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GEL has an extensive full service environmental chemistry laboratory dedicated to supporting organic, inorganic, and specialty analyses. Our chemistry laboratory can safely process samples in virtually every environmental matrix possible including drinking water, wastewater, groundwater, soil, oils, sludge, air, air filters, biota hazardous waste and mixed waste supporting various DOE, DoD, USACE, private, and industrial projects. We have multiple reporting platforms including nearly 300 different electronic data deliverable formats. We tailor many of our deliverables based on clients’ needs.
The organics laboratory consists of 16 GC/MS instruments for volatile and semivolatile organic analysis. Routine analysis methods include SW846, EPA 600, and EPA 524.2 low-level volatile organics. Additionally, the laboratory has 8 dual GC/ECD plus 4 GC/FID instruments for the analysis of pesticides, polychlorinated biphenyls (PCB), herbicides, haloacetic acids, and multiple gasoline/diesel range organics.
The inorganics laboratory consists of 3 ICP/MS, 3 ICP, and 2 CVAA instruments for the analysis of metals and mercury using SW846, EPA 200, and ILM-CLP methods. The laboratory performs a variety of supporting chemistry methods including ion chromatography, spectrophotometer, total halides, total carbon, cyanide, phenol, and various wet chemistry procedures.
We also support the analysis of mercury by EPA method 1631. The laboratory has 2 low-level mercury instruments dedicated to analyzing samples from various federal and industrial sources for regulatory purposes.
GEL has 4 LC/MS/MS instruments dedicated solely to the analysis of high explosives and perchlorate compounds. We are able to analyze all the standard SW-846 8330 explosives including PETN and nitroglycerin. We have also developed methods for five additional explosive compounds as follows: 2,4-DANT, 2,6-DANT, 3,5-DNA, TATB and TCP.
Below is a list of the analyses and methods performed at GEL:
| Analysis |
Methods |
| Field pH |
EPA 150.1, 4500-H+ B |
| Field Specific Conductance |
EPA 120.0, 2510B |
| Field Dissolved Oxygen |
EPA 360.1, 4500-O G |
| Field Total and Free Residual Chlorine |
EPA 330.5, 4500-Cl G, HACH 8021 and 8167 |
| Low Level Mercury Sampling by EPA Method 1669 |
1631, 1669 |
| Total Dissolved Solids |
EPA 160.1, 2540C |
| Total Organic Halogen (TOX) and Adsorbable Organic Halides on Liquid Samples Using the Mitsubishi TOX-10 Analyzer |
1650C, 9020B |
| pH |
EPA 150.1, 9040B/9040C, 9041A, 9045C/9045D, 4500-H+, OLMO 4.2 |
| Conductivity and Salinity |
EPA 120.1, 9050A, SM 2510B, SM 2520B |
| Paint Filter Test |
EPA 9095A, 9095B |
| Total Solids |
EPA 160.3, 2540B, 2540G |
| Total Suspended Solids |
EPA 160.2, 2540D |
| Pensky-Martens Closed Cup Flashpoint |
1010, 1010A, ASTMD93-80 |
| Carbonaceous Biochemical Oxygen Demand (CBOD) |
EPA 405.1, 5210B |
| Corrosivity Toward Steel |
1110(M), 1110A(M) |
| Fecal Coliform by Membrane Filter |
9222D |
