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Environmental Reference Standards
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Individual Surrogate and Internal Standards for EPA Methods
608 Calibration Mix
aldrin
alpha-BHC
ß-BHC
delta-BHC
gamma-BHC (lindane)
4,4'-DDD
4,4'-DDE
4,4'-DDT
dieldrin
endosulfan I
endosulfan II
endosulfan sulfate
endrin
endrin aldehyde
heptachlor
heptachlor epoxide (isomer B)
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