2018-10-22_REVISION - M2008078 ‎(14)‎

• Permit No: M2008078
• IBM Index Class Name: Revision
• Doc Date: 10/22/2018
• Doc Name Note: Part 1 of 6
• Doc Name: Request For Amendment To Permit
• From: Prowers Aggregate Operators, LLC
• To: DRMS
• Type & Sequence: AM1
• Email Name: AME
• Email Name: MAC
• Media Type: D
• Archive: No

Stormwater discharges shall be monitored when they are occurring. Samples shall be collected
at Discharge Point 001 for testing. No discharges will occur at Discharge Point 002. The
following table summarizes the monitoring requirements for Discharge Point 001.
Discharge Limitations
Parameter Units Maximum Concentrations Monitoring Sample
30-Day 7-Day Daily Max 2 year Frequency Type
Average Avera a Average
Continuous/ Recorder/In-
Flow MGD 2.16 NA Report NA Instantaneous, situ
Monthly
pH, (Minimum- s.u. NA NA 6.5-9.0 NA 2x/month Grab
Maximum
Total Suspended Mg/I 30 45 NA NA 2x/month Grab
Solids
Oil and Grease NA NA NA NA 2x/month Visual
Visual
Oil and Grease mg/I NA NA 10 NA If visual sheen Grab
is observed
Site Specific Limitations
Report Continuous/
Total Flow MG Qrtr Total NA NA NA Instantaneous, Calculated
Monthly
Electrical ds/m Report NA NA NA Quarterly Grab
Conductivity
Manganese, ug/I Report NA Report NA 2x/month Grab
Dissolved
Selenium,
Potentially ug/I Report NA Report NA 2x/month Grab
Dissolved
Total Recoverable ug/I Report NA Report NA 2x/month Grab
Uranium
pH sampling and testing will be done onsite with a portable pH measuring test kit. Grab samples
for Total Suspended Solids, Oil and Grease, Electrical Conductivity, Dissolved Manganese,
Potentially Dissolved Selenium, and Total Recoverable Uranium shall be taken directly from the
Discharge Point 001 pipe discharge flow in containers provided by the laboratory using the
following procedure:
• It is recommended that rubber gloves be worn during sampling to avoid skin contact with
the preservatives. Should skin or clothing contact any preservative flush the area
thoroughly with water.
• Each sample container will have a label that identifies the test to be performed and the
preservative present, if any.
• Complete the sample label prior to placing on the container. Use a waterproof pen.
• Fill the sample container slowly to -1" below the top to reduce the headspace present.
Be careful not to overfill and wash out the preservative. If the preservative is washed out,
proceed with filling the container, however, note that the preservative was washed out
on the sample label.
• Filling the container with less than 1" headspace could result in bottle breakage as the
sample expands.
• Repeat for each container provided for each sample location. It is important that all
containers be filled and properly labeled.
• Samples should be placed in a cooler, packed with ice (in Ziploc bags to avoid leaking),
and ship via overnight service to the laboratory for testing.
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