Methods analyzed by Liquid Chromatography/Mass Spectrometry

Triazine and Phenylurea Parents and Degradation Products

• Analysis Code: LCEA -
  APPROVED USGS METHOD – 0-2138-02 – OFR 02-436
• Triazines
  (0.025 µg/L reporting limit)
  • Atrazine
  • Bromacil
  • Cyanazine
  • Prometon
  • Propazine
  • Simazine
    • Deethylatrazine (DEA)
    • Deisopropylatrazine (DIA)
    • Hydroxyatrazine (HA)
    • Hydroxysimazine
    • Deethylhydroxyatrazine (DEHA)
    • Deisopropylhydroxyatrazine (DIHA)
    • Deethyldeisopropylatrazine/Didealkyatrazine (DDA)
    • Cyanazine acid (CAC)
    • Cyanazine amide (CAM)
    • Deethylcyanazine acid (DCAC)
    • Deethylcyanazine amide (DCAM)
    • Deethylcyanazine (DEC) (0.20 µg/L reporting limit)
• Phenylureas (0.20 µg/L reporting limit)
  • Diuron
  • Fluometuron
  • Linuron
    • DMFM (demethylfluometuron)
      
      
      
    • Degradation product
    • * This compound will be included in the updated Approved USGS Method

Acetamide Parents and Degradation Products – on-line extraction

• Analysis Code: LCPD
  APPROVED USGS METHOD – 0-2139-03 - OFR 03-173
  (0.02 µg/L reporting limit)

• Acetochlor
  • *Acetochlor deschloro
  • Acetochlor ESA (ethane sulfonic acid)
  • *Acetochlor hydroxy
  • Acetochlor OXA (oxanilic acid)
  • Acetochlor SAA (sulfynil acetic acid)
  • *Acetochlor/metolachlor – 2nd amide
  • Acetochlor/metolachlor ESA – 2nd amide
• Alachlor
  • *Alachlor – 2nd amide
  • *Alachlor deschloro
  • Alachlor ESA
  • *Alachlor hydroxy
  • Alachlor OXA
  • Alachlor SAA
  • Alachlor ESA – 2nd amide
• Dimethenamid
  • *Dimethenamid deschloro
  • Dimethenamid ESA
  • *Dimethenamid hydroxy
  • Dimethenamid OXA
• Flufenacet
  • Flufenacet ESA
  • Flufenacet OXA
• Metolachlor
  • *Metolachlor deschloro
  • Metolachlor ESA
  • *Metolachlor hydroxy
  • Metolachlor OXA
• Propachlor
  • Propachlor OXA
  • Propachlor ESA (0.05 µg/L reporting limit)
• Degradation product
• * This compound will be included in the updated Approved USGS Method

Glyphosate, AMPA, and Glufosinate– on-line extraction:Water

• Analysis Code: LCGY
  APPROVED USGS METHOD – 0-2136-01 - OFR 01-454
  (0.10µg/L reporting limit)

• Glyphosate
  • Aminomethylphosphonic Acid (AMPA)
• Glufosinate

Glyphosate, AMPA, and Blufosinate- on-line extraction:Soil

• Analysis Code: LCGS (reporting limit based on sample matrix)

• Glyphosate
  • Aminomethylphosphoric Acid (AMPA)
• Glufosinate

Antibiotics Classes

SHORT ANTIBIOTIC SCHEDULE

• Analysis Code: LCAB

• Fluoroquinolines-(0.005 µg/L reporting limit)
  • Ciprofloxacin
  • Enrofloxacin
  • Lomefloxacin
  • Norfloxacin
  • Ofloxacin
  • Sarafloxacin

• Macrolides
  • Azithromycin (0.005 µg/L reporting limit)
  • Erythromycin (0.008 µg/L reporting limit)
    • Erythromycin-H2O (0.008 µg/L reporting limit)
  • Roxithromycin (0.005 µg/L reporting limit)
  • Tylosin (0.005 µg/L reporting limit)
  • Virginiamycin (0.005 µg/L reporting limit)

• Sulfonamides
  • Sulfachloropyridazine (0.005 µg/L reporting limit)
  • Sulfadiazine (0.005 µg/L reporting limit)
  • Sulfadimethoxine (0.005 µg/L reporting limit)
  • Sulfamethoxazole (0.005 µg/L reporting limit)
  • Sulfamethazine (0.005 µg/L reporting limit)
  • Suflathiazole (0.020 µg/L reporting limit)

• Tetracyclines (0.010 µg/L reporting limit)
  • Chlorotetracyline
  • Oxytetracycline
  • Tetracycline
  • Doxycycline
    • Epi-chlorotetracycline
    • Epi-iso-chlorotetracycline
    • Epi-oxytetracycline
    • Epi-tetracycline
    • Iso-chlorotetracycline

• Pharmaceuticals
  • Carbamazapine (0.005 µg/L reporting limit)
  • Ibuprofen (0.005 µg/L reporting limit)

• Others
  • Chloramphenicol (0.010 µg/L reporting limit)
  • Lincomycin (0.005 µg/L reporting limit)
  • Ormetoprim (0.005 µg/L reporting limit)
  • Trimethoprim (0.005 µg/L reporting limit)

• Degradation product
• * This compound will be included in the updated Approved USGS Method