| Carbon Dioxide (Total and Free) by Calculation |
4500-CO2 D |
| Alkalinity: Total, Bicarbonate, Carbonate, Hydroxide, and Phenolphthalein |
EPA 310.1(M), 2320B |
| Fecal Coliform Most Probable Number (5 Tube Dilution) |
9221E1, EPA 600/8-78-017 |
| Volatile Suspended Solids |
EPA 160.2, 160.4, 2540E |
| Color by Visual Comparison |
EPA 110.2, 2120B |
| Turbidity |
2310, EPA 180.1 |
| Pretreatment of Cyanide Amenable to Chlorination |
EPA 335.1, 9010B, 9010C, 9012A, 9012B, 4500-CN- G |
| Colorimetric Determination of Hexavalent Chromium |
7196A, 3500-Cr D, 3060A |
| Biochemical Oxygen Demand (BOD) |
EPA 405.1, 5210B |
| Methylene Blue Active Substance |
EPA 425.1, 5540C |
| Heating Value Determination by Bomb Calorimeter |
ASTM D 240-00, 4809-00, E 711-87 (M) |
| Threshold Odor |
EPA 140.1 |
| Sulfide (Methylene Blue Method) |
EPA 376.2(M), HACH 8131, 4500 S2- D |
| Heterotrophic Plate Count (Standard Plate Count) |
9215B |
| Total Coliform by Membrane Filter |
9222B |
| Sulfite |
4500-SO32- B, EPA 377.1 |
| Volatile Solids and % Ash Procedure for Water Samples |
EPA 160.4, 2540E |
| Volatile Solids and % Ash Procedure for Solid and Semisolid Samples |
2540G |
| Dissolved Oxygen Analysis by Membrane Electrode Method |
4500-O- G, EPA 360.1 |
| Chemical Oxygen Demand (COD) Digestion Reactor Method |
EPA 410.4, HACH 8000 |
| Total Carbon and Total Organic Carbon Analysis Using the Dohrmann DC-190 Boat Sampler |
9060 (M), 9060A(M), EPA 415.1, Lloyd Kahn |
| Total Coliform by Most Probable Number (5 Tube Dilution) |
9221B |
| Density |
ASTM D5057 |
| Specific Gravity |
ASTM D5057 |
| Flashpoint by Setaflash |
1020A, 1020B, ASTM D 3278-78 |
| Cyanide Sample Distillation |
9012A, 9012B, 9010B, 9010C, 335.1, 335.3, 335.4, 335.2 CLP-M, 4500-CN- C |
| Viscosity |
Manufacturer’s Method |
| Reactive Cyanide and Sulfide |
SW-846 Chap 7.3.3, Chap 7.3.4 |
| Total Phosphorous and Total Kjeldahl Nitrogen Sample Preparation |
EPA 365.4, 351.2 |
| Ammonia-Nitrogen Sample Preparation |
EPA 350.1, 350.2, 4500-NH3- B |
| Free Cyanide Analysis by Microdiffusion |
ASTM D 4282 |
| Extractable Organic Halides (EOX) Using the Dohrmann DX-2000 Analyzer |
SW-846 9023 |
| Total Residue Chlorine |
4500-Cl G, EPA 330.5 |
| Cyanide Weak Acid Dissociable Sample Preparation and Analysis |
EPA 335.4, 4500-CN-I |
| Bomb Preparation Method for Solid Waste |
5050 |
| Acid-Soluble Sulfides |
9030B, 9034 |
| Ion Chromatography (IC) |
EPA 300.0, 4110B, 9056A |
| Percent Water by Karl Fischer Titration |
ASTM E203-96 |
| Acidity |
EPA 305.1, 305.2, 2310B |
| Total, Total Inorganic and Total Organic Carbon (TOC) using the OI Analytical Model 1010 TOC Analyzer |
EPA 415.1, 9060, 9060A, 5310D |
| N-Hexane Extractable Material (HEM; Oil and Grease) and Silica GEL Treated N-Hexane Extractable Material (SGT-HEM Non-Polar Material) in Aqueous Matrices |
1664A |
| Cyanide Analysis by Lachat QuikChem 8000 FIA |
CLP 335.2-M, 335.1, 335.3. 335.4, 9010B, 9010C, 9012A, 9012B, 4500-CN- C |
| Perchlorate by Ion Chromatography (IC) |
EPA 314.0 |
| Boiling Point |
