1. Minnesota First Detectors What’s in Your Woodpile?

2. Minnesota First Detectors Firewood Regulations EAB quarantine = restrictions on regulated articles Hardwood firewood = regulated article Regulated articles cannot be moved out of quarantined areas unless accompanied by a MDA certificate

3. Minnesota First Detectors Firewood Regulations Quarantined Counties

4. Minnesota First Detectors Firewood Regulations Quarantined Counties

5. Minnesota First Detectors Firewood Regulations MDA certificates require an active compliance agreement with the MDA or USDA Under the conditions of a compliance agreement, certificates may be issued for firewood that has been heat treated to specific temperatures in a kiln to render it safe MDA certified firewood is allowed to move freely around the state

6. Minnesota First Detectors DNR-approved Firewood Required on State- Owned Land DNR lands have additional firewood regulations. Regardless of any quarantines, firewood must be either: Obtained from a firewood distribution facility on State-owned land, or Obtained from a firewood dealer approved by the DNR commissioner (with receipt)

7. Minnesota First Detectors

9. Softwood versus Hardwood Softwoods have Tracheids (fibers), No Vessels (pores). Many have Resin Canals. Resin Canals

10. Minnesota First Detectors Softwoods versus Hardwoods Hardwoods have Fibers and Pores Pores

11. Minnesota First Detectors Ring Porous versus Diffuse Porous Large Pores in Earlywood and Small Pores in Latewood = Ring Porous Hardwood Large, obvious lines are Earlywood. Smaller,darker heartwood or lighter sapwood lines are Latewood.

12. Minnesota First Detectors Ring Porous Wood: Black Ash

13. Minnesota First Detectors Ring Porous Wood: Green Ash

14. Minnesota First Detectors Ring Porous Wood: Bur Oak

15. Minnesota First Detectors Ring Porous Wood: American Elm

16. Minnesota First Detectors Semi Ring Porous: Black Walnut

17. Minnesota First Detectors Ring Porous versus Diffuse Porous Pores about same size and distributed evenly throughout growth ring = Diffuse Porous.

18. Minnesota First Detectors Diffuse Porous Wood: Basswood

19. Minnesota First Detectors Diffuse Porous Wood: Boxelder

20. Minnesota First Detectors Diffuse Porous Wood: Big Toothed Aspen

21. Minnesota First Detectors “Other” Features: Elm Bark Cross-Section Layered Bark of American and Rock Elm

22. Minnesota First Detectors “Other” Features: Long-Grain of Elm

23. Minnesota First Detectors “Other” Features of Oak: Rays Rays

24. Minnesota First Detectors Versus, No Rays in Ash Cracks or Checks, but not Rays

25. Minnesota First Detectors “Other” Features: Elm and Hackberry Both Have Wavy (tire track) summerwood Hackberry American Elm

26. Minnesota First Detectors “Other” Features: Elm and Hackberry Hackberry has Corky Ridges on Bark, no Layered Cross-Section

27. Minnesota First Detectors “Other” Features: Red vs. White Oak Sodium Nitrite turns White Oak Heart Wood Blue to Purple

28. Minnesota First Detectors “Other” Features: Black Walnut Medium brown to dark chocolate heartwood.

29. Minnesota First Detectors Let’s Quiz the Log Splitter!

30. Minnesota First Detectors Which log is hardwood?

31. Minnesota First Detectors Which log is hardwood? 1. Log on the left 2. Log on the right Response Counter

32. Minnesota First Detectors What is this?

33. Minnesota First Detectors What is this? 1. Oak 2. Ash 3. Walnut 4. It’s hardwood; that’s all I need to know. 5. I don’t know. Response Counter

34. Minnesota First Detectors What is this?

35. Minnesota First Detectors What is this? 1. Maple 2. Oak 3. Walnut 4. Pine 5. Don’t know. Response Counter

36. Minnesota First Detectors What is It?

37. Minnesota First Detectors What is it? 1. Hackberry 2. Chokecherry 3. Crabapple 4. River Birch 5. Chokeberry Response Counter

38. Minnesota First Detectors What is It?

39. Minnesota First Detectors What is it? 1. Birch 2. Cottonwood 3. Big-Toothed Aspen 4. Silver Maple 5. Black Cherry Response Counter

40. Minnesota First Detectors What is It?

41. Minnesota First Detectors What is it? 1. Black Walnut 2. Buckthorn 3. Bur Oak 4. Boxelder 5. Ironwood Response Counter

42. Minnesota First Detectors What is It?

43. Minnesota First Detectors What Is It? 1. Cottonwood 2. Green Ash 3. Hackberry 4. Elm 5. Linden Response Counter

44. Minnesota First Detectors What is It?

45. Minnesota First Detectors What is it? 1. Elm 2. Boxelder 3. Silver Maple 4. Ironwood 5. Linden

46. Minnesota First Detectors What is It?

47. Minnesota First Detectors What is it? 1. Black Pine 2. Black Cherry 3. Austrian Pine 4. Douglas Fir 5. White Cedar

48. Minnesota First Detectors What is It?

49. Minnesota First Detectors What is it? 1. Linden 2. Sugar Maple 3. Black Ash 4. Elm 5. Green Ash

50. Minnesota First Detectors