Environmental Protection Agency

1. EnvironmentalProtectionAgency Mold Remediation in Schools and Commercial Buildings, March 2001

3. Wallboard, Drywall & Gypsum(Action within 24 – 48 hrs.) vMay be dried in place if there is no swelling and the seams are intact. If not, then discard and replace. vVentilate wall cavity.

4. Wallboard, Drywall & Gypsum(Remediation of Mold Growth after 48 hrs.)

5. Wallboard, Drywall & Gypsum(Remediation of Mold Growth after 48 hrs.)

6. Wallboard, Drywall & Gypsum(Remediation of Mold Growth after 48 hrs.) Less than 10 ft2 Clean-up Methods – Use a HEPA vacuum once the material has been thoroughly dried. Dispose of HEPA vacuum contents in well- sealed plastic bags. PPE – Minimum .. Gloves, N95 respirator, goggle/ eye protection. Containment – Not Required.

7. Wallboard, Drywall & Gypsum(Remediation of Mold Growth after 48 hrs.) Between 10 ft2 and 100 ft2 Clean-up Methods – Use a HEPA vacuum once the material has been thoroughly dispose of HEPA vacuum contents in well-sealed plastic bags. Remove water-damaged materials and seal in plastic bags inside the containment area, if there is one. Dispose of as normal waste. HEPA-vacuum area once it is dried.

8. Wallboard, Drywall & Gypsum(Remediation of Mold Growth after 48 hrs.) Between 10 ft2 and 100 ft2 PPE – Limited .. Gloves, N95 respirator or half-face respirator with HEPA/P100 filters, disposable overalls, goggle/eye protection. Or,Full .. Gloves, full-face respirator with HEPA/P100 filters, disposable full-body clothing, foot coverings, head gear, goggle/eye protection.

9. Wallboard, Drywall & Gypsum(Remediation of Mold Growth after 48 hrs.) Between 10 ft2 and 100 ft2 cont’d Containment – Limited .. From floor to ceiling, enclose affected area in poly sheeting with slit entry and covering flap. Maintain area under negative pressure with HEPA-filtered fan. Block supply and return air vents in containment area.

10. Wallboard, Drywall & Gypsum(Remediation of Mold Growth after 48 hrs.) Greater than 100 ft2 Clean-up Methods – Use a HEPA vacuum once the material has been thoroughly dried. Dispose of HEPA vacuum contents in well-sealed plastic bags. Remove water-damaged materials and seal in plastic bags inside the containment area, if there is one. Dispose of as normal waste. HEPA-vacuum area once it is dried.

11. Wallboard, Drywall & Gypsum(Remediation of Mold Growth after 48 hrs.) Greater than 100 ft2 cont’d PPE -- Full.. Gloves, full-face respirator with HEPA/P100 filters, disposable full-body clothing, foot coverings, head gear, goggle/eye protection. Containment – Containment -- Full .. Use 2 layers of fire-retardant poly sheeting with one airlock chamber. Maintain area under negative pressure with HEPA-filtered fan exhausted outside the building. Block supply and return air vents in contained area.

12. Wallboard, Drywall & Gypsum(Remediation of Mold Growth after 48 hrs.) Greater than 100 ft2 cont’d …

13. Wood Surfaces(Action within 24 – 48 hrs.) vRemove water with water-extraction system. vReduce humidity levels with dehumidifiers. Accelerate drying process with fans and/or heaters. !Don’t use heat to dry carpet. !Use caution applying heat to hardwood floors. v

14. Wood Surfaces(Action within 24 – 48 hrs.) vFor all treated and finished woods, porous (linoleum, ceramic tile, vinyl) and non-porous (metal, plastic) hard surfaces, vacuum and damp-wipe with water or water and mild detergent and allow to dry; scrub if necessary. v Wet paneling should be pried away from walls for drying.

15. Wood Surfaces(Remediation of Mold Growth after 48 hrs.)

16. Wood Surfaces(Remediation of Mold Growth after 48 hrs.)

17. Wood Surfaces(Remediation of Mold Growth after 48 hrs.)

18. Wood Surfaces(Remediation of Mold Growth after 48 hrs.) Less than 10 ft2 Clean-up Methods – Wet-vacuum the material. In porous material, some mold spores/fragments will remain but will not grow if materials are completely dried. Steam cleaning may be an alternative for carpets and some upholstered furniture.Damp-wipe surfaces with water or with water and detergent solution. (except wood – use wood floor cleaner); scrub as needed. Use a HEPA vacuum once the material has been thoroughly dried. Dispose of HEPA vacuum contents in well-sealed plastic bags. PPE – Minimum .. Gloves, N95 respirator goggle/eye protection. Containment – Not Required.

