New York City Department of Health Mental Hygiene

New York City Department of Health & Mental Hygiene Bureau of Environmental & Occupational Disease Epidemiology Guidelines on Assessment and Remediation of Fungi in Indoor Environments 05/1993; 04/2000; 01/2002 • 1

NYC Guidelines Executive Summary The focus of this guidance document addresses mold contamination of building components (walls, ventilation systems, support beams, etc. ) that are chronically moist or water damaged. . . • 2

NYC Guidelines Executive Summary Building materials supporting fungal growth must be remediated as rapidly as possible in order to ensure a healthy environment. Repair of defects that led to water accumulation (or elevated humidity) should be conducted in conjunction with or prior to fungal remediation. Specific methods of assessing and remediating fungal contamination should be based on the extent of visible contamination and underlying damage… • 3

NYC Guidelines Executive Summary The use of respiratory protection, gloves, and eye protection is recommended. Extensive contamination, particularly if heating, ventilating, air conditioning (HVAC) systems or large occupied spaces are involved, should be assessed by an experienced health and safety professional and remediated by personnel with training and experience handling environmentally contaminated materials. Lesser areas of contamination can usually be assessed and remediated by building maintenance personnel… • 4

NYC Guidelines Remediation The goal of remediation is to remove or clean contaminated materials in a way that prevents the emission of fungi and dust contaminated with fungal growth from leaving a work area and entering an occupied non-abatement area, while protecting the health of workers performing abatement… • 5

NYC Guidelines Remediation The use of gaseous, vapor-phase, or aerosolized biocides for remedial purposes is not recommended. The use of biocides in this manner can pose health concerns for people in occupied spaces of the building and for people returning to the treated space if used improperly. • 6

NYC Guidelines Remediation Level I < 10 ft 2 Remediation. . Maintenance Staff Personnel PPE …………. N 95, safety glasses & gloves Work Area …. . Unoccupied Adjacent ……. Occupation is acceptable, Areas but remove immunocompromised individuals • 7

NYC Guidelines Remediation Level I < 10 ft 2 Containment. . None needed; use dust suppression methods Damaged …… Sealed in bags Materials Follow-up …… Damp-wipe/mop Cleaning HVAC ………. . NA • 8

NYC Guidelines Remediation Level II 10 - 30 ft 2 Remediation. . Maintenance Staff Personnel PPE …………. N 95, safety glasses & Gloves Work Area …. . Unoccupied Adjacent ……. Occupation is acceptable, Areas but remove immunocompromised individuals • 9

NYC Guidelines Remediation Level II 10 - 30 ft 2 Containment. . Cover items with poly & taped; use dust suppression methods Damaged …… Sealed in bags Materials Follow-up …… HEPA-vacuum & damp. Cleaning wipe/mop HVAC ………. . NA • 10

NYC Guidelines Remediation Level III 30 - 100 ft 2 Remediation. . Trained Personnel PPE …………. N 95, safety glasses & Gloves Work Area …. . Unoccupied Adjacent ……. Unoccupied, and remove Areas immuno-compromised from other areas • 11

NYC Guidelines Remediation Level III 30 - 100 ft 2 Containment. . Cover items with poly & taped; use dust suppression methods Damaged …… Sealed in bags Materials Follow-up …… HEPA-vacuum & damp. Cleaning wipe/mop HVAC ………. . Seal ventilation • 12

NYC Guidelines Remediation Level IV > 100 ft 2 Remediation. . Trained Staff Personnel PPE …………. Full-face respirators with HEPA filters; disposable clothing; gloves and shoe covers Work Area …. . Unoccupied Adjacent ……. Remove immuno. Areas compromised individuals • 13

NYC Guidelines Remediation Level IV > 100 ft 2 Containment. . Full containment; negative pressure; decon room; airlocks Damaged …… Sealed in bags Materials Follow-up …… HEPA-vacuum & damp. Cleaning wipe/mop HVAC ………. . Seal ventilation from area • 14

NYC Guidelines Remediation Level IV > 100 ft 2 • 15

NYC Guidelines Remediation Level V HVAC Systems < 10 ft 2 Remediation. . Maintenance Staff Personnel PPE …………. N 95, Safety Glasses & Gloves Work Area …. . NA Adjacent ……. NA Areas • 16

NYC Guidelines Remediation Level V HVAC Systems < 10 ft 2 Containment. . Cover items with poly & use dust suppression methods Damaged …… Sealed in bags Materials Follow-up …… HEPA-vacuum & Damp. Cleaning wipe HVAC ………. . Shut down • 17

NYC Guidelines Remediation Level VI HVAC Systems > 10 ft 2 Remediation. . Trained Staff Personnel PPE …………. N 95, safety glasses & gloves > 30 ft 2, use full-face w/HEPA filters and full body covering Work Area …. . NA Adjacent ……. NA Areas • 18

NYC Guidelines Remediation Level VI HVAC Systems > 10 ft 2 Containment. . Full containment; use negative pressure & decon room; airlocks Damaged …… Sealed in bags Materials Follow-up …… HEPA-vacuum & damp. Cleaning wipe HVAC ………. . Shut down • 19

Suite 1000, 8484 Georgia Ave. Silver Spring, MD 20910 Main Phone: 301 -578 -8500 Main Fax: 301 -578 -8572 www. cpwr. com Don Ellenberger DOE & EPA Training Director DEllenberger@cpwr. com Phone: 301 -495 -8504 Fax: 301 -578 -4190 • 20