Across
- 4. mineral that causes health problems in building material
- 5. exposure for 1-3 months
- 7. two chemicals that interfere with each other
- 9. chemical causes a non toxic chemical to be toxic
- 12. exposed for less than a day
- 13. toxicology study on individual
- 15. effect equal to individual effects added together
- 16. for example lead
- 17. crucial to environmental health research
- 20. mineral that causes health problems and is found in ground water
Down
- 1. birth defects
- 2. cancer causing
- 3. exposure for less than a month
- 6. man man toxic substance
- 8. living organism toxic substance
- 10. toxicology focusing on communities
- 11. time period between initial exposure and measurable response
- 14. together greater than individual effects
- 18. exposure for more than 3 months
- 19. lethal dose