19. Wood Surfaces(Remediation of Mold Growth after 48 hrs.) Between 10 ft2 and 100 ft2 Clean-up Methods – Wet-vacuum the material. In porous material, some mold spores/fragments will remain but will not grow if materials are completely dried. Steam cleaning may be an alternative for carpets and some upholstered furniture.Damp-wipe surfaces with water or with water and detergent solution. (except wood – use wood floor cleaner); scrub as needed. Use a HEPA vacuum once the material has been thoroughly dried. Dispose of HEPA vacuum contents in well-sealed plastic bags. Use a HEPA vacuum once the material has been thoroughly dried. Dispose of HEPA vacuum contents in well-sealed plastic bags.

20. Wood Surfaces(Remediation of Mold Growth after 48 hrs.) Between 10 ft2 and 100 ft2 PPE – Limited .. Gloves, N95 respirator or half-face respirator with HEPA/P100 filters, disposable overalls, goggle/eye protection. Or,Full .. Gloves, full-face respirator with HEPA/P100 filters, disposable full-body clothing, foot coverings, head gear, goggle/eye protection. Containment – Limited .. From floor to ceiling, enclose affected area in poly sheeting with slit entry and covering flap. Maintain area under negative pressure with HEPA-filtered fan. Block supply and return air vents in containment area.

21. Wood Surfaces(Remediation of Mold Growth after 48 hrs.) Greater than 100 ft2 Clean-up Methods – Wet-vacuum the material. In porous material, some mold spores/fragments will remain but will not grow if materials are completely dried. Steam cleaning may be an alternative for carpets and some upholstered furniture.Damp-wipe surfaces with water or with water and detergent solution. (except wood – use wood floor cleaner); scrub as needed. Use a HEPA vacuum once the material has been thoroughly dried. Dispose of HEPA vacuum contents in well-sealed plastic bags. Remove water-damaged materials and seal in plastic bags inside the containment area, if there is one. Dispose of as normal waste. HEPA-vacuum area once it is dried.

22. Wood Surfaces(Remediation of Mold Growth after 48 hrs.) Greater than 100 ft2 PPE -- Full.. Gloves, full-face respirator with HEPA/ P100 filters, disposable full-body clothing, foot coverings, head gear, goggle/eye protection. Containment – Full .. Use 2 layers of fire-retardant poly sheeting with one airlock chamber. Maintain area under negative pressure with HEPA-filtered fan exhausted outside the building. Block supply and return air vents in contained area.

23. Wood Surfaces(Remediation of Mold Growth after 48 hrs.) Greater than 100 ft2

24. Hard Surfaces, Porous & Non-porous(Action within 24 – 48 hrs.) vFor all treated and finished woods, porous (linoleum, ceramic tile, vinyl) and non-porous (metal, plastic) hard surfaces, vacuum and damp-wipe with water or water and mild detergent and allow to dry; scrub if necessary. vFor porous flooring and carpets, make sure that subfloor is dry. If necessary, clean and dry subfloor material according to these guidelines.

26. Hard Surfaces, Porous & Non-porous(Remediation of Mold Growth after 48 hrs.) Less than 10 ft2 Clean-up Methods – Wet-vacuum the material. In porous material, some mold spores/fragments will remain but will not grow if materials are completely dried. Steam cleaning may be an alternative for carpets and some upholstered furniture.Damp-wipe surfaces with water or with water and detergent solution. (except wood – use wood floor cleaner); scrub as needed. Use a HEPA vacuum once the material has been thoroughly dried. Dispose of HEPA vacuum contents in well-sealed plastic bags. PPE – Minimum .. Gloves, N95 respirator, goggle/eye protection. Containment – Not Required.

27. Hard Surfaces, Porous & Non-porous(Remediation of Mold Growth after 48 hrs.) Between 10 ft2 and 100 ft2 Clean-up Methods – Wet-vacuum the material. In porous material, some mold spores/fragments will remain but will not grow if materials are completely dried. Steam cleaning may be an alternative for carpets and some upholstered furniture.Damp-wipe surfaces with water or with water and detergent solution. (except wood – use wood floor cleaner); scrub as needed. Use a HEPA vacuum once the material has been thoroughly dried. Dispose of HEPA vacuum contents in well-sealed plastic bags. Use a HEPA vacuum once the material has been thoroughly dried. Dispose of HEPA vacuum contents in well-sealed plastic bags.

