APPCOR10684

• Permit No: C1981019
• IBM Index Class Name: Application Correspondence
• Doc Name: ATTACHMENT #1 COLOWYO TECHNICAL ANALYSIS
• Media Type: D
• Archive: No

September lr,, LJB~
-1 ?-
TiiB f.E u. (na ne 3)
Chemical 2a ram ter Jus ti f i ca ti on
Su1_`ate (SOS) a ore dcminant~ar.ion in mine drainage ar the Etna
?line, concentration Increased above bacxground Levels
(fie:~/horse r, et al 197=),- concentrations ..-.ay
increas_ in waters near sur.`ace mines in the .restern
U.S. (Everett, 14%9); needed to evaluate 'cn
balances.
Sulfur
a pyri tic sulfur
~ sulfate sulfur
a organic sulfur
total sulfur
an indicator o° the acid-base Poraing potential of
spoils or re Puss rock: ~ pyritic sulfur ~~ an
indicator of acid-for,nir,c potential; `~ suiPate
sulfur is an indicator of base-forrv:ng potential;
°a organic sulfur is an indicator of the potential
for spontaneous combustion of a mine's refuse pile.
Trace Aluminum (AI) a major component e` clans; may oecome attached to
Elements suspended colloids; a1u.^u:num bound to clay colloids
may clog gills in fish, resulting in.suf.`ocat_'on
(willingham, 1992).
Arsenic (AS) concentration reported to increase in ,mine spoils
water at the Edna :fine (Skocerboe, et al., 1979);
concentrations man increase in :raters near surface
mines in the western U.S. (n-~erett, 1979); likely
to have a .4igher than average concentration in coal
and associated shales (.:AS, L°77); nay be a pollutant
associated with fly ash disposal in sur`ace mines in
the ~:~estern U.S. (Everett, 1979).
Boron (B) an indicator of the use.°ullness of sooi_'s and refuse
rock as a plant gro:rt.4 radium (Bind,^a m, 173); con-
centrations nay increase in craters near sur ace
mines in the westarn U.S. (E t•e rett, 1979).
Ca d;nium (Cd) concentrations may incrc axe in ira to rs near sur.`ace
mines in the :restern U.S. (Everett, _'979); may be
a pollutant associated with fly ash disnosa: in
surface mines in the western U.S. (Everett, 1979).
Copper (Cu) concentrations nay inc~~ase in ~n~ators near surface
mines in the .:astern U.S. (Everett, 1979); nay be
a pollutant associated Kith fly ash disposal in
sur f,rcc nines in [he was b?rn G.S. (Eve rc tt, 1979);
chanyc in Cu:'~!o r.i Cio could r_ausc n~lybdenpsis in
livestock.
moron (Fe) increased concentrat~'on teported in mine spoils
:.a ter at the Etna :rime (S):ocerboe, ~t al., 1979);
concentrations ~-ay increase in waters rear surface
mines In the ::extern u,5. (Everett, 1479); effluent
linitatior.s =rcn °:ae .OS._'(7).