ASTM D1120 (M) |
| Total Halogens |
ASTM D 808-00 |
| Ferrous Iron (Phenanthroline Method) |
SM 3500-Fe D, 3500-Fe B |
| Total Hardness by Titration |
EPA 130.2, 2340C |
| Hydrazine |
ASTM D 1385-01 |
| Total Recoverable Phenol by the Lachat QuikChem FIA+ 8000 Series |
EPA 420.4, 9066 |
| Total Phosphorus by the Lachat Quickchem FIA+ 8000 Series Instrument |
EPA 365.4 |
| Total Kjeldahl Nitrogen (TKN) Using the Lachat QuikChem FIA+ 8000 Series Instrument |
EPA 351.2, 4500 Norg B or C |
| The Volumetric Determination of Settleable Solids |
EPA 160.5, 2540F |
| Ammonia Determination by the Lachat Quickchem FIA + 8000 Series |
EPA 350.1 Rev 2 |
| Nitrate/Nitrite (NO3+NO2) Analysis Using The Lachat QuickChem FIA + 8000 Series Instrument |
EPA 353.2, 4500-NO3- F |
| Percent Ash Determined at 775 C Procedure for Solid and Semisolid Samples |
ASTM D 482-03 (M) |
| Toxicity Characteristic Leaching Procedure Preparation |
SW-846 1311 |
| Synthetic Precipitation Leaching Preparation |
EPA 1312 |
| Acid Digestion of Total Recoverable or Dissolved Metals in Surface and Groundwater Samples for Analysis by ICP or ICP-MS |
3005A |
| Acid Digestion of Total Metals in Aqueous Samples and Extracts for Analysis by ICP and ICP-MS |
3010A, 7760 |
| Acid Digestion of Sediments, Sludges, and Soils |
3050B, 6010B, 6020 |
| Mercury Analysis Using the Perkin Elmer Automated Mercury Analyzer |
245.1, 245.2, 245.5, 245.1 CLP-M, 245.2 CLP-M, 245.5 CLP-M, 7470A, 7471B, 3112B |
| Inorganic CLP Sample Digestions |
ILMO 4.0 |
| Determination of Metals by ICP |
EPA 200.7, 6010C, and 200.7 CLP-M, 6010B |
| Determination of Metals by ICP-MS |
6020, 6020A, EPA 200.8, ASTM D4698-92, 3005, 3010, 3050, 200.2 |
| Sample Preparation for Total Recoverable Elements by EPA Method 200.2 |
EPA 200.2 |
| Mercury Analysis using the PS Analytical Millennium Automated Mercury Analyzer |
EPA 1631 Rev E |
| NIOSH 7300 Filter Digestion |
NIOSH 7300 |
| Total Digestion of Sediment Samples for Analysis by ICP or ICP-MS |
ASTM D 4698-92 |
| Establishing Retention Time Windows for GC and HPLC Analysis |
SW-846 8000 |
| Non-Volatile Total Petroleum Hydrocarbons by Flame Ionization Detector |
8000B, 8000C, 8015B, 8015C, 3510C, 3510B, 3550C, 3580A |
| Volatile Total Petroleum Hydrocarbons by Flame Ionization Detector |
5030A, 5030B, 5030C, 5035A, 5035, 8000B, 8015, 8015A, 8015B, 8015C, 8015D |
| Analysis of Semivolatile Organic Compounds by Gas Chromatography/Mass Spectrometry |
8270C, 8270D, EPA 625 |
| Extraction of Semivolatile and Nonvolatile Organic Compounds from Soil, Sludge, and Other Miscellaneous Solid Samples |
3500C, 3550C, 8270C, 8270D, 8081, 8081A, 8081B, 8082, 8015A, 8310, FL-PRO, CT-ETPH, AK 102, AK 103 |
| Analysis of Chlorophenoxy Acid Herbicides by ECD |
8151A, 8150B, 8150 |
| Extraction of Semivolatile and Nonvolatile Organic Compounds from Groundwater, Wastewater, and Other Aqueous Samples |
3510C, 8270B, 8270D, 8081, 8081A, 8081B, 8082, 8082A, 8015A, 8015B, 8015C, 8310, 608, 625, FL-PRO, AK102, 103, CT-ETPH |
