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- Sampling and Analysis Plan for Gold King Mine Release September 2015 (PDF)(132 pp, 4 MB)
- Addendum 1 to Gold King Mine Release SAP/QAPP – Surface and Sediment (PDF)(21 pp, 1 MB)
- Gold King Mine Release Interim Final Quality Assurance Sampling Plan - Water and Sediment Sampling and Monitoring (PDF)(119 pp, 5 MB)
- Sampling and Analysis Plan/Quality Assurance Project Plan for Gold King Mine ER (PDF)(564 pp, 14 MB)