HYDRO27746

• Permit No: M1977410
• IBM Index Class Name: Hydrology
• Doc Name: REFERENCES
• Media Type: D
• Archive: No

: COLORADO DEPARTMENT OF~ ALTH, Water Quality Control D 71aion
Pormit Numbrr CO-0032751 Page 5 .
APPENDIX B3
Stato Sampling A~eult• at Cros^ Minim: Discharge Point 001
Sampling Flow TSS Cd Cu Pb Hg Zn pH D.O.
vat. MGD ma/1 mo/1 mo/1 ma/1 u~ ~. 3L~ e.u. me/1
it-O1-83 0.072 k10 --- 0.028 0.024 k0.0005 0.34 7.8 9.3
OS-24-84 0.12 12 --- 0.016 0.063 k0.0005 0.19 7.6 9.7
10-03-84 0.015 k10 0.0068 0.0015 0.032 k0.0005 0.50 7.3 8.8
06-19-85 0.079 k10 0.0052 0.011 0.013 k0.0005 0.29 6.8 9.6
06-25-86 0.06 k10 0.0030 k0.005 0.0088 k0.00025 0.19 7.1
10.2
06-03-87 0.094 k10 0.0027 0.0064 0.013 k0.00025 0.21 7.3 9.6
06-16-87 0.05 k10 0.0035 0.013 0.011 k0.00025 0.24 7.3 9.3
06-25-87 --- --- 0.0030 0.016 0.066 k0.00025 0.33 8.9 10.0
10-14-87 No D ischarq~
08-26-88 --- k10 0.0047 0.007 0.020 k0.00025 0.27 7.1 10.0
Previous Permit Limits:
30 day avg. NA 20 0.0004 0.005 0.004 0.00005 0.75 Ei.S/9.0 NA
Daily max. NA 30 0.0008 0.010 0.008 0.00010 1.5 E..S/9.0 NA
0. 05/0.10
k ~ l~s^ than
--- ~ not sampled
Ths previous permit limits haves boon in •ffsct from 9-20-84 (through
12-31-88); except for the limits for zinc, which ors as follows:
0.75/1.5 mq/1 from 9-20-84 through 12-31-85
0.05/0.10 mg/1 from 1-1-86 (through 12-31-88).