Document b35pmj2qDkdrzdzwGZkO70n3
1020.0001
Tab 3 3MA01933815
Io 1.~ 1.1
16
1020.0002
Tab 3 3MA01933816
o
Plant~ p~ovld~ ~inE q~r~er~ fo~ ~he fiel~ e~ and rend~ other v~u~ble sssis~ee.
Plant
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Tab 3
1020.0003
3MA01933817
o
1020.0004
Tab 3 3MA01933818
INDUSTRIAL WASTE OlSP0~.S..A=.L ..AT
MINNESOTA MINING AND MANUFACTURING .COMPANY COTTAGE GROVE TWR, WASHINGTON COUNTY
SEPTEMBER 22-28,1~J58
1020.0005
Tab 3 3MA01933819
SKETCH MAP OF WASTE DISP.OSAL SYSTEM MINNESOTA MINING AND MANUFACTURING COMPANY
CHEMOLITE PLANT, WASHINGTON COUNTY
1020.0006
Tab 3 3MA01933820
2, ~e to~al ~e%~ ~lacharge should no~ ~xoeed 2,200
%h~ ~tabili~ion I~o~ ~n~ %h~ act.arian ~me~ how~er, no ~Jor inv~sti~atlon has
~e~orts on the ~fflu~% gualAty
at. re~u.la~ in%orval~. ~e ~epo~ts have sho~, in gene~al~ vide v~rlatlons in %he qualihy of th~ effluan~ especia~y in regard
1020.0007
Tab 3 3MA01933821
take~ ~d a desolation ~ th~ s~at~ons ts ~ive~. ~ Ta~l~ 1~
once ~ 8 hours and a p~rti~n ~ t~s ~pl~ se~ ~ %h~ ~oll~%ed ~n~e ~h ~ d~ring %he ~~ Single e~ples o~ the
To fsotlitate flow measu~e~ent dn~in~ the su~y period, the
Co~pa~ ins~ s ~po~ary re~t~~ weir in the m~n
ch~ ~ above the 8k!~ing b~sin. A l~el r~oPde~ ~s
1020.0008
Tab 3 3MA01933822
-51020.0009
Tab 3 3MA01933823
an~ l~avin~ the lagoon, A deserlptlon of ~he sanplin~ s~a%Ion~ is Given in Table I.
~is ~o~!ou~ si~uat/o~ ~ be ~plain~ In part b~ the
~ence In %he waste flow into ~d ou~ o ~he l~goon ~d
hellion in the issoon ~d go~ hou~ekeepl~k~ practices on %he
~Y be bacteriologie~ action on eo~le w~ste cons~uou~ ~rdinarily n~Y exert littl~ or no oxygen d~nd in the raw but whicl~, ~ter a period of bacterioLogic~! ~tach in ~hm ~y be fra.~monted into ~aller ~rt~ Which ~ be noro r~dily
Tab 3
1020.0010
3MA01933824
%he ~ssolv~ o~Een enter of the ~81e flow, Includi~ oo~li~
~ter, 10 %h~ w~lue o~ 3.7 ~/1 foun~ ~ d~ ~he ~e
- 3.~ ~/l fOU~ at ~e !r~o% t~ the lowe~ ~ n~r %he The l~n effluem5 is ~iI~1~ ~pp~o~tel~ %W~ 1~ on~
%he addition of ~oolln~ ~1~ di~har~ ~1 an est~%~ r~te of
the two VaO~O l~pl~ =oi14~ in th~ T~ b~ow %he ~In%
200 ~/I ~d 300 =~/I; co~par~ %o laEoon ~luent in th~ ~an~e sf 500 - lOOQ m~/l,
The ~pl~s obt~n~ far%}~e~ do~ the r~vine~ about to the rlv~, show~ BOD conc~ntr~tion~ o 190 ~/i ~nd 32~ while at the ~et to %h~ lower pond, the BOD concentrations were 185 m~/l and 27~ ~/!s indiuatiu~ little, if a~, further
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Tab 3
1020.0011
3MA01933825
~020.00~2
I1 III
"11" III ...... :~
Tab 3
3MA01933826
o
'o ,o
bu~ & etat~t~oal e~aluation h~e not yet been ~e %o dete~ino
(pH app~o~t~ 7.0).
~d ~n the la~oon ~fluent s~ple~. ~ese ellen, s ~e eo~de~
1020.0013
T~I:) 3 3MA01933827
and pol~o f~u ~d the ~1 re~one o~ the fts~ be~e unumu~y
Data obtained ~m ~.~. C~rps o~ En~In~rs, St~ Paul offlee.
-10 -
1020.0014
Tab 3 3MA01933828
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~ne ia a ~n~ eim!la~ to a ~tr~ wire, in ~h~ riv~ itself, the l~i%od ~i~ p~o~edure would not Be likely te r~eaI the
2. On a BO~ basis, the population equivalent of the pla~t with an average of about ~,00o ov~r the three-day sampling period.
Ill II1111/."1'i~._'-t_r'~'++: ~:.
--I]i'" i.r.i.i.| n.'.~ ... ;:"~.........;+~ ':'+'++~
Tab 3
1020.0015
3MA01933829
b efor~ the ~e i~ ~ch~d the
5. The stab!lisat!on lagoon did not &ppea~ ~o be function-
i.~ ~ife~tivaly as ~u o~at~m ~1 a~ saown by ~he BOD and
o.~s from r~ehlng the r!ver ~%heu~ ml~in~
~e~ to p~ovide effe~tlve reduction in the w~ate~ 10 the re~o~end~ levels.
j, G. Hillest&~ Publlu E~!tn ~ngi~erlng Aide
Approved:
~ubllc }[~a!t~h Biulo~i~t
1020.0016
3MA01933830
I I Ii I I I I t I t I I ! I I I
1020.0017
3MA01933831
1020.0018
3MA01933832
O O
-- 0 O
.........
1020.0019
Tab 3 3MA01933833
65O ~5 ~9~ ~50
6.2 5.1 5.1 1.2 2O 17 26
0.06 0.06 .... 880 1,100 i#i00 i#~00-- ,5*00 .
7.0 7,0 - 7.~ 7.2 7.3
0,12 0.17 0,i$ 0,26 0,22 O,2A
~A~ .~/~ unless otherwse noted
Tab 3
1020.0020
3MA01933834
6?
69
70
6~
62
58
66
i020.002i
Tab 3 3MA01933835
~i/z~ ~)
- >2~,oo,~o0~ ..
17 25
12
25
2%0
<7000
1020.0022
610oo
:;...%,~.%.-:.+._++ ~
Tab 3
3MA01933836
1020.0023
3MA01933837
0
-201020.0024
0.22
:-" 2.
Tab 3 3MA01933838
6h - ?0 62 - S9 ~3 - 77 62 - 69 ~9 ." (~
60 - && 60 - 64 ~ - 71
6.6 - iI.~
-
?.~ - II.0
6.9
~.2 - io.~
6.8
~.i - io.~
7.0
8,0 - 10.2
?~O
&.O - 11,2
6.9 - 12.0
7.2
9.0 - i0.~
7.5
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1020.0025
Tab 3
3MA01933839