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2018-10-22_REVISION - M2008078 (12)
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2018-10-22_REVISION - M2008078 (12)
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Entry Properties
Last modified
1/4/2025 6:27:12 AM
Creation date
10/23/2018 10:02:25 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M2008078
IBM Index Class Name
Revision
Doc Date
10/22/2018
Doc Name Note
Part 2 of 6
Doc Name
Request For Amendment To Permit
From
Prowers Aggregate Operators, LLC
To
DRMS
Type & Sequence
AM1
Email Name
AME
MAC
Media Type
D
Archive
No
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Appendix C <br /> Page 60 of 67 <br /> Permit No.:COG500000 <br /> Appendix C—Definitions <br /> 1. "Acute Toxicity"—The acute toxicity limitation is exceeded if the LC50 is at any effluent concentration less than or equal to the <br /> IWC indicated in this permit. <br /> 2. "Applicable water quality criterion(AWQC)"is the quantitation target level or goal.The AWQC may be one of the following: <br /> Where an effluent limit has been established, <br /> L The AWQC is the effluent limit. <br /> Where an effluent limit has not been established,the AWQC may be <br /> i. An applicable technology based effluent limit(TBEL); <br /> ii. Half of a water quality standard; <br /> iii. Half of a water quality standard as assessed in the receiving water,or potential WQBEL;or <br /> iv. Half of a potential antidegradation based effluent limitation,which can be an antidegradation based average <br /> concentration or a potential non-impact limit. <br /> 3. "Asphalt batch plant"—refers to the manufacturing plant that combines aggregate and an asphalt binder to produce asphalt <br /> concrete. <br /> 4. "Asphalt concrete"—produced in a manufacturing plant(asphalt batch plant)and is known by many different names,such as <br /> hot mix asphalt, plant mix, bituminous mix,bituminous concrete,etc. <br /> 5. "Best Management Practices(BMPs)"—schedules of activities, practices(and prohibitions of practices),structures,vegetation, <br /> maintenance procedures,and other management practices to prevent or reduce the discharge of pollutants to state waters. <br /> BMPs also include treatment requirements,operating procedures,and practices to control plant site runoff,spillage or leaks, <br /> sludge or waste disposal,or drainage from raw material storage.See 5 CCR 1002-61.2(9). <br /> 6. "Chronic toxicity",which includes lethality and growth or reproduction,occurs when the NOEC and IC25 are at an effluent <br /> concentration less than the IWC indicated in this permit. <br /> 7. "Composite"sample is a minimum of four(4)grab samples collected at equally spaced two(2)hour intervals and proportioned <br /> according to flow. For a SBR type treatment system,a composite sample is defined as sampling equal aliquots during the <br /> beginning, middle and end of a decant period,for two consecutive periods during a day(if possible). <br /> 8. "Continuous" measurement,is a measurement obtained from an automatic recording device which continually measures the <br /> effluent for the parameter in question,or that provides measurements at specified intervals. <br /> 9. "Control Measure" refers to any BMP or other method (including effluent limitations) used to prevent or reduce the discharge <br /> of pollutants to waters of the state. <br /> 10. "Daily Maximum limitation"for all parameters(except temperature, pH and dissolved oxygen)means the limitation for this <br /> parameter shall be applied as an average of all samples collected in one calendar day. For these parameters the DMR shall <br /> include the highest of the daily averages. For pH and dissolved oxygen,this means an instantaneous maximum(and/or <br /> instantaneous minimum)value. The instantaneous value is defined as the analytical result of any individual sample. For pH and <br /> dissolved oxygen, DMRs shall include the maximum(and/or minimum)of all instantaneous values within the calendar month. <br /> Any value beyond the noted daily maximum limitation for the indicated parameter shall be considered a violation of this permit. <br /> For temperature,see Daily Maximum Temperature. <br /> 11. "Daily Maximum Temperature(DM)"is defined in the Basic Standards and Methodologies for Surface Water 1002-31, as the <br /> highest two-hour average water temperature recorded during a given 24-hour period. This will be determined using a rolling 2- <br /> hour maximum temperature. If data is collected every 15 minutes,a 2 hour maximum can be determined on every data point <br /> after the initial 2 hours of collection. Note that the time periods that overlap days(Wednesday night to Thursday morning) do <br /> not matter as the reported value on the DMR is the greatest of all the 2-hour averages. <br /> For example data points collected at: <br />
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