This contract is for the abatement of asbestos-containing materials, lead, mold, and other hazardous materials by persons who are knowledgeable, qualified and trained in the removal, treatment, handling and disposal of asbestos-containing material, lead, mold, and other hazardous materials and the subsequent cleaning of the affected environment. Certain services provided under these contracts may require firms and individuals to be certified or licensed by governmental or industry trade organizations.