28. Hard Surfaces, Porous & Non-porous (Remediation of Mold Growth after 48 hrs.) Between 10 ft2 and 100 ft2 PPE – Limited .. Gloves, N95 respirator or half-face respirator with HEPA/P100 filters, disposable overalls, goggle/eye protection. Or,Full .. Gloves, full-face respirator with HEPA/P100 filters, disposable full-body clothing, foot coverings, head gear, goggle/ eye protection. Containment – Limited .. From floor to ceiling, enclose affected area in poly sheeting with slit entry and covering flap. Maintain area under negative pressure with HEPA-filtered fan. Block supply and return air vents in containment area.

29. Hard Surfaces, Porous & Non-porous (Remediation of Mold Growth after 48 hrs.) Greater than 100 ft2 Clean-up Methods – Wet-vacuum the material. In porous material, some mold spores/fragments will remain but will not grow if materials are completely dried. Steam cleaning may be an alternative for carpets and some upholstered furniture.Damp-wipe surfaces with water or with water and detergent solution. (except wood – use wood floor cleaner); scrub as needed. Use a HEPA vacuum once the material has been thoroughly dried. Dispose of HEPA vacuum contents in well-sealed plastic bags. Remove water-damaged materials and seal in plastic bags inside the containment area, if there is one. Dispose of as normal waste. HEPA-vacuum area once it is dried.

30. Hard Surfaces, Porous & Non-porous (Remediation of Mold Growth after 48 hrs.) Greater than 100 ft2 PPE -- Full.. Gloves, full-face respirator with HEPA/P100 filters, disposable full-body clothing, foot coverings, head gear, goggle/eye protection. Containment – Full .. Use 2 layers of fire-retardant poly sheeting with one airlock chamber. Maintain area under negative pressure with HEPA-filtered fan exhausted outside the building. Block supply and return air vents in contained area.

31. Carpet & Backing

32. Carpet & Backing(Action within 24 – 48 hrs.) vRemove water with water-extraction system. vReduce humidity levels with dehumidifiers. v Accelerate drying process with fans and/or heaters. !Don’t use heat to dry carpet. !Use caution applying heat to hardwood floors. vFor porous flooring and carpets, make sure that subfloor is dry. If necessary, clean and dry subfloor material according to these guidelines.

33. Carpet and Backing(Remediation of Mold Growth after 48 hrs.) Less than 10 ft2 Clean-up Methods – Wet-vacuum the material. In porous material, some mold spores/fragments will remain but will not grow if materials are completely dried. Steam cleaning may be an alternative for carpets and some upholstered furniture. Use a HEPA vacuum once the material has been thoroughly dried. Dispose of HEPA vacuum contents in well-sealed plastic bags. PPE – Minimum .. Gloves, N95 respirator, goggle/eye protection. Containment – Not Required.

34. Carpet and Backing(Remediation of Mold Growth after 48 hrs.) Between 10 ft2 and 100 ft2 Clean-up Methods – Wet-vacuum the material. In porous material, some mold spores/fragments will remain but will not grow if materials are completely dried. Steam cleaning may be an alternative for carpets and some upholstered furniture. Use a HEPA vacuum once the material has been thoroughly dried. Dispose of HEPA vacuum contents in well-sealed plastic bags. Use a HEPA vacuum once the material has been thoroughly dried. Dispose of HEPA vacuum contents in well-sealed plastic bags. Remove water-damaged materials and seal in plastic bags inside contaminated area, if there is one. Dispose of as normal waste. HEPA-vacuum area once dried.

35. Carpet and Backing(Remediation of Mold Growth after 48 hrs.) Between 10 ft2 and 100 ft2 PPE – Minimum .. Gloves, N95 respirator, goggle/eye protection. Or--Limited .. Gloves, N95 respirator or half-face respirator with HEPA/P100 filters, disposable overalls, goggle/eye protection. Containment – Limited .. From floor to ceiling, enclose affected area in poly sheeting with slit entry and covering flap. Maintain area under negative pressure with HEPA-filtered fan. Block supply and return air vents in containment area.

36. Carpet and Backing(Remediation of Mold Growth after 48 hrs.) Greater than 100 ft2 Clean-up Methods – Wet-vacuum the material. In porous material, some mold spores/fragments will remain but will not grow if materials are completely dried. Steam cleaning may be an alternative for carpets and some upholstered furniture.Use a HEPA vacuum once the material has been thoroughly dried. Dispose of HEPA vacuum contents in well-sealed plastic bags. Remove water-damaged materials and seal in plastic bags inside the containment area, if there is one. Dispose of as normal waste. HEPA-vacuum area once it is dried.

