Across
- 3. - Relating to an industry
- 5. - Structure in the ground to access water
- 8. - A compound that has been purified or prepared
- 11. - Poisonous
- 14. - Body of water above ground
- 17. - Relating to biology or living organisms
- 19. - Federal agency tasked with environmental protection matters Aquifer - Body of permeable rock that contains groundwater
- 21. - A substance used for destroying insects
- 23. - Solid mineral material forming part of the surface of the Earth
- 24. - The state of making something impure
- 25. - A microscopic organism
- 27. - Federal law in the US governing the disposal of soil and hazardous waste
- 28. - Drainage system incorporating a septic tank
Down
- 1. - The process of oxidizing
- 2. - Water that exists underground beneath the land surface
- 4. - The act of making a liquid more dilute
- 6. - Federal environmental program established by the Environmental Protection Agency
- 7. - Contaminant compound
- 9. - Dangerous
- 10. - Federal law to ensure safe drinking water for the public
- 12. - A substance capable of causing cancer in living tissue
- 13. - The introduction of harmful materials into the environment
- 14. - Mixture of materials, organisms, air, and water
- 15. - A chemical/natural substance added to soil to increase fertility
- 16. - A place to dispose of waste materials
- 18. - Loss of contents
- 20. - The science of farming
- 22. - Where coastal water and freshwater mix
- 26. - Rain, snow, sleet