773871 (Old capsule rog 12193) @Lp@4ule r.@6g: 1332@2-.. Cor), '720,0 00 inga., TIT-.ab TECI--INICAL DATA April 16, 1982 Samples Submitted by: Minnesota Mining & Manufacturing Company Samples Received on: February 24, 1982 ---------------------------------------------------------------------------- COD 5 Day BOD Uninhibited 5 Day BOD inhibited 10 Day BOD Uninhibited 10 Day BOD Inhibited 20 Day BOD Uninhibited 20 Day BOD Inhibited Capsule Log 12193 263C Sample Description: 7738-1 5.f -7,ioo -4 4 73 c., us 7 950,000 mg/kg 140,000 mg/kg 12194 12195 ?-0 c c- 7ro 13 7738-2 7738-3 .,.a us,@@ 0001.M7/@,q 36,000 mg/kg 360,000 mg/kg 24,000 mg/kg 63,000 mg/kg 32,000 mg/kg 20,000 mg/kg 540,000 mg/kg 260,000 mg/kg 220,000 mg/kg 480,000 mg/kg .--"'S'570,000mg/kg 260 000 V'Y% zl 9260,000 mg/kg- 210,000 mg/kg 5c afn T. mg/kg 240,00'6 mg/k4 620,000 p@-ler 4on mg/kg 320,000 mg/kg 6 C.. 230,000 mg/kg Sje 06/19/2000 ENVIRONMENTAL LABORATORY 1 ARCHIVED FINAL REPORT LAB REQUEST NO. 7736 REQUESTOR NAME: EAR DEPARTMENT: 0535 PROJECT NO: 9960012600 DATE RECEIVED: 02/16/1982 DESC: FC-206 C CONTRACT LAB(S): PACE EXP COMP DATE: 03/16/1982 DATE COMPLETED: 03/12/1982 PROJECT LEAD: PHONE NO: 3M FAX NO: 651-778-6176 SEE ALSO LRS 7625 7737 7738 -------------------------------------------------------------------------------- SAMPLE DATE CODE DESCRIPTION RESULT MDL or (95% C.I.) -------------------------------------------------------------------------------- 1 PACE BOD-05 PACE BOD-10 PACE BOD-20 PACE COD-RFX 2 PACE BOD-05 PACE BOD-10 PACE BOD-20 PACE COD-RFX 3 PACE BOD-05 PACE BOD-10 PACE BOD-20 PACE COD-RFX 4 PACE BOD-05 PACE BOD-10 PACE BOD-20 5 PACE BOD-05 PACE BOD-10 PACE BOD-20 6 PACE BOD-05 PACE BOD-10 PACE BOD-20 FC203C LOT501 L6519 *BOD-05 *BOD-10 *BOD-20 *COD (DICHROMATE REFLUX) 500000 MG/KG WET -620000 MG/KG WET 800000 MG/KG WET 810000 MG/KG WET FC206C LOT502 L6518 *BOD-05 *BOD-10 *BOD-20 *COD (DICHROMATE REFLUX) 250000 MG/KG WET 300000 MG/KG WET 350000 MG/KG WET 450000 MG/KG WET FC-780 LOT 501 *BOD-05 *BOD-10 *BOD-20 *COD (DICHROMATE REFLUX) FC203C #1 INHIBITED 190000 MG/KG WET 210000 MG/KG WET 250000 MG/KG WET 350000 MG/KG WET *BOD-05 *BOD-10 *BOD-20 FC206C #2 INHIBITED 470000 MG/KG WET 580000 MG/KG WET 730000 MG/KG WET *BOD-05 *BOD-10 *BOD-20 240000 MG/KG WET 300000 MG/KG WET 370000 MGIKG WET FC-780 #3 INHIBITED *BOD-05 *BOD-10 *BOD-20 * = CONTRACT LAB DATA 170000 MG/KG WET 210000 MG/KG WET 250000 MG/KG WET cc: intercroirariespondence D. R. Ricker - 53-4N D. L. Bacon/R. L. Bobon - 21-2W-05 Ta.J. A. PIGNATO COMMERCIAL CHEMICALS LAB - 236-2A-01 From E. A. REINER ENVIRONMENTAL LABORATORY/EE & PC 21-2W-5 DAect MIL-SPEC AFFF BOD AND COD TESTING Date:MAY 25, 1982 Attached is a summary of the BOD, carbonaceous BOD, and COD test results on PC-203C, FC-206C',and FC-780B. This testing was conducted at the 3M Env and four outside laboratories. TheirreosnumlenttsawlerLeabmoorraetory variable than I had anticipated. The Galbraith results on FC-206C were typical of their result from past testing, i.e., they had a very high BOD20/COD ratio. This occurred despite the fact that some of this testing was done withs a nitrification inhibitor (the C-BOD results) and ome of the tests were done using a seed unlikely to contain a large population of nitrifying organisms (sIeed from the Knoxville waste treatment system). While had previously thought that their results were due to nitrification, I must now say htihgaht BIODdorensoutltksn.ow why Galbraith gets such atypically pIrepplaarnintgo use the average data from all of these tests in for our Ma-1eurriaPlroSdaufctetyEnDvaitroanSmheneteatls.DatIaf Sheets and input you have any questions V, ,,oncerningthese data, please feel free to contact me on 778-5079. EAR/mk Attachment BOD, CARBONACEOUS BOD, AND COD DATA ON MIL-SPEC AFFF PRODUCT BOD20 C-BOD COD BOD20 C-BOD20 Lab (mg/kg) (mg/kg) (mg/kg) COD -COD FC-203C Lot 501 3M 580,000 600,000 730,000 .79 .81 740,000 Pace 800,000* 730,000* 810,000 730,000 Serco 440,000 440,000 737,000 .60 .60 Capsule 570,000 620,000 950,000 .6 .65 Galbraith 616,000 671,000 776,450 .79 .86 S & W Seed Galbraith 670,000 641,000 776,450 .86 .82 Knoxville Average S. D. 575,000 594,000 782,000 .73 .75 85,000 90,000 80,000 .12 .12 Calculated BOD's from different dilutions were very inconsistent. Pace agreed to repeat this work but inadvertently lost their repeated test results as well. We did not request a third testing nor did we include these values in the averages. 3M Pace Serco Capsule Galbraith S & W Seed Galbraith Knoxville 290,000 350,000 240,000 260,000 416,500 395,500 FC-206C Lot 502 290,000 370,000 260,000 320,000 411,000 380,000 360,000 450,000 370,000 410,000 407,250 374,000 407,250 0.78 0.78 0.65 0.63 1.02 .97 0.78 0.82 0.70 0.78 1.01 .92 Average S. D. 3m Pace Serco Capsule Average 3%75,000 338,000 396,000 .81 .83 000 57,00 33,000 .16 .11 FC-780B Lot 501 240,000 230,000 320,000 .74 .71 330,000 250,000 250,000 350,000 .71 .71 210,000 220,000 287,000 .73 .77 240,000 230,000 360,000 .67 .64 235,000 232,000 329,000 .71 .71