News and Developments

1. DHL Analytical is currently certified by DOD-ELAP.
2. DHL Analytical has develoiped a TCEQ/NELAC certified GC/MS method for chlorinated pesticides and O,P-Pesticides that meets TCEQ PCL limits.

Organochlorine Pesticides by GC/MS

	Water		Soil
Analyte	MDL	PQL	MDL	PQL
4,4´-DDD	0.01	0.03	0.002	0.006
4,4´-DDE	0.01	0.03	0.002	0.006
4,4´-DDT	0.01	0.03	0.002	0.006
Aldrin	0.01	0.03	0.002	0.006
alpha-BHC	0.01	0.03	0.002	0.006
alpha-Chlordane	0.01	0.03	0.002	0.006
beta-BHC	0.01	0.03	0.002	0.006
Chlordane	0.06	0.2	0.01	0.03
delta-BHC	0.01	0.03	0.002	0.006
Dieldrin	0.01	0.03	0.002	0.006
Endosulfan I	0.01	0.03	0.002	0.006
Endosulfan II	0.01	0.03	0.002	0.006
Endosulfan sulfate	0.01	0.03	0.002	0.006
Endrin	0.01	0.03	0.002	0.006
Endrin aldehyde	0.01	0.03	0.002	0.006
Endrin ketone	0.01	0.03	0.002	0.006
gamma-BHC	0.01	0.03	0.002	0.006
gamma-Chlordane	0.01	0.03	0.002	0.006
Heptachlor	0.01	0.03	0.002	0.006
Heptachlor epoxide	0.01	0.03	0.002	0.006
Isodrin	0.01	0.03	0.002	0.006
Methoxychlor	0.01	0.05	0.002	0.05
Toxaphene	0.4	1.25	0.08	0.25

Organophosphorus Pesticides by GC/MS

	Water		Soil
Analyte	MDL	PQL	MDL	PQL
Aspon	0.01	0.03	0.002	0.006
Atrazine	0.01	0.03	0.002	0.006
Azinphos-methyl	0.01	0.03	0.002	0.006
Bolstar	0.01	0.03	0.002	0.006
Carbaryl	0.01	0.03	0.002	0.006
Carbophenothion	0.01	0.03	0.002	0.006
Chlorfenvinphos	0.01	0.03	0.002	0.006
Chlorpyrifos	0.01	0.03	0.002	0.006
Chlorpyrifos methyl	0.01	0.03	0.002	0.006
Coumaphos	0.01	0.03	0.002	0.006
Crotoxyphos	0.01	0.03	0.002	0.006
Demeton-O	0.01	0.03	0.002	0.006
Demeton-S	0.01	0.03	0.002	0.006
Diazinon	0.01	0.03	0.002	0.006
Dichlofenthion	0.01	0.03	0.002	0.006
Dichlorvos	0.01	0.03	0.002	0.006
Dicrotophos	0.01	0.03	0.002	0.006
Dimethoate	0.01	0.03	0.002	0.006
Dioxathion	0.01	0.03	0.002	0.006
Disulfoton	0.01	0.03	0.002	0.006
EPN	0.01	0.03	0.002	0.006
Ethion	0.01	0.03	0.002	0.006
Ethoprophos	0.01	0.03	0.002	0.006
Famphur	0.01	0.03	0.002	0.006
Fenamiphos sulfoxide	0.01	0.03	0.002	0.006
Fenitrothion	0.01	0.03	0.002	0.006
Fensulfothion	0.01	0.03	0.002	0.006
Fenthion	0.01	0.03	0.002	0.006
Fonophos	0.01	0.03	0.002	0.006
Hexachlorophene	4	8	0.002	0.006
Leptophos	0.01	0.03	0.002	0.006
Malathion	0.01	0.03	0.002	0.006
Merphos	0.01	0.03	0.002	0.006
Merphos Breakdown	0.01	0.03	0.002	0.006
Metolachlor	0.01	0.03	0.002	0.006
Mevinphos	0.01	0.03	0.002	0.006
Monocrotophos	0.01	0.03	0.002	0.006
Naled	0.01	0.03	0.002	0.006
Parathion, ethyl	0.01	0.03	0.002	0.006
Parathion, methyl	0.01	0.03	0.002	0.006
Phorate	0.01	0.03	0.002	0.006
Phosmet	0.01	0.03	0.002	0.006
Phosphamidon	0.01	0.03	0.002	0.006
Ronnel	0.01	0.03	0.002	0.006
Terbufos	0.01	0.03	0.002	0.006
Tetrachlorvinphos	0.01	0.03	0.002	0.006
Tetraethyl dithiopyrophosphate	0.01	0.03	0.002	0.006
Tetraethyl pyrophosphate	0.01	0.03	0.002	0.006
Tokuthion	0.01	0.03	0.002	0.006
Trichloronate	0.01	0.03	0.002	0.006
Demeton, Total	0.01	0.03	0.002	0.006
Merphos, Total	0.01	0.03	0.002	0.006