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EPA Pacific Southwest (Region 9) Laboratory Standard Operating Procedures

EPA’s Pacific Southwest (Region 9) implements and enforces federal environmental laws in Arizona, California, Hawaii, Nevada, the Pacific Islands, and 148 Tribal Nations.

Region 9 Resources
  • Region 9 Laboratory Home
  • Standard Operating Procedures

Summary of Standard Operating Procedures (SOPs) specific to EPA's Pacific Southwest (Region 9) laboratory.

Note: To obtain a copy of a specific standard operating procedure (SOP), please contact Andrew Mendez (mendez.andrew@epa.gov) at (510) 412-2325.


EPA Region 9 Laboratory Standard Operating Procedures
CategorySOP#SOP TITLE
Administrative/Miscellaneous010Guidance for use of EPA Purchase Cards
Administrative/Miscellaneous020Shipping and Receiving of Coolers, Supplies and Equipment
Administrative/Miscellaneous030Sample Coordination by the RSCC
Administrative/Miscellaneous050State Drinking Water Laboratory Certification Program Oversight
Sample Control110Sample Receiving Procedure and Login
Sample Control112Sample Receiving in the Absence of the Sample Custodian
Sample Control115Chemical Preservation of Environmental Samples upon Receipt at the Laboratory
Sample Control125Sample Disposal
Sample Control130Glassware Cleaning Procedures
Sample Control150Soil and Sediment Homoginization
Organic Sample Preparation205Preparation of Organic-free Blank Water
Organic Sample Preparation239Procedure for Recycling Used Methylene Chloride
Organic Sample Preparation261Procedures for Clean-up of Organic Extracts
Organic Sample Preparation275Extraction of Water Samples by Continuous Liquid-Liquid Extraction (CLLE)
Organic Sample Preparation285Soxhlet Extraction of Solid Samples
Organic Sample Preparation290Extraction of Soil Samples Using Pressurized Fluid
Chemistry: Organic Sample Analysis305Volatile Organics Compundd Analysis in Solids
Organic Sample Analysis307VOCs by GCMS following desorption from Radiellp 130 passive diffusive samples
Organic Sample Analysis311Analysis of Volatile Organic Compounds in Air and Soil Vapor
Organic Sample Analysis312Cleaning and Certification of Specially Prepared Cannisters for Air Sampling
Organic Sample Analysis314TO15 SIM-Analysis of Volatile Organic Compounds in Air
Organic Sample Analysis315Semivolatile Organic Compound Analysis
Organic Sample Analysis325Determination of Dissolved Gases in Water
Organic Sample Analysis330Organicchlorine Pesticide Analysis by Gas Chromatography (GC)
Organic Sample Analysis335Polychlorinated Biphenyls (PCBs) by GC
Organic Sample Analysis340GC/MS-TOF Analysis of UDA of Ultra-Dilute Chemical Warfare Agents (UDA) Standards and Samples
Organic Sample Analysis353Low-level Volatiles
Organic Sample Analysis354Volatile Organic Compound Analysis in Water
Organic Sample Analysis375Low-level Semi-Volatile Organics Analysis
Organic Sample Analysis380Purgeable Hydrocarbons by GC PID/FID
Organic Sample Analysis385Extractable Petroleum Hydrocarbons by GC/FID
Organic Sample Preparation250TCLP Extraction
Organic Sample Preparation252California Waste Extraction Test (WET)
Organic Sample Preparation254SPLP Extraction
Organic Sample Preparation256Bioaccessibility Extraction
Inorganic Sample Preparation and Solids Analyses401Nepholometric Turbidity Measurement
Inorganic Sample Preparation and Solids Analyses403Aqueous Sample Preparation for ICP-AES and ICP-MS
Inorganic Sample Preparation and Solids Analyses405Preparation of Solid Samples for Metals Analysis
Inorganic Sample Preparation and Solids Analyses407Preparation of Leachate Procedure Extracts for Metals Analysis
Inorganic Sample Preparation and Solids Analyses409Digestion for Lead on Filters
Inorganic Sample Preparation and Solids Analyses430Tissue Preparation and Homogenization
Inorganic Sample Preparation and Solids Analyses460Percent Solids Determination
Inorganic Sample Preparation and Solids Analyses461Analysis of Total Dissolved Solids
Inorganic Sample Preparation and Solids Analyses462Analysis of Total Suspended Solids
Inorganic Sample Preparation and Solids Analyses463Settleable Solids
Inorganic Sample Preparation and Solids Analysis464Suspended Sediment Concentration
Inorganic Sample Analysis503Determination of Trace Elements in Solids by ICP-AES
Inorganic Sample Analysis505Determination of Trace Elements in Water by ICP-AES
Inorganic Sample Analysis507Determination of Trace Elements in Water by ICP-MS
Inorganic Sample Analysis509Determination of Lead on Filters by ICP/MS
Inorganic Sample Analysis515Determination of Mercury in Water by CVAA Spectrometry
Inorganic Sample Analysis517Analysis of Solid Samples for Mercury
Inorganic Sample Analysis525Analysis of Hexavalent Chromium in Water by Ion Chromatography
Inorganic Sample Analysis530Analysis of Anions by Ion Chromatography
Inorganic Sample Analysis531Analysis of Perchlorate by Ion Chromatography
Inorganic Sample Analysis532Cyanide Analysis
Inorganic Sample Analysis535Analysis of Mercury in Solids by Thermal Decomposition and AAS
Inorganic Sample Analysis537Analysis of Perchlorate by LC-MS-MS
Inorganic Sample Analysis545Determination of Specific Conductance
Inorganic Sample Analysis553Determination of TOC in Water by EPA Method 415.3
Inorganic Sample Analysis560Total Alkalinity by Titrimetric Method
Inorganic Sample Analysis565Sulfide by Titration
Inorganic Sample Analysis570Total Hardness, Titrimetric Method
Inorganic Sample Analysis576Determination of Ferrous Iron in Water Samples by Colorimetric Analysis
Inorganic Sample Analysis580pH Determination in Aqueous Samples
Inorganic Sample Analysis582pH in Solid Samples
Inorganic Sample Analysis590Ammonia Analysis
Inorganic Sample Analysis592Analysis of Total Kjeldahl Nitrogen in Water
Inorganic Sample Analysis594Analysis of Nitrite and Nitrate in Water
Inorganic Sample Analysis596Analysis of Total Phosphorus in Water
Health, Safety & Environmental Compliance704Inspection Procedures for Emergency Eyewash and Shower
Health, Safety & Environmental Compliance706Laboratory Waste Management
Health, Safety & Environmental Compliance712Inspection Procedures for the Satellite and 90-Day Hazardous Waste
Health, Safety & Environmental Compliance716Cleaning and Recycling of Empty Glass Containers
Health, Safety & Environmental Compliance730Neutralization of Aqueous Wastes
Health, Safety & Environmental Compliance747Laboratory Chemical Inventory Maintenance
Health, Safety & Environmental Compliance748Chemical Adoption Program
Health, Safety & Environmental Compliance750Inspection Procedures for Fire Extinguishers
Health, Safety & Environmental Compliance760Maintenance and Upkeep of Radioactive Sources
Health, Safety & Environmental Compliance770Handling Cryogenic Materials
Health, Safety & Environmental Compliance775Handling and Disposal of Broken Glassware
Health, Safety & Environmental Compliance780Procedure for Chemical Spill Response and Cleanup
Health, Safety & Environmental Compliance785Procedure for Storage, Monitoring, and Handling of Peroxide Forming Chemicals
Quality Assurance805Refrigerator and Freezer temperature monitoring
Quality Assurance810Internal Audits of Laboratories
Quality Assurance817Accuracy Check of Laboratory Thermometers
Quality Assurance820Lab Discrepancy and Corrective Action Report Procedure
Quality Assurance825Deionized water monitoring
Quality Assurance830Notification Procedure for Results Exceeding the Safe Drinking Water Act Limits
Quality Assurance835Chromatographic Integration Procedure
Quality Assurance840Notebook Documentation and Control
Quality Assurance845Internal Data Review & Report Preparation
Quality Assurance850Preparation and Usage of Standard Operating Procedures
Quality Assurance880Demonstration of Capability
Quality Assurance890Calibration & Maintenance of Automatic Pipettes
Quality Assurance892Initial Instrument Calibration Guidelines
Biological Testing1001Sea Urchin & Sand Dollar Fertilization Toxicity Test
Biological Testing1004Red Abalone, Larval Development Toxicity Test
Biological Testing1060Calibration and Operation of pH Meters
Biological Testing1061Calibration and Operation of Dissolved Oxygen Meters
Biological Testing1063Calibration and Operation of Conductivity Meters
Biological Testing1067Calibration and Operation of Refractometers
Biological Testing1085Glassware and Plasticware Cleaning for Toxicity Tests
Biological Testing1086Collection, Preparation,, and Feeding of Kelp for Sea Urchin and Abalone and Tank Cleaning
Microbiology and Miscellaneous Biology1103Colilert coliform and E. Coli Water Analysis
Microbiology and Miscellaneous Biology1106Volunteer Monitoring of Surface Waters for Bacteria
Microbiology and Miscellaneous Biology1107Enterolert Entercocci Water Analysis
Microbiology and Miscellaneous Biology1108Heterotrophic Plate Count for Bacteria in Water
Microbiology and Miscellaneous Biology1109Microbiology Autoclaves
Microbiology and Miscellaneous Biology1131Analysis of Ash Free Dry Mass
Microbiology and Miscellaneous Biology1134Chlorophyll-a (Method APHA 10200H)
Microbiology and Miscellaneous Biology1135Total & Fee Rsidual Clorine - Hach Dpd
Field Sampling and Analysis1201General Field Equipment Inventory, Documentation Maintenance, Calibration and Operation
Field Sampling and Analysis1202Operational Guidelines for Field Activities
Field Sampling and Analysis1210Calibration and Operation of YS1 6600V2 Sonde
Field Sampling and Analysis1211Calibration and Operation of YS1 556 Multi-Probes
Field Sampling and Analysis1212Calibration and Operation of the Manta 2 Sonde
Field Sampling and Analysis1213Calibration and Operation of YS1 EXO Sonde
Field Sampling and Analysis1220Groundwater Monitoring Well Sampling
Field Sampling and Analysis1221Soil Sampling
Field Sampling and Analysis1222Routine Sampling and Analysis of Drinking water
Field Sampling and Analysis1223Sediment Sampling
Field Sampling and Analysis1224Surface Water Sampling
Field Sampling and Analysis1225Soil Sampling for Volatile Organic Compounds
Field Sampling and Analysis1227Air Sampling for Volatile Organic Compounds
Microbiology and Miscellaneous Biology1305Microcystin by ELISA Analysis
Administrative/Miscellaneous051State Drinking Water Laboratory Certification
Organic Sample Preparation230Extraction of Ultra-Dilute Chemical Warfare Agents (UDA) from Aqueous Samples
Organic Sample Preparation240Extraction of Ultra-Dilute Chemical Warfare Agents (UDA) from Wipe Samles
Organic Sample Preparation242Extraction of Ultra-Dilute Chemical Warfare Agents (UDA) from Soil Samples
Organic Sample Preparation245Accountability of Ultra-Dilute Chemical Warfare Agent Reference Solutions
Organic Sample Preparation265Extraction of Low-Level Phenols and Polycyclic Aromatic Hydrocarbons from Water
Organic Sample Analysis342GC/MS Single Qualdruple Analysis of UDA of Ultra-Dilute Chemical Warfare Agents (UDA) Standards and Samples
Inorganic Sample Analysis534Determination of Low Level Mercury in Water
Inorganic Sample Analysis536Determination of Methyl Mercury in Water
Inorganic Sample Analysis561Acidity
Quality Assurance818Accuracy Verification of Weights and Balances
Quality Assurance893Recertification of Standards and Reagents
Field Analytical Services (FASP)903Field Analytical Support Project (FASP) Mobilization of Field Lab
Field Analytical Services (FASP)910Analysis of Volatile Organic Compounds (VOCs) in Air by Field Portable GC/MS
Field Analytical Services (FASP)940Volatile Organic Compound Monitoring by ppb RAE Plus Portable Photoionization Detector
Field Sampling and Analysis1230Sampling Equipment Decontamination
Field Sampling and Analysis1251Precious Metals Analysis of Catalyst Washcoat using a Niton XL3t FPXRF Analyzer
Field Sampling and Analysis1255Temperature Calibration Verification for a FLIR GF320 Infