Stormwater Pollution Prevention Plan - Phoenix Sky Harbor ...
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Stormwater Pollution Prevention Plan - Phoenix Sky Harbor ...

Stormwater Pollution Prevention Plan - Phoenix Sky Harbor ... Stormwater Pollution Prevention Plan - Phoenix Sky Harbor ...

skyharbor.com
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29.03.2015 Views

Non-Mining MSGP 2010 General Permit All Units Benchmark Values (mg/L, total) mg/L Cadmium Copper Lead Nickel Silver Zinc 175-200 0.0447 0.0447 0.2873 7.475 0.0106 2.001 200-225 0.0501 0.0500 0.3255 8.258 0.0130 2.211 225-250 0.0555 0.0552 0.3637 9.028 0.0156 2.417 250-275 0.0609 0.0601 0.4020 9.786 0.0183 2.620 275-300 0.0663 0.0655 0.4402 10.53 0.0213 2.821 300-325 0.0714 0.0706 0.4784 11.27 0.0244 3.019 325-350 0.0770 0.0757 0.5166 12.00 0.0278 3.214 350-375 0.0823 0.0800 0.5547 12.72 0.0312 3.408 375-400 0.0876 0.0859 0.5927 13.44 0.0349 3.599 How to Determine Hardness for Hardness-Dependent Parameters. The permittee shall monitor stormwater discharges for parameters specified in Part 8 for the primary industrial activity, and any co-located industrial activities authorized under this permit. If any of the parameters are hardness-dependent, the permittee must also characterize for hardness. The results of the general analytical monitoring, including hardness, shall be submitted to ADEQ in accordance with Part 7. For discharges to: Perennial or intermittent waters, the hardness shall be of the surface water receiving the discharge. Ephemeral waters, the hardness shall be of the discharge leaving the facility. Hardness characterization of the receiving water shall include analysis of samples from the surface water receiving the discharge or surface water data collected by a third party provided the data is credible, scientifically defensible and is representative of current conditions. The data and the methodology for determining the hardness values must be submitted to ADEQ in the first year of permit coverage to allow ADEQ to compare monitoring results with applicable water quality standards. The permittee shall retain all reports and monitoring data in accordance with Part 7.5 of the permit. Stormwater Discharges Associated With Industrial Activity – Appendix D D-3

Attachment 2.0 – Notices of Intent

Attachment 2.0 – Notices of Intent

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