Appendix E
APPENDIX E
Nassau County Department of Health
Bureau of Environmental Protection
Pesticide Monitoring Program in Nassau County
Sources of Pesticides Detected in Nassau County Wells - 2001
Chlorothalonil
- Controls fungus on beans, carrots,
- Controls fungus on beans, carrots, celery, corn, conifers and peanuts
- Can contaminate groundwater after normalprescribed application
- (According to U.S. Govt. Accounting Office)
- Most frequently applied fungicide to Long Island Golf Courses
- Frequently used for turf and ornamental plants in Nassau County
DBCP (1,2-Dibromo-3-Chloropropane)
- Controls nematodes on berries, citrus, melons and nuts
- Low to medium potential to be transformed; high potential to be transported
- Registration cancelled (banned) by E.P.A.
Desethylatrazine (Atrazine)
- Controls many annual broadleaf weeds and certain grasses in corn, sorghum and citrus
- Also used for general weed control on non-cropped industrial land
- Second most common pesticide detected in CWS
- Low potential to be transformed; high potential to be transported
Dieldrin
- Controls soil insects such as locusts
- Registration banned by E.P.A.
EDB (1,2-Dibromoethane, Ethylene dibromide)
- Controls insects in soil, stored products, fruits and vegetables and nematodes in soil
- Used as an additive in leaded gasoline
- Medium potential to be transformed; high potential to be transported
- Registration banned by E.P.A.
Metalaxyl
- Controls fungus on potatoes (potato late blight)
- Eighth most applied fungicide to Long Island Golf Courses
- Being reviewed by the E.P.A. for carcinogenicity
Prometon
- Controls perennials, broadleaf weeds and grasses in non-crop areas
- High potential to be transported; medium potential to be transformed
- Can contaminate groundwater after normal prescribed application
- Applied to Long Island Golf Courses
TCPA (Tetrachloroterephthalic acid)
- Controls many annual grasses and broadleaf weeds
- A breakdown product (metabolite) of Dacthal
- Extensively used on home lawns, golf courses and farms
Triadimefon
- Sixth most applied fungicide to Long Island Golf Courses
- Frequently used for turf in Nassau County