37. Carpet and Backing(Remediation of Mold Growth after 48 hrs.) Greater than 100 ft2 PPE -- Full.. Gloves, full-face respirator with HEPA/P100 filters, disposable full-body clothing, foot coverings, head gear, goggle/eye protection. Containment – Full .. Use 2 layers of fire-retardant poly sheeting with one airlock chamber. Maintain area under negative pressure with HEPA-filtered fan exhausted outside the building. Block supply and return air vents in contained area.

38. Carpet & Backing

39. Ceiling Tiles & Insulation

40. Ceiling Tiles & Insulation(Action within 24 – 48 hrs.) vDiscard and Replace.

41. Ceiling Tiles and Insulation(Remediation of Mold Growth after 48 hrs.) Less than 10 ft2 Clean-up Methods – Remove water-damaged materials and seal in plastic bags inside the containment area, if there is one. Dispose of as normal waste. HEPA-vacuum area Once it is dried. PPE – Minimum .. Gloves, N95 respirator, goggle/ eye protection. Containment – Not Required.

42. Ceiling Tiles and Insulation(Remediation of Mold Growth after 48 hrs.) Between 10 ft2 and 100 ft2 Clean-up Methods – Remove water-damaged materials and seal in plastic bags inside contaminated area, if there is one. Dispose of as normal waste. HEPA-vacuum area once dried. PPE – Limited .. Gloves, N95 respirator or half-face respirator with HEPA/P100 filters, disposable overalls, goggle/eye protection.Or,Full .. Gloves, full-face respirator with HEPA/P100 filters, disposable full-body clothing, foot coverings, head gear, goggle/eye protection. Containment – Limited .. From floor to ceiling, enclose affected area in poly sheeting with slit entry and covering flap. Maintain area under negative pressure with HEPA-filtered fan. Block supply and return air vents in containment area.

43. Ceiling Tiles and Insulation(Remediation of Mold Growth after 48 hrs.)

44. Concrete and Cinder Block(Action within 24 – 48 hrs.) vRemove water with water-extraction system. Accelerate drying process with fans and/or heaters. !Don’t use heat to dry carpet. !Use caution applying heat to hardwood floors. v

45. Concrete and Cinder Block(Remediation of Mold Growth after 48 hrs.)

46. Concrete and Cinder Block(Remediation of Mold Growth after 48 hrs.) Less than 10 ft2 Clean-up Methods – Wet-vacuum the material. In porous material, some mold spores/fragments will remain but will not grow if materials are completely dried. Steam cleaning may be an alternative for carpets and some upholstered furniture. Use a HEPA vacuum once the material has been thoroughly dried. Dispose of HEPA vacuum contents in well-sealed plastic bags. PPE – Minimum .. Gloves, N95 respirator, goggle/eye protection. Containment – Not Required.

47. Concrete and Cinder Block(Remediation of Mold Growth after 48 hrs.) Between 10 ft2 and 100 ft2 Clean-up Methods – Wet-vacuum the material. In porous material, some mold spores/fragments will remain but will not grow if material is completely dried. Steam cleaning may be an alternative for carpets and some upholstered furniture. HEPA-vacuum once the material has been thoroughly dried. Dispose of HEPA-vacuum contents in well-sealed plastic bags.

48. Concrete and Cinder Block(Remediation of Mold Growth after 48 hrs.) Between 10 ft2 and 100 ft2 cont’d PPE – Limited .. Gloves, N95 respirator or half-face respirator with HEPA/P100 filters, disposable overalls, goggle/eye protection. Or,Full .. Gloves, full-face respirator with HEPA/ P100 filters, disposable full-body clothing, foot coverings, head gear, goggle/eye protection. Containment – Limited .. From floor to ceiling, enclose affected area in poly sheeting with slit entry and covering flap. Maintain area under negative pressure with HEPA-filtered fan. Block supply and return air vents in containment area.

49. Concrete and Cinder Blocks(Remediation of Mold Growth after 48 hrs.) Greater than 100 ft2 Clean-up Methods –Wet-vacuum the material. In porous material, some mold spores/fragments will remain but will not grow if material is completely dried. Steam cleaning may be an alternative for carpets and some upholstered furniture. HEPA-vacuum once the material has been thoroughly dried. Dispose of HEPA-vacuum contents in well-sealed plastic bags.

50. Concrete and Cinder Blocks(Remediation of Mold Growth after 48 hrs.) Greater than 100 ft2 cont’d PPE -- Full.. Gloves, full-face respirator with HEPA/P100 filters, disposable full-body clothing, foot coverings, head gear, goggle/eye protection. Containment – Full .. Use 2 layers of fire-retardant poly sheeting with one airlock chamber. Maintain area under negative pressure with HEPA-filtered fan exhausted outside the building. Block supply and return air vents in containment area.