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<br /> STORMWATER -INDUSTRIAL ACTIVITY <br />FIELD AUDIT /INSPECTION FORM (PAGE 2 OF 2, <br />Date: <br />January 7, 1997 Inspectors: Cert No. <br />David W. Knope COG - 500912 <br />Facility Name: The Aggregate Source, lnc. <br />D. Waste materialslstorage exposed to stormwater? Yes No ~ <br /> Observations: No major waste areas were observed. Few tailings are present as the majority of the material <br />that is quarried is sold as aggregate and rip rap. <br />E. Vehicle maintenance or fueling; storage of fuel? Yes ~ No <br /> Observations: The above ground fuel storage tanks did not have a spill comainment structure. <br />F. Evidence of other exposed industrial activities? Yes ~ No <br /> Observations: Vehicle maintenance is to be performed inside of a recently constructed building. <br />G. Evidence of non-stormwater discharges? Yes No ~ <br /> Observations: Aggregate washing is no longer perfomred at the quarry. Due to the lack of process water at the <br />site, it is believed that the stormwater permit is sufftciem and a t:DPES permit is not required. <br />H. Best Management Practices, installation, maintenance, effectiveness; additional comments: <br /> • In order to control the starmwater runoff, it is recommended that water diversion structures (ditches, culverts, <br /> rolling dips, etc.J be constructed to channel the water into the retention ponds. <br /> • A general housecleaning schedule should be developed to pick up discarded material (oil contai~hers, plastic <br /> wrapping, snap metal, etc. J that was scattered around the site. <br /> • The spillway jot Pond q3 had been constructed. The spillway for Pond N2 was roughed in alon,„side the road. <br /> The spillway jot Porul NI was not well defined. /t is recommended that the spillways jot Ponds til and q2 be <br /> worked on to provide a more defined structure. ALro, the retention ponds should be worked on to ensure that <br /> they are constructed to general specifications (i.e. 3 to ]side slopes on embankments) and have ~7dequate <br /> volume to contain the anticipated flow volume. <br /> • Any erosion below Pond N3 would impact Tunnel Drive due to lack ojerosion control below this point. <br /> <br /> <br /> <br /> <br /> <br />c~~a loco <br />