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2015-09-11_PERMIT FILE - M1979059
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2015-09-11_PERMIT FILE - M1979059
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Last modified
8/24/2016 6:10:39 PM
Creation date
10/14/2015 10:58:43 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1979059
IBM Index Class Name
Permit File
Doc Date
9/11/2015
Doc Name
Response to Adequacy Review
From
Weiland, Inc
To
DRMS
Email Name
MAC
WHE
Media Type
D
Archive
No
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Coulson Excavating Co Inc— Brownwood Pit <br />Page 2of5 <br />DMR Data <br />In general, the Division will use the benchmark and site-specific benchmark values listed on the enclosed permit certification to evaluate <br />the DMR data to support development and implementation of TMDLs, and to determine whether the potential exists for the discharge to <br />contribute to and/or cause an exceedance of all water quality standards. Additional information from in -stream monitoring, inspections, <br />or other sources may also be used in making this determination. <br />General Information 07-1B <br />Permit action fees: The Annual Fee for this certification is $75 (Category 07, Subcategory 1B -- Sand and gravel without process <br />discharge - storm water only, per CRS 25-8-502), and is invoiced every July. Do Not Pay This Now. The initial invoice will be prorated <br />and sent to the legal contact shortly. <br />Changes to the certification: Any changes that need to be made to the certification page, e.g., sampling location, monitoring <br />requirements, etc., must be submitted using the "Permit and Certification Modification form" available on the Division's website, <br />www.coloradowaterpermits.com, and signed by the legal contact. <br />Monitoring and requirements- Monitoring must occur at the frequency established in the permit certification. Weather conditions <br />may not always allow the permittee to collect a sample during business hours; however, the monitoring frequency established in <br />the permit certification must be met. The Division strongly recommends that the permittee contact a lab prior to setting up a <br />sampling program. <br />Monitoring location(s), i.e., outfalls, are locations where stormwater exits the facility property, including pipes, ditches, swales, <br />sheet flow and other structures that transport stormwater. The Division expects the permittee to modify the facility SWMP to <br />include a description of all sampling point(s). Sampling point(s) must be representative of the facility's stormwater discharge, <br />taking into account the facility's pollutants of concern. Separate sampling points must be created where the stormwater runoff <br />chemistry has the potential to be different from, or contain different pollutants than, other areas of the facility. One DMR form is <br />required for each sampling point. <br />Discharge Monitoring Reports (DMRs) and Annual Reports: The permittee shall establish and maintain records that identify, <br />among other information, the exact location(s) where monitoring is conducted. <br />DMRs must be submitted quarterly as long as the certification is in effect. The permittee shall provide the Division with any <br />additional monitoring data for the permitted discharge that is collected for entities other than the Division. Please contact the <br />Division (303-692-3517) if DMR forms have not been received. <br />Additionally, the permittee must complete an Annual Report form and submit to the Division by February 15, each year. <br />Termination requirements: The permittee may initiate termination of permit coverage by submitting a "CDPS Permits and <br />Authorization Termination Form " This form is available on the Division's web site (www.coloradowaterpermits.com.) and must be <br />signed by the legal contact. <br />Analytical and sampling methods for monitoring: The permittee shall install, calibrate, use and maintain monitoring methods and <br />equipment, including biological and indicated pollutant monitoring methods. All sampling shall be performed by the permittee <br />according to specified methods in 40 C.F.R. Part 136; methods approved by EPA pursuant to 40 C.F.R. Part 136; or methods <br />approved by the Division, in the absence of a method specified in or approved pursuant to 40 C.F.R. Part 136. <br />If the permit contains a numeric effluent limit for a parameter, the analytical method and PQL selected for all monitoring conducted <br />in accordance with this permit for that parameter shall be the one that can measure at or below the numeric effluent limit. If all <br />specified analytical methods and corresponding PQLs are greater than the numeric effluent limit, then the analytical method with <br />the lowest PQL shall be used. <br />If the permit contains a report only requirement for a parameter, the analytical method and PQL chosen shall be one that can <br />measure at or below the benchmark, or water quality standard, or other level approved by the Division. If all analytical methods and <br />corresponding PQLs are greater than the benchmark, or water quality standard, or other level, then the analytical method with the <br />lowest PQL shall be used. <br />If the permit contains an interim effluent limitation (a limit is report until such time as a numeric effluent limit becomes effective) for <br />a parameter, the analytical method and PQL chosen for all monitoring conducted in accordance with this permit for the parameter <br />shall be one that can measure to the final numeric effluent limit. If all analytical methods and corresponding PQLs are greater than <br />the final numeric effluent limit (s), then the analytical method with the lowest PQL shall be used. <br />d ,
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