| Table 6: 1983 NRDC Analysis of Green Coffee Beans with More
Precise Techniques for Pesticide Residue Detection | 
                
                  | Origin of Bean | Pesticide Detected | Amount Detected (ppm) | Detection Limit | Tolerance (i.e., legally allowable level) | 
                
                  | Colombian | BHC Aldrin
 DDT
 | 0.001 0.001
 0.002
 | 0.001 0.001
 0.001
 | None None
 None
 | 
                
                  | Guatemalan | BHC Lindane
 BHC
 | 0.002 0.003
 0.002
 | 0.001 0.001
 0.001
 | None None
 None
 | 
                
                  | Brazilian | BHC BHC
 Lindane
 BHC
 Aldrin
 DDE
 DDD
 DDT
 Chlordane
 | 0.008 0.002
 0.003
 0.003
 0.001
 0.001
 0.001
 0.012
 0.009
 | 0.001 0.001
 0.001
 0.001
 0.001
 0.001
 0.001
 0.001
 0.005
 | None None
 None
 None
 None
 None
 None
 None
 None
 | 
                
                  | Haitian | BHC BHC
 DDD
 DDT
 | 0.001 0.001
 0.001
 0.019
 | 0.001 0.001
 0.001
 0.001
 | None None
 None
 None
 | 
                
                  | Source: Shelley A. Hearne, Harvest
of Unknowns: Pesticide Contamination in Imported Foods (New York: Natural
Resources Defense Council, 1984). |