• Analysis Code: LCAN

• Beta Lactams
  • Amoxicillin (0.010 µg/L reporting limit)
  • Ampicillin (0.010 µg/L reporting limit)
  • Cefotaxime (0.010 µg/L reporting limit)
  • Cloxacillin (0.010 µg/L reporting limit)
  • Oxacillin (0.010 µg/L reporting limit)
  • Penicillin G (0.010 µg/L reporting limit)
  • Penicillin V (0.010 µg/L reporting limit)
• Macrolides
  • Azithromycin (0.005 µg/L reporting limit)
  • Erythromycin (0.005 µg/L reporting limit)
    • Erythromycin-H2O (0.005 µg/L reporting limit)
  • Roxithromycin (0.005 µg/L reporting limit)
  • Tylosin (0.005 µg/L reporting limit)
  • Virginiamycin (0.005 µg/L reporting limit)
• Quinolines
  • Ciprofloxacin (0.005 µg/L reporting limit)
  • Clinafloxacin (0.005 µg/L reporting limit)
  • Flumequine (0.005 µg/L reporting limit)
  • Lomefloxacin (0.005 µg/L reporting limit)
  • Norfloxacin (0.005 µg/L reporting limit)
  • Ofloxacin (0.005 µg/L reporting limit)
  • Oxolinic Acid (0.005 µg/L reporting limit)
  • Sarafloxacin (0.005 µg/L reporting limit)
• Sulfonamides
  • Sulfachloropyridazine (0.005 µg/L reporting limit)
  • Sulfadiazine (0.005 µg/L reporting limit)
  • Sulfadimethoxine (0.005 µg/L reporting limit)
  • Sulfamerazine (0.005 µg/L reporting limit)
  • Sulfamethazine (0.005 µg/L reporting limit)
  • Sulfamethoxazole (0.005 µg/L reporting limit)
  • Sulfathiazole (0.005 µg/L reporting limit)
• Others
  • Carbadox (0.005 µg/L reporting limit)
  • Lincomycin (0.005 µg/L reporting limit)
  • Trimethoprim (0.005 µg/L reporting limit)
  • Ormetoprim (0.005 µg/L reporting limit)
• Tetracyclines and Degradation Products
  • Chlorotetracycline (0.010 µg/L reporting limit)
    • Anhydro-chlorotetracycline (0.010 µg/L reporting limit)
    • Demeclocycline (0.010 µg/L reporting limit)
  • Doxycycline (0.010 µg/L reporting limit)
  • Minocycline (0.010 µg/L reporting limit)
  • Oxytetracycline (0.010 µg/L reporting limit)
  • Tetracycline (0.010 µg/L reporting limit)
    • Anhydro-tetracycline (0.010 µg/L reporting limit)
  • Alph apo-oxytetracycline (0.010 µg/L reporting limit)
  • Beta apo-oxytetracycline (0.010 µg/L reporting limit)
  • Epi-anhydro-chlorotetracycline (0.010 µg/L reporting limit)
  • Epi-chlorotetracycline (0.010 µg/L reporting limit)
  • Iso-chlorotetracycline (0.010 µg/L reporting limit)
  • Epi-Iso-chlorotetracycline (0.010 µg/L reporting limit)
  • Epi-oxytetracycline (0.010 µg/L reporting limit)
  • Epi-anhydro-tetracycline (0.010 µg/L reporting limit)
  • Epi-tetracycline (0.010 µg/L reporting limit)
  • Degradation product
  • * This compound will be included in the updated Approved USGS Method

Chlorothalonil and Degradation Products

• Analysis Code: LCCD
  (reporting limit based on sample matrix)

• Parent
  • Chlorothalonil
• Chlorothalonil Degradation Products
  • diamide of chlorothalonil (2,4,5,6-tetrachloro-isophthalamide)
  • 1 amide - 4 hydroxy of chlorothalonil (2,3,6-trichloro-5-cyano-4-hydroxy-benzamide)
  • 4 hydroxy chlorothalonil (2,4,5-trichloro-6-hydroxybenzene-1,3-dicarboxamide)

Isoxaflutole and Degradation Products

• Analysis Code: LCIX

• Isoxaflutole (0.003 µg/L reporting limit)
  • Di-keto (0.002 µg/L reporting limit)
  • Benzoic Acid (0.003 µg/L reporting limit)
  • Degradation product
  • * This compound will be included in the updated Approved USGS Method

Immunoassay

• 17 Beta Estradiol (E2) (0.0015 µg/L reporting limit)
  Analysis Code: IMB
• Alachlor ESA (0.20 µg/L reporting limit)
  Analysis Code: IME
• Atrazine (0.10 µg/L reporting limit)
  Analysis Code: IMA
• Cyanazine (0.10 µg/L reporting limit)
  Analysis Code: IMC
• Cyclodienes (such as dieldrin) (1.33 µg/L reporting limit)
  Analysis Code: IMD
• Estrone (E1) (0.05 µg/L reporting limit)
  Analysis Code: IME1
• Ethynylestradiol (E2) (0.05 µg/L reporting limit)
  Analysis Code: IME2
• Fluometuron (0.10 µg/L reporting limit)
  Analysis Code: IMF
• Metolachlor (0.10 µg/L reporting limit)
  Analysis Code: IMM
• Microsystin (0.10 µg/L reporting limit)
  Analysis Code: IMN

• Methoprene Acid (0.025 µg/L reporting limit)
  Analysis Code: IMP
• Metribuzin (0.10 µg/L reporting limit)
  Analysis Code: IMT