← All contactsHairston, Nicole A.Hairston.Nicole@epa.gov · 1 award · $63,676,799 totalAwards?Sort:Date▼AmountR--Region 4 Superfund Technical Assessment & ResponseENVIRONMENTAL PROTECTION AGENCY / ENVIRONMENTAL PROTECTION AGENCY → TETRA TECH, INC. 1955 EVERGREEN BLVD STE 300 Duluth GA 30096 USAprimary68HERF26D0013Environmental Consulting Services$63,676,799—