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NATURALLY OCCURRING HAZARDOUS MATERIALS Final Report

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NATURALLY OCCURRING HAZARDOUS MATERIALS Final Report NATURALLY OCCURRING HAZARDOUS MATERIALS Final Report SPR 686 NATURALLY OCCURRING HAZARDOUS MATERIALS Final Report SPR 686 by Clark A. Niewendorp Oregon Department of Geology and Mineral Industries for Oregon Department of Transportation Research Section 200 Hawthorne Ave. SE, Suite B-240 Salem OR 97301-5192 and Federal Highway Administration 400 Seventh Street, SW Washington, DC 20590-0003 December 2011 Technical Report Documentation Page 1. Report No. 2. Government Accession No. 3. Recipient’s Catalog No. FHWA-OR-RD 12-04 4. Title and Subtitle 5. Report Date December 2011 Naturally Occurring Hazardous Materials 6. Performing Organization Code 7. Author(s) 8. Performing Organization Report No. Clark A. Niewendorp 9. Performing Organization Name and Address 10. Work Unit No. (trais) Oregon Department of Geology and Mineral Industries 800 NE Oregon Street #28, Suite 965 11. Contract or Grant No. Portland, OR 97232 SPR 686 12. Sponsoring Agency Name and Address 13. Type of Report and Period Covered Final Report Oregon Department of Transportation Federal Highway Administration Research Section 400 Seventh Street SW 14. Sponsoring Agency Code 200 Hawthorne Ave. SE, Suite B-240 Washington, DC 20590-0003 Salem, OR 97301-5192 15. Supplementary Notes The final report covers the entire project with accompanying final versions of electronic databases and computer files. 16. Abstract The study of naturally occurring hazardous materials (NOHMs) was conceived as a proactive response to assure that the Oregon Department of Transportation (ODOT) maintenance and construction activities take the presence of NOHMs into account. The label of NOHM is given to certain elements, minerals, and materials of a varied geologic nature found in natural deposits or as contaminants that could have consequences on the well-being of those exposed to these earthy materials. Many elements, minerals (non-fuel and industrial minerals), and other rocks meet the NOHM criteria, particularly those that pose health hazards through their physical properties (e.g., size, shape, dissolutions traits). It is when such an occurrence is disturbed, crushed, or exposed to natural weathering and erosion, or to human activities that create dust that a potential risk may arise and possibly pose a human health or environmental concern. Out of 42 possible NOHMs, ODOT’s Technical Advisory Committee picked 16 for the project. Ten ODOT sites across Oregon were sampled for the presence (or absence) of any one of these NOHMs, from which 15 composited samples were collected. Of these, 4 samples were analyzed for multi-elements (35 analytes), 10 samples were examined for zeolite minerals with erionite being the mineral of interest, and 2 samples were examined for asbestos minerals. Five samples from four sites contained fibrous material in suspension. X-ray fluorescence diffraction (XRD) was unable to match the fibrous material with zeolite XRD pattern matching standards. However, Transmission Electron Microscopy (TEM) data of the fibrous material points to offretite’s chemistry field, a zeolite species closely associated with erionite or possibly a Mg-poor erionite. The incongruity between the XRD and TEM results tends to confound analytical interpretation and the results are unfortunately inconclusive. At two ODOT sites, multi-element analysis by ICP-AEA with trace Hg by Cold Vapor/AAS revealed elevated levels of As and other analytes. Anthophyllite and chrysotile, both regulated asbestos minerals, were detected in two samples from the Chancellor quarry using NIOSH 9002 method (PLM/DS procedures). A NOHM-GIS interpretative layer, called NGIL, is an important outcome of this project. It was developed to map where the 16 NOHMs picked for the project are likely to be encountered. To convey NOHM information to ODOT personnel, a relative NOHM hazard potential was assigned to geologic unit polygons held in the Oregon Digital Geologic Compilation. The relative NOHM hazard potential is expressed in qualitative terms of ‘Most’, ‘Moderate’, or ‘Least’ likely. To arrive at a hazard classification, various data rules were devised based on geological factors, expert knowledge, and databases either developed or enhanced for the project. NGIL is also linked to a database of the characteristics, hazards, analytical methods, and precautions that are associated with each NOHM. 17. Key Words 18. Distribution Statement Geoscientific information, Environment, Medical geology, Geologic Copies available from NTIS, and online at hazards, Minerals http://www.oregon.gov/ODOT/TD/TP_RES/ 19. Security Classification (of this report) 20. Security Classification (of this page) 21. No. of Pages 22. Price Unclassified Unclassified 124 Technical Report Form dot f 1700.7 (8-72) Reproduction of completed page authorized Printed on recycled paper i SI* (MODERN METRIC) CONVERSION FACTORS APPROXIMATE CONVERSIONS TO SI UNITS APPROXIMATE CONVERSIONS FROM SI UNITS Symbol When You Know Multiply By To Find Symbol Symbol When You Know Multiply By To Find Symbol LENGTH LENGTH in inches 25.4 millimeters mm mm millimeters 0.039 inches in ft feet 0.305 meters m m meters 3.28 feet ft yd yards 0.914 meters m m meters 1.09 yards yd mi miles 1.61 kilometers km km kilometers 0.621 miles mi AREA AREA in2 square inches 645.2 millimeters squared mm2 mm2 millimeters squared 0.0016 square inches in2 ft2 square feet 0.093 meters squared m2 m2 meters squared 10.764 square feet ft2 yd2 square yards 0.836 meters squared m2 m2 meters squared 1.196 square yards yd2 ac acres 0.405 hectares ha ha hectares 2.47 acres ac 2 2 2 2 ii mi square miles 2.59 kilometers squared km km kilometers squared 0.386 square miles mi VOLUME VOLUME fl oz fluid ounces 29.57 milliliters ml ml milliliters 0.034 fluid ounces fl oz gal gallons 3.785 liters L L liters 0.264 gallons gal ft3 cubic feet 0.028 meters cubed m3 m3 meters cubed 35.315 cubic feet ft3 yd3 cubic yards 0.765 meters cubed m3 m3 meters cubed 1.308 cubic yards yd3 NOTE: Volumes greater than 1000 L shall be shown in m3. MASS MASS oz ounces 28.35 grams g g grams 0.035 ounces oz lb pounds 0.454 kilograms kg kg kilograms 2.205 pounds lb T short tons (2000 lb) 0.907 megagrams Mg Mg megagrams 1.102 short tons (2000 lb) T TEMPERATURE (exact) TEMPERATURE (exact) °F Fahrenheit (F-32)/1.8 Celsius °C °C Celsius 1.8C+32 Fahrenheit °F *SI is the symbol for the International System of Measurement ACKNOWLEDGEMENTS The author would like to thank the members of the ODOT Research Section for their advice and assistance in the preparation of this report. Technical Advisory Committee Members: Matthew Mabey, Chair, Oregon Department of Transportation Bart Bretherton, Oregon Department of Transportation Michele Eraut, Federal Highway Administration Russell Frost, Oregon Department of Transportation Don Lewis, Oregon Department of Geology and Mineral Industries Jeff Moore, Oregon Department of Transportation Richard Young, Oregon Department of Transportation Friends of Committee: Jennie Armstrong, Oregon Department of Transportation David Brooks, Oregon Department of Transportation Kim Willoughby, Washington Department of Transportation Also, the author would like to thank Mark Ferns, Jason McClaughry, Tom Wiley, Ian Madin, Shane Brodie, and Carol DuVernois, Oregon Department of Geology and Mineral Industries. DISCLAIMER This document is disseminated under the sponsorship of the Oregon Department of Transportation and the United States Department of Transportation in the interest of information exchange. The State of Oregon and the United States Government assume no liability of its contents or use thereof. The contents of this report reflect the view of the authors who are solely responsible for the facts and accuracy of the material presented. The contents do not necessarily reflect the official views of the Oregon Department of Transportation or the United States Department of Transportation. The State of Oregon and the United States Government do not endorse products of manufacturers. Trademarks or manufacturers’ names appear herein only because they are considered essential to the object of this document. This report does not constitute a standard, specification, or regulation. iii iv TABLE OF CONTENTS 1.0 INTRODUCTION............................................................................................................. 1 1.1 PROBLEM STATEMENT ..................................................................................................... 1 1.2 PURPOSE .......................................................................................................................... 2 1.3 OBJECTIVES ..................................................................................................................... 2 1.4 WORK SCOPE ................................................................................................................... 2 2.0 DATA COLLECTION AND INTEGRATION.............................................................. 5 2.1 PROJECT DATA................................................................................................................. 5 2.1.1 The Mineral Information Layer for Oregon – Release 2.......................................................................5 2.1.2 The Geoanalytical Information Layer for Oregon – Release 2 .............................................................6 2.1.3 Geothermal Information Layer for Oregon – Release 2........................................................................6 2.1.4 Soda Spring Database ...........................................................................................................................7
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