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has been corrected, and the procedures implemented to eliminate the reoccurrence of the noncompliance. In the event that the storm water discharge monitoring indicates that there has been a significant release of chemicals to the environment,the facility shall implement corrective measures to stop the release and cleanup the impacted media. 4.4 Sample Collection and Analysis Samples are collected using the via"grab"sampling method. Collection bottles are labeled and placed in cooler at the site under chain of custody protocol with blue ice and delivered to lab within one day. The storm water samples will be analyzed for the parameters identified in Table 7. Table 7 Benchmarks and Storm Water Sample Analysis and Requirements Nelson Petroleum, Inc.Everett,WA Parameter Units Benchmark Analytical Laboratory Minimum Value Method Quantitatio Sampling n Level a Frequencyb Turbidity NTU 25 EPA 180.1 0.5 1/quarter Meter pH Standard Between 5.0 and Meter/Paper 10.5 1/quarter Units 9.0 Oil Sheen Yes/No No Visible Oil N/A N/A I/quarter Sheen Diesel mg/L <10 NWTPH-Dx 1 l/quarter Copper, µg/L Western WA: 14 EPA 200.8 2.0 l/quarter Total Eastern WA: 32 Zinc,Total µg/L 117 EPA 200.8 2.5 1/quarter The listed analytical methods are the EPA standard methods considered appropriate for the required analysis. Equivalent or superior analytical methods may be substituted by ALS Laboratory. 5.0 SWPPP CERTIFICATION The SWPPP Certification Form is attached to Appendix E in this notebook. Sign and certify that the Storm water Pollution Prevention Plan(SWPPP) is complete, accurate and in compliance with Conditions S3, S8, and G2 of the Industrial Storm water General Permit. Each time a Level 1, 2, or 3 Corrective Action is required, this form needs to be re-signed and re-certified, and attached to the SWPPP.