PERMFILE138305

• Permit No: C1981071
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: RN EXHIBIT 1 TO EXHIBIT 8
• Media Type: D
• Archive: No

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FART I
Page 2d of 17
Permit No. CO-0027154
b. Effective during periods of precipitation less than or ecual to the
10-year, 24-hour event for this facility.
Ar.y discharge or increase in the volume of a discharge caused by
precipitation. within ar.~• 24-hour period less than or equal to the
10-year, 24-hour precipitation event (or sno~~nelt of equivalent
volume] nay comply with the following limitations instead of the
limi*_ations of Parts I.A.S.a.
r1
L_J
Effluent Parameter
Settleable Solids (mi/1) 1/ i/
Total Iron (mg/1) ^
He::avalent Chromiu^ (mg/11
Total Copper (mg/1)
Total Silver (mg/1)
Total Ptercury (mg/1)
Total Zinc (mg11)
Salin'_ty
Discharge Limitations
30 day Avg. a/ Dail}• Pfaximum b/
1~/A 0.~
1.0 ''.0
.0?5 .OS
.O1 .02
.0001 .0002
.00005 .oool
.OS .lv

p:i - (Standard Units) shall remain between 6.5 and 9.G bJ.
Oil and grease shall not exceed 10 mg/1 b/ in any grab sample
nor stall there be a visible sheen.
~,' - PurSnan[ to 4G CFR 434.63 (a)
!/ bi - See Page 4d.
c. Effective during periods of precipitation greater than the 1G-year,
24-hour event for this facilit}•.
Any discharge or increase in volume of a discharge caused by
precipitation within ar.r 24 hour period in excess of the 10-year, ?4
precipitation event (or snowmel[ of equivalent volume) may compl}•
with the following limitations instead of the limitations of Parts
I.A.S.a and b. j/
•
Effluent Parameter
Total Iron (mg/1)
kexavalent Chromium (mg/1)
Total Cooper (mg/1)
Total Silver (mg/1)
Total Ptercury (mg,1)
"oral ~i nc (mgil)
Salin.i'.;
Discharge Limitations
30-day Avg. a; .Daily Maximum b/
i.0 2.C
.0?5 .OS
.C1 .02
.0001 .000?
.00005 .0001
.OS .10
\; A Iv/A
pH - (Standard L'r.its) shall remain between 6.5 and 9.C bi.
Cil ar.d grease shall r,nt e::^eed i0 ngii b/ in any grab sam?le nor sh.=.11
i
the_t be a visible sheen. ~