Environmental (Soil & Water)

img-3255At HawkMtn Labs all analyses are performed with the highest regard for quality, cialis and in accordance with the following government and industry-defined protocols and methods:

United States Environmental Protection Agency (US EPA)
American Society for Testing and Materials (ASTM) technical standards
Guidelines Establishing Test Procedures for the Analysis of Pollutants 40 CFR Part 136
National Primary Drinking Water Regulations 40 CFR Part 141
And Client and/or industry-specific methods

Standard Methods for the examination of Water and Wastewater:

EPA 200 Series: Methods for the Determination of Metals in Environmental Samples
EPA 300 Series : Methods for the Determination of Inorganic Substances in Environmental Samples
EPA 500 Series : Methods for Organic Chemical Analysis of Municipal and Industrial Wastewater
EPA 600 Series : Methods for Organic Chemical Analysis of Municipal and Industrial Wastewater EPA
US EPA SW-846 : Test Methods for Evaluating Solid Waste
Standard Method 9215B : Heterotrophic Plate Count
Standard Method 9221 : Examination of Water and Wastewater
Standard Method 9222D : Fecal Coliform Membrane Filter Procedure
Standard Method 9223 : Enzyme Substrate Coliform Test

HawkMtn Labs is fully capable of meeting regulatory and/or industrial requirements such as:

  • Target Analyte List
  • Target Compound List
  • Resource Conservation and Recovery Act
  • PA DOT
  • Priority Pollutants
  • Toxicity Characteristic Leaching Procedure
  • Safe Drinking Water Act
  • National Pollution Discharge Elimination System under the Clean Water Act
  • Clean Water Act
  • Toxic Substances Control Act
  • Brownfields Recovery Act
  • State-specific Programs – General Permits
  • Standard Practice for Collection of a Gross Sample of Coal


Organic Laboratory

Volatile Organic Compound (VOC) Analyses –



Gas Chromatography/Mass Spectrometry (GC/MS) systems primarily running EPA Methods 524.2, 624, 8260B and aqueous.

Other VOC methods may be supported as well. All systems supported by automated sample introduction and concentrators

Gas Chromatography/Flame Ionization Detector (GC/FID) dedicated to Methane/Ethane Headspace Dissolved Gas Analysis



GC/MS systems primarily running EPA methods 8270 and 625 for SVOCs. Other SVOC methods may be supported as well. All systems supported by automated sample introduction

Gas Chromatography/Electron Capture Detector (GC/ECD) systems primarily running EPA methods 8081/8082/608 for pesticides/PCBs analyses. Other methods may be supported as well. All systems supported by automated sample introduction

Dedicated organic extraction lab utilizing ASE Dionex automated extractor and Horizon SPE automated extractors assuring uniform and rapid sample extraction

In-Organic Laboratory

Dionex High-Performance Liquid Chromatography-Ion Chroma-tography (HPLC/IC) for dedicated analysis of a number of anions, including; Flouride, Chloride, Nitrate, Nitrite, Bromide, Ortho-Phosphate, and Sulfate.

Discrete analyzers for nutrients, including; Ammonia Nitrogen, TKN, and Phosphorous, Cyandie, Phenolic, and other appropriate colorimetric spectrographic analyzers.

Wet chemistry analyses to support inorganic and aggregate organic analyses include;

CBOD/BOD, Alkalinity, Acidity, Lab Leaches, Bicarbonate Analysis, Total Suspended Solids, Total Dissolved Solids, Moisture, Solid Volitiles, Sulfide, Residual Chlorine, and Settable Solids.

Analysis of water and solids for the carcinogen Hexavalent Chromium using Standard Method 3500 Cr-B.

Microbiology Laboratory


Coliform and E. coli testing of drinking, recreational, surface and wastewaters using the Idexx Defined Substrate Technology®.

Final results reported in MPN (Most Probable Number)/100mL. Minimum detection limit is <1.0 MPN/100mL

Heterotrophic Plate Count testing for a wide variety of water types using the Idexx SimPlate®.

Final results reported in MPN/mL. Minimum detection is <2 MPN/mL

Membrane Filtration for Fecal Coliform testing of non-potable or wastewater.

Final results reported in cfu (colony forming units)/100mL. The minimum detection limit is dependent on sample type but is usually <5 cfu/100mL

Multiple Tube Fermentation testing of fecal coliforms of non-potable waters and salt or brackish waters, muds, sediments, sludges and solid waste monitoring.

Final results reported in MPN/mL. Minimum detection for this method depends on sample type but is usually <20MPN/mL

Metals Laboratory

Inductively Coupled Plasma/Mass Spectrometer with Dynamic Reaction Cell (ICP/MS with DRC)

Low-level and trace metals analysesIMG_3946 including uranium and scandium

Removal of interferences for accurate determination in complex matrices



Inductively Coupled Plasma/Optical Emission Spectrometer (ICP/OES)

Mid- to low-level analyses

Rapid determination

Mercury Discrete Analyzers

Direct thermal desorption of mercury on solid samples

Mercury by atomic fluorescence

Automated digesters to provide consistency and proper documentation of preparation