Organic Water Analysis Print
Organonitrogen Pesticides Glyphosate
Organochloride Pesticides Endothall - Ion Exchange
Chloroacid Herbicides Diquot
Aromatic SOC's PAH's
Carbamates THM's and VOC's

 

USEPA METHOD # 507-Rev.2.0 - ORGANONITROGEN PESTICIDES: GC/NPD

Sampling and Preservation Requirements - 1 x 1 Liter Glass Bottle. If chlorinated add 80 mg Na2S2O3 and cool to 4°C

Analyte MCL mg/L MDL mg/L
Alachlor 0.002 0.0002
Atrazine 0.003 0.0001
Butachlor nda  
Metolachlor nda  
Metribuzin 0.3  
Propachlor 0.1  
Simazine 0.004 0.00007

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USEPA METHOD # 508-Rev. 3.0 - ORGANOCHLORINE PESTICIDES: Microexr: GC/ECD

Sampling and Preservation Requirements - 1 x 1 Liter Glass Bottle. 80 mg Na2S2O3 and cool to 4°C

Max. Holding Time = 7 Days

Analyte MCL mg/L MDL mg/L
Aldrin 0.0003  
Chlordane 0.002 0.0002
Dieldrin 0.0005  
Endrin 0.002 0.00001
Heptachlor 0.0004 0.00004
Heptachlor epoxide 0.0002 0.00002
Hexachlorobenzene 0.001 0.0001
Hexachlorocylcopentadiene 0.05 0.0001
Lindane 0.0002 0.00002
Methoxychlor 0.04 0.0001
Polychlorinated biphenyls 0.0005 0.0001
Porpachlor 0.1  
Toxaphene 0.003 0.001

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USEPA METHOD # 515.1-Rev. 4.0 - CHLOROACID HERBICIDES: Methylation: GC-ECD

Sampling and Preservation Requirements - 1 x 1 Liter Glass Bottle. 80 mg Na2S2O3 and cool to 4°C

Max. Holding Time = 14 Days

Analyte MCL mg/L MDL mg/L
2,4-D 0.07 0.0001
2,4,5-TP (Silvex) 0.05 0.0002
Dalapon 0.2 0.001
Dicamba (Banvel) 0.001 0.001
Dinoseb 0.007 0.0002
Picloram (Tordon) 0.5 0.0001
Pentachlorophenol 0.001 0.00004

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USEPA METHOD # 525.1-Rev. 2.2 -AROMATIC SOC's: GC/MS

Sampling and Preservation Requirements - 1 x 1 Liter Glass Bottle. 40 mg Na2S2O3. Add 6N HCl to pH <2 and cool to 4°C.

Max. Holding Time = 14 Days

Analyte MCL mg/L MDL mg/L
Di(2-ethylhexyl)adipate 0.4 0.0006
2Di(2-ethylhexyl)phthalate 0.006 0.0008
Benzo[a]pyrene 0.0002 0.00002

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USEPA METHOD # 531.1-Rev. 3.0 - CARBAMATES: HPLC/PCD/FLD

Sampling and Preservation Requirements - 1 x 60 mL Glass vial. Add 0.1 mL monochloroacetic acid and 4.8 mg Na2S2O3 and cool to 4°C.

Max. Holding Time = 14 Days

Analyte MCL mg/L MDL mg/L
3-Hydroxycarbofuran nda  
Aldicarb 0.003 0.0005
Aldicarb Sulfone 0.002 0.0008
Aldicarb Sulfoxide 0.004 0.0005
Carbaryl 1  
Carbofuran 0.04 0.0009
Methomyl 0.3  
Oxamyl 0.2 0.002

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USEPA METHOD # 547 - GLYPHOSATE: HPLC/PCD/FLD

Sampling and Preservation Requirements - 1 x 60 ml Glass. 10 mg Na2S2O3 and cool to 4°C.

Max. Holding Time = 14 Days

Analyte MCL mg/L MDL mg/L
Glyphosate 0.7 0.005

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USEPA METHOD # 548.1 - Ion Exchange / methylation - GC/MS

Sampling and Preservation Requirements - 2 x 100 ml Amber Glass. 8 mg Na2S2O3 and cool to 4°C. Keep in the dark.

Max. Holding Time = 14 Days

Analyte MCL mg/L MDL mg/L
Endothall 0.1 0.009

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USEPA METHOD # 549.1-Rev. 1.0 - DIQUAT: HPLC/UV

Sampling and Preservation Requirements - 2 x 1 Liter Amber PVC. 100 mg Na2S2O3 and cool to 4°C. Keep in the dark. Add H2SO4 to pH < 2 if biological activity.

Max. Holding Time = 7 Days

Analyte MCL mg/L MDL mg/L
Diquat 0.02 0.0004

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USEPA METHOD # 550.1 - PAH's: HPLC/UV-FLD

Sampling and Preservation Requirements - 1 x 1 Liter Amber Glass. 100 mg Na2S2O3 and cool to 4°C. Add 6N HCl to pH <2. Keep in the dark.

Max. Holding Time = 7 Days

Analyte MCL mg/L MDL mg/L
Benzo[a]pyrene 0.0002 0.00002

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USEPA METHOD # 502.2 - THM's and VOC's: Purge and Trap GC-ECD

Sampling and Preservation Requirements - 3 x 40ml Septum Vials. 3mg Na2S2O3 or 25mg Ascorbic Acid plus 1 drop 6N HCl.

Method Detection Limit (MDL) = 0.0005 mg/L for each analyte

Max. Holding Time = 14 Days

Analyte Regulated VOC's MCL mg/L Analyte Unregulated VOC's Proposed MCL mg/L
Benzene 0.005 Bromobenzene  
Carbon tetrachloride 0.005 Bromomethane  
1,2-Dichloroethane 0.005 Chlorobenzene  
1,1-Dichloroethane 0.007 Chloroethane  
1,2-Dichlorobenzene 0.6 Chloromethane  
1,4-Dichlorobenzene 0.075 o-Chlorotoluene  
cis-1,2-Dichloroethylene 0.07 p-Chlorotoluene  
trans-1,2-Dichloroethylene 0.1 Dibromomethane  
Dichloromethane 0.005 m-Dichlorobenzene  
1,2-Dichloropropane 0.005 1,1-Dichloroethane  
Ethylbenezene 0.7 1,3-Dichloropropane  
Monochlorobenzene 0.1 2,2-Dichloropropane  
Styrene 0.1 1,1-Dichloropropne  
Tetrachloroethylene 0.005 cis-1,3-Dichloropropene  
1,2,4-Trichlorobenzene 0.07 trans-1,3-Dichloropropene  
1,1,1-Trichloroethane 0.2 1,1,1,2-Tetrachloroethane 0.005
1,1,2-Trichloroethane 0.005 1,1,2,2,-Tetrachloroethane  
Trichloroethylene 0.005 1,2,3-Trichloropropane  
Toluene 1 Bromochloromethane  
Vinyl chloride 0.002 n-butylbenzene  
Xylenes, Total 10 sec-butylbenzene  
    tert-butylbenzene  
    Dichlorodifluoromethane  
    Fluorotrichloromethane  
    Hexachlorobutadiene  
    Isopropylbenzene  
    p-isopropyltoluene  
    Napthalene  
    p-propylbenzene  
    1,2,3-trichlorobenzene  
    1,2,4-trichlorobenzene  
    1,2,4-trimethylbenzene  
    1,3,5-trimethylbenzene  

THM's MCL mg/L
Chloroform  
Bromodichloromethane  
Chlorodibromomethane  
Bromoform  
Total Trihalomethanes 0.100 Total

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