PERMFILE71382

• Permit No: M2007003
• IBM Index Class Name: Permit File
• Doc Date: 3/14/2007
• Doc Name: Additional Items for Adequacy Review
• From: AG Engineering
• To: DRMS
• Media Type: D
• Archive: No

PARTI
Page 5
Permit No. COG-500000
B. EFFLUENT LIMITATIONS AND CONDITIONS -PROCESS WATER DISCHARGE
(This section (LB) only applies to facilities with a discharge of process water.)
General Limitations
a. There shall be no discharge of sanitary wastewaters from toilets or related facilities.
b. There shall be no discharge of Floating solids or visible foam.
c. No chemicals are to be added to the discharge unless the permit issuing authority grants permission for the use of a specific
chemical. In granting the use of such chemicals, additional limitations and monitortrtg requirements maybe imposed.
d. Bulkstvragestructuresforpetroleumproductsandotherchemicalsshalthaveadequateprotectiontoprevrntanyreasonable
loss of the material from entering discharged waters or waters of the State.
2. Industrv-Specific Numeric Limitations
Beginning October ], 2002 and laving through September 30, 2002, the permittee is authorized to discharge from the process wafer
outfalls, under the industrial category below, as identified in their permit certification.
In accordance with the Water Quality Control Commission Regulations for Effluent Limitations, Regulation 62, 5 C.C.R.
1002 - 62 and State Discharge Permit System Regulations, Section 61.8 (2), 5 C.C.R. 1002-61, the permitted discharge shall not
contain effluent parameter concentrations, which exceed the following limitations:
a. Miners) mining and processing point source category - 40 CFR 436 - subpart B (crushed stone), C (construction sand and
gravel), R (phosphate rock) -and all other industrial facilities covered under SIC Code 14, (except graphite and those
facilities specifically fisted in paragraph c, below), and concrete and asphalt batch plants located at any facility otherwise
covered by this general permit:
Discharge Limitation (See definitions Part I.B.)
Parameter 30-day avg 7-day flvg Daily max
Flow, MGD Report NA Report
pH, su. (minimum-maximum) NA NA 6.5-9.0
Total Suspended Solids, mgJl 30 45 NA
Oil & Grease, mg/I NA NA 10
Total Dissolved Solids, mg/1 • NA NA Report
Total Phosphorus (as P) mgll •• NA NA Report
• Appacabk to wauys of the Cobrndo River Basin Only. See LD.Ba
•• Applicable to seem listed in LD.8.6.
Mineral mining and processing point source category - 40 CFR 436 -subpar AL (graphite): this permit does not cover the discharge of process
wastewater from graphite mines. (See Section V.A.2.d of the Rationale.)
Mineral mining and processing point source category - 40 CFR 436 - subpart D
(industrial sand) (except for process-generated wastewater from facilities employing HF
floatation):
P Discharge Limitation (See definitions Part I.B.)
arameter 30-day avg 7-day avg Daily max
Flow, MGD Report NA Report
pH, su. (minimum-maximum) NA NA 6.5-9.0
Total Suspended Solids, mg/I 25 4S NA
Oil & Grease, mg/1 NA NA 10
Total Dissolved Solids, mg/l • NA NA Report
Total Phosphorus (as P) mg/t •• NA NA Report
• Appl iceble to waters of the Colorado RSver Basin Only. See I.D.a.a.
•• Applicable to waters listed in ~I .D.a.b.