Fannie Mae Selling Guide B4-2.1-05 — Unacceptable Environmental Hazards

Fannie Mae Selling Guide B4-2.1-05 — Unacceptable Environmental Hazards

B4-2.1-05, Unacceptable Environmental Hazards (06/03/2020) Introduction This topic contains information on unacceptable environmental hazards, including: Overview Published May 6, 2026 652 Unacceptable Environmental Hazards Overview The existence of one or more unacceptable environmental hazards generally will result in a project being ineligible. In addition, some properties that fail to meet a particular standard may be corrected through remedial action. See B4-2.1-06, Remedial Actions for Environmental Hazard Assessments Below Standards. Unacceptable Environmental Hazards The table below describes examples of unacceptable environmental hazards; however, this list is not exhaustive. ✓ Examples of Unacceptable Environmental Hazards a property that is (or has been) used as a landfill or other solid, hazardous, or municipal waste disposal site a property that is (or has been) used for activity related to the storage of oil, hazardous waste, or other toxic substances—except that the property may have been used for the storage of small quantities of hazardous substances that are generally recognized as appropriate for residential uses and maintenance of the property a property that is the subject of outstanding environmental or public health litigation or administrative action from private parties or public officials a high-risk neighboring property that has evidence of hazardous waste spills or soil or groundwater contamination on or around its site a property that has documented soil or groundwater contamination and/or a documented tank leak that is leaking at more than 0.05 gallons per hour (which is the National Fire Protection Association’s standard) Published May 6, 2026 653 ✓ Examples of Unacceptable Environmental Hazards a property with soil sampling that has values for metal in excess of the following concentration limits in parts per million (ppm): • chromium: 100 ppm • arsenic: 20 ppm • zinc: 350 ppm • cadmium: 3 ppm • lead: 100 ppm • nickel: 100 ppm • copper: 170 ppm • selenium: 20 ppm a property that is contaminated from polychlorinated biphenyls (PCBs) a property with soil sampling that has values for other organic materials in excess of the following concentration limits in parts per million (ppm): • total volatile organics: 1 ppm • total hydrocarbons: 100 ppm • total petroleum hydrocarbons: 100 ppm a property with groundwater sampling that has values for other organic materials in excess of the following concentration limits in parts per million: • total organics (volatiles and base neutrals): 0.10 ppm • total petroleum hydrocarbons: 1.00 ppm a property with groundwater sampling that has values for metals in excess of the following concentration limits in parts per million: • arsenic: 0.05 ppm • lead: 0.05 ppm • boron: 1.00 ppm • mercury: 0.002 ppm • cadmium: 0.01 ppm • selenium: 0.01 ppm • chromium: 0.05 ppm • silver: 0.05 ppm a property with high radon levels (e.g., above four picocuries per liter) that can be corrected only through large capital improvements or extensive ongoing maintenance programs that are beyond the financial or technical abilities of the HOA or co-op corporation for the project Published May 6, 2026 654 ✓ Examples of Unacceptable Environmental Hazards a property that has conditions representing material violations of applicable local, state, or federal environmental or public health statutes and laws a property that is contaminated by friable asbestos-containing materials Recent Related Announcements The table below provides references to recently issued Announcements that are related to this topic. Announcements Issue Date Announcement SEL-2020-03 June 03, 2020

Source: Fannie Mae Selling Guide B4-2.1-05 — Unacceptable Environmental Hazards · source URL · snapshot 5f7b8b79da595d76