| The Extraction of Herbicides from Groundwater, Wastewater, and Other Aqueous Samples |
8151A |
| Percent Moisture |
ASTM D2216-98 (M) |
| Volatile Organic Compounds by Gas Chromatograph/Mass Spectrometer Applicable to EPA Method 524.2 |
EPA 524.2 |
| Volatile Organic Compounds (VOC) by Gas Chromatograph/Mass Spectrometer |
EPA 624 |
| The Extraction of Herbicides from Soil and Sludge Samples |
8151A |
| Polynuclear Aromatic Hydrocarbons |
8000B, 8310 |
| Nitroaromatics and Nitramines by High Performance Liquid Chromatography (HPLC) |
8330, 8000B |
| Florisil Cleanup of Organochlorine Pesticide Solvent Extracts |
3620B, 3510C, 3550B, 8081A, 3620B |
| Sulfuric Acid/Permanganate Cleanup of PCB Solvent Extract |
3550C, 3665A, 8082, 8082A |
| Volatile Organic Compounds (VOC) by Gas Chromatograph/Mass Spectrometer |
8260A, 8260B, 8260C, 5030A, 5030B, 5030C, 5035, 5035A |
| Closed-System Purge-and-Trap Collection and Extraction Volatile Organics in Soil and Waste Samples |
EPA 5035, 5035A |
| Polychlorinated Biphenyls |
8000B, 8000C, 8082, 8082A, 608 |
| Organochlorine Pesticides and Chlorinated Hydrocarbons |
8000B, 8000C, 8081A, 8081B, 608 |
| Sulfur Clean-up |
3660B |
| Common Industrial Solvents, Glycols, and Various Organic Compounds by Flame Ionization Detector |
8000A, 8000B, 8000C, 8015A, 8015B, 8015C, 8020A,CA Method |
| Gel Permeation Cleanup of Solvent Extracts |
3640A, 3510C, 3550C, 8270D, 8081B, 8082A |
| Determination of Petroleum Range Organics by GC-FID (FL-PRO and CT-ETPH) |
3510C, 3550B, 8000B, 8015B, FL-PRO, CT-ETPH |
| Silica Gel Cleanup Using Solid Phase Silica Gel Extraction Cartridges |
3550C, 3510C, 3630C |
| The Extraction of Semivolatile and Nonvolatile Organic Compounds from Oil |
3580A, 8270B, 8180A, 8015A, 8082 |
| Definitive Low Level Analysis of Nitroaromatic Explosives Utilizing Liquid Chromatography/Mass Spectrometry/Mass Sepctrometry (LC/MS/MS) by SW-846 Method 8321 Modified (8321M) |
8321(M), 8000B, 8330 |
| Analysis of 1,2-Dibromoethane (EDB) and 1,2-Dibromo-3-Chloropropane (DBCP) in Water by GC/ECD Using Methods 504 or 8011 |
EPA 504, 8011 |
| Haloacetic Acids in Water |
EPA 552.2 |
| Preparation of Samples for Massachusetts Extractable Petroleum Hydrocarbons (EPH) |
Massachusetts Method, 3510C, 3541 |
| Massachusetts Method for the Determination of Extractable Petroleum Hydrocarbons (EPH) |
Massachusetts Method, 8015B, 3510C, 3541 |
| Dissolved Gases in Water by Flame Ionization Detector (FID) |
RSK-175 |
| Automated Soxhlet Extraction |
EPA 3541, 3600 |
| Definitive Low Level Perchlorate Analysis Utilizing Liquid Chromatography/Mass Spectrometry/Mass Spectrometry (LC/MS/MS) by EPA Method 6850 Modified (6850M) |
6850, 6850(M), 8000B |
| The Processing, Extraction, and Analysis of Nitroaromatics, Nitroamines, and Nitrate Esters by SW-846 8330B |
8330B, 3535 |
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GEL Laboratories, LLC has the capacity and capabilities to support low level mercury analysis by method 1631.
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