2019 GROUNDWATER MONITORING REPORT
<br /> 5 REFERENCES
<br /> ' Arcadis. 2009. Final April 2009 Groundwater Monitoring Report, Portland, Florence, Colorado. Prepared
<br /> for Holcim (US) Inc., Florence, Colorado. July.
<br /> ' Arcadis. 2010. March 2010 Groundwater Monitoring Report, Florence, Colorado. Prepared for Holcim
<br /> (US) Inc., Florence, Colorado. July.
<br /> Arcadis. 2014. Proposal to Remove Sodium as a Groundwater Quality Parameter, DRMS Permit No. M-
<br /> 1977-344, Technical Revision No 6. Prepared for Holcim (US) Inc., Portland, Colorado. October.
<br /> BBL. 2002. Groundwater Monitoring Plan, Holcim (US) Inc., Portland Plant, Florence, Colorado. Prepared
<br /> for Holcim (US) Inc , Florence, Colorado. December
<br /> BBL. 2004. Quarterly Groundwater Monitoring Report, DMG Permit No. M-1977-344, Technical Revision
<br /> No. 6, Holcim (USO Inc. Portland, Colorado Plant, November 22, 2004.
<br /> Colorado Department of Public Health and Environment. 2008. Water Quality Control Commission
<br /> Regulation No. 41 The Basic Standards for Groundwater. Adopted January 5, 1987.Mined Land
<br /> Reclamation Board, 2001 Construction Material Rules and Regulations.
<br /> Division of Mineral and Geology letter to K-S &Company regarding Technical Revision No. 6, Holnam,
<br /> Inc., Portland Limestone Quarry, Permit No. M-77-344, January 18, 2000.
<br /> Division of Minerals and Geology. 2002. Letter to Holnam regarding Technical Revision No. 6 (Cement
<br /> Kiln Dust disposal) Second Adequacy Review, Portland Limestone Quarry, Permit No. M-77-344, October
<br /> 8, 2002.
<br /> Division of Reclamation, Mining, and Safety. 2009. Letter to Holcim (US) Inc. Regarding Proposed
<br /> Groundwater Monitoring Plan, DRMS Permit#M-1977-344 Portland Cement Plant. February 24, 2009.
<br /> Division of Reclamation, Mining, and Safety 2012. Letter to Holcim (US) Inc. Regarding Portland
<br /> Limestone Quarry, Permit No. M-1977-344, Revised Groundwater Monitoring Plan. November 27, 2012.
<br /> Freeze, R.A., and J.A. Cherry 1979. Groundwater. Prentice-Hall, Inc., Englewood Cliffs, New Jersey.
<br /> Holnam, Inc. 2001. Letter to Division of Minerals and Geology regarding Permit No. M-77-344, Technical
<br /> Revision No. 6, Adequacy Review Response, Holnam, Inc. Quarry, Portland, Colorado, May 10, 2001.
<br /> K-S &Company. 1999. Letter to Division of Minerals and Geology regarding Permit No. M-77-344,
<br /> Technical Revision No. 6, Holnam, Inc. Quarry, Portland, Colorado, August 16, 1999.
<br /> MLRB. 2001, Mineral Rules and Regulations of the Colorado Mined Land Reclamation Board for Hard
<br /> Rock, Metal and Designated Mining Operations. Promulgated May 1977.
<br /> Resource Geoscience, Inc. 1999. Hydrogeologic Assessment Holnam, Inc., Portland, Colorado. Prepared
<br /> for Holnam, Inc., Florence, Colorado. January 27, 1999.
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