Contact Information
Los Angeles County
Department of Public Health
Public Health Laboratory
12750 Erickson Avenue
Downey, California 90242

Laboratory Director
Nicole M. Green, Ph.D, D (ABMM)
Phone: (562) 658-1300
Fax: (562) 401-5999

Monday - Friday
8:00 AM to 5:00 PM
8:00 AM to 4:30 PM
Environmental Toxicology

Environmental Toxicology

If you want to hire our Environmental Toxicology Laboratory, call us at (562) 622-0437 or e-mail us We are located at the South Gate address.

Type of Sample

Drinking water, storm water, waste water, soil, sludge, hazardous waste, dust wipe, paint chip, porcelain, candy, canned food, vegetables, juices, fruits, and plants.


  1. Atomic Absorption Spectrometer, Perkin Elmer Model AA800
  2. Mercury Analyzer, Perkin Elmer Model FIMS 100
  3. Ion Chromatography, Dionex ICS 5000
  4. UV/Visible spectrophotometer, Beckman Model DU 640
  5. Inductively Coupled Plasma/Mass Spectrometer, Perkin Elmer, Elan 6100
  6. ICP/OES, Perkin Elmer Optima 8300
  7. Agilent 5975C GC/MSD/DS with Stratum PTC sample concentration and AquaTek 100 Liquid Autosampler
  8. Agilent 5977A GC/MSD/DS with Autosampler.
  9. Thermo Finnigan Trace MS, with Autosampler.
  10. Finnigan Surveyor HPLC with Fluorescence Detector and Autosampler
  11. Tekman Apollo 9000 Carbon Analyzer with Autosampler
  12. Perkin Elmer FTIR Spectroscopy.
  13. ThermoQuest GC with Dual NPD
  14. Agilent 6890 N Network GC system with Dual NPD.
  15. ThermoQuest GC with Dual ECD
  16. Agilent 6890N Network GC system with Dual ECD


The Environmental Toxicology Bureau is accredited by the California State Department of Public Health to test drinking water, waste water, hazardous waste, and agricultural products. The Laboratory is also accredited for lead analysis in dust wipe, soil, and paint chip by AIHA LAP, LLC Accreditation# 102336.

The Title 22 Water Analysis

  1. General Minerals: Total hardness, Calcium, Magnesium, Sodium, Potassium, Total Alkalinity, Hydroxide, Carbonate, Bicarbonate, pH.

  2. General Physical: pH, Specific Conductance, Total Filterable Residue, Color, Odor, Turbidity, Methylene Blue Active Substances(MBAS), Total Dissolved Solids(TDS).

  3. Inorganics: Aluminum, Antimony, Arsenic, Barium, Beryllium, Cadmium, Chromium, Copper, Iron, Lead, Manganese, Mercury, Nickel, Selenium, Silver, Thallium, Vanadium, Zinc.

  4. Other Inorganics: Boron, Chromium VI, Fluoride, Chloride, Nitrate, Nitrite, Phosphate and Sulfate

  5. Bacteria: Total and Fecal Coliform, E.coli, Heterotrophic Plate Count(HPC), Enterococcu, Streptococcus

  6. Total Trihalomethane: EPA Method 524.2

  7. Volatile Organic Chemicals: EPA Method 524.2

  8. Regulated Organic Chemicals: EPA Method 505, EPA Method 507, EPA Method 515.1, EPA Method 531.3, EPA Method 547, EPA method 552.

  9. Unregulated Organic Chemicals: EPA Method 524.2, EPA Method 505, EPA Method 507, EPA Method 531.1

National Pollutant Discharge Elimination System (NPDES) Permit Compliance

Includes: pH, Coliform, Suspended Solids, Biological Oxygen Demand(BOD), Turbidity, Oil and Grease, Total Dissolved Solids, Chloride, Boron, Sulfate, Nitrate, Nitrite, Ammonia, Organic Nitrogen,Ttotal Organic Carbon, Metals, Cyanide, Herbicides, Pesticides, Base/Neutral/Acid Extractables, Volatile Organic Compounds.

Hazardous Materials Evaluation

  1. Heavy Metals: Aluminum, Antimony, Arsenic, Barium, Beryllium, Cadmium, Chromium, Cobalt, Copper, Lead, Mercury, Molybdenum, Nickel, Selenium, Silver, Thallium, Vanadium, Zinc.

  2. Physical Properties: Corrositivity (pH), Cyanide, Ammonia, Total Kjeldahl Nitrogen, Boron, MBAS, Anions, Total Phosphate, COD.

  3. Volatile Organic Compounds:

    A. Regulated Organic Chemicals

    Bromodichloromethane, Bromoform, Chloroform, Dibromochloromethane, Total Trihalomethanes, Benzene, Carbon Tetrachloride, 1,2-Dichlorobenzene, 1,4- Dichlorobenzene, 1,1- Dichloroethane, 1,2-Dichloroethane, 1,1-Dichloroethylene, cis-1,2-Dichloroethylene, trans 1,2- Dichloroethylene, Dichloromethane, 1,2-Dichloropropane, Total 1,3- Dichloropropene, Ethyl benzene, Methyl tert-Butyl Ether, Monochlorobenzene, Styrene, 1,1,2,2-Tetrachloroethane, Tetrachloroethylene, Toluene, 1,2,4-Trichlorobenzene,1,1,1-Trichloroethane, 1,1,2-Trichloroethane, Trichloroethylene, Trichlorofluoromethane, Trichlorotrifluoroethane, Vinyl chloride, Xylenes, Dibromochloropropane, Ethylene Dibromide, Endrin, Lindane, Methoxychlor, Toxaphene, Chlordane, Diethylhexylphthalate, Heptachlor, Heptachlor epoxide, Atrazine, Molinate, Simazine, Thiobencarb, Alachlor, Bentazon, Benzo(a)pyrene, 2,3,7,8-TCDD, 2,4-D, 2,4,5-TP, Carbofuran, Dalapon, Dinoseb, Diquat, Di(2-ethylhexyl) Adipate, Endothall, Glyphosate, Hexachlorobenzene, Hexachlorocyclopentadiene, Oxamyl, Pentachlorophenol, Picloram, Polychlorinated Biphenyls.

    B. Unregulated Organic Chemicals

    tert-Amyl Methyl Ether, Bromobenzene, Bromochloromethane, Bromochloroacetic Acid, Bromodichloroacetic Acid, Bromomethane, tert-Butyl Alcohol, n-Butylbenzene, Chloroethane, 2- Chloroethylvinyl ether, Chloromethane, 2-Chlorotoluene, 4- Chlorotoluene, Dibromoacetic Acid, 1,3- Dichloropropane, 2,2-Dichloropropane, 1,1- Dichloropropane, 1,1-Dichloropropene, Diisopropyl Ether, 1,4-Dioxane, Ethyl tert-Butyl Ether, Hexachlorobutadiene, Isopropylbenzene, p- Isopropyltoluene, Methoxy Methyl Propane, Monobromoacetic Acid, Monochloroacetic Acid, Naphthalene, Pentachloroethane, n-Propylbenzene, 1,1,1,2-Tetrachloroethane, Tribromoacetic acid, Trichloroacetic Acid, 1,2,3-Trichlorobenzene, 1,3,5-Trichlorobenzene, 1,2,3- Trichloropropane, 1,2,3- Trichlorobenzene, 1,2,4-Trimethylbenzene, 1,3,5- Trimethylbenzene, Methyl Ethyl Ketone, Methyl Isobutyl Ketone, bis(2-Chloroethyl) Ether, Aldicarb, Aldicarb sulfone, Aldicarb sulfoxide, Aldrin, Bromacil, Butachlor, Carbaryl, Chlorothalonil, Diazinon, Dicamba, Dieldrin, Dimethoate, Diuron, 3- Hydroxycarbofuran, Methomyl, Metolachlor, Metribuzin, Prometryn, Propachlor.

Lead Testing

The Laboratory can test lead content in dust wipe, soil, paint chip, porcelain, candy, canned food, juices, and household items.

Pesticide Residue Testing

The Laboratory can test residual levels of pesticides in soil, water, wipe, plant and vegetable for the following categories:

  1. Phosphorus-nitrogen pesticide -  Chlorothalonil, Diazinon, Dimethoate, Molinate (ordan), Prometryn, Thiobencarb, Bromacil, Butachlor, Metachlor, Metribuzin, Prometon, Alachlor, Atrazine, Simazine

  2. Organochlorine pesticide/Phrethroids -  Aldrin, Chlordane, Dieldrin, Endrin, Heptachlor, Heptachlor Epoxide, Chlorobenzene, Hexachlorocyclopentadiene,Lindane, Methoxychlor, Toxaphene, Aroclor 1016/1242, Aroclor 1232, Aroclor 1248,Aroclor 1254, Aroclor 1260, DDD, DDE, DDT,

  3. Carbamate - Aldicarb, Aldicarb Sulfone, Aldicarb Sulfoxide, Carbofuran, Methomyl, Oxamyl (vydate)

  4. Glyphosate -  Glyphosate

  5. Chlorophenoxy herbicide -  Acifluorfen, 2,4-D, Dicamba, Dinoseb, Pentachlorophenol, Picloram, 2,4,5-TP (silvex)

Field of Testing, Accreditation by California State Department of Public Health

  1. Microbiology of Drinking Water

  2. Inorganic Chemistry of Drinking Water.

  3. Toxic Chemical Elements of Drinking Water

  4. Volatile Organic Chemistry of Drinking Water

  5. Semi-Volatile Organic Chemistry of Drinking Water

  6. Microbiology of Waste Water

  7. Inorganic Chemistry of Waste Water

  8. Toxic Chemical Elements of Waste Water

  9. Volatile Organic Chemistry of Waste Water

  10. Semi-Volatile Organic Chemistry of Waste Water

  11. Inorganic Chemistry & Toxic Chemical Elements of Hazardous Waste

  12. Organic Chemistry of Pesticide Residues in Food (excluding measurements by MS techniques)

  13. Microbiology of Recreational Water

Accreditation by American Industrial Hygiene Association

Lead analysis in dust wipe, soil, and paint chips.


State of California, Department of Food and Agriculture

  • Division of Inspection Services

Los Angeles County, Department of Public Works

  • Waterworks
  • Watershed Management
  • Water Resources
  • Flood Maintenance
  • Sewer Maintenance

Department of Public Health

  • Environmental Health Program
  • Lead Program

Fire Department

  • Hazardous Materials Program
  • Camps and Fire Stations.

City of Lomita

City of Santa Fe Springs

Los Angeles Unified School District

Malibu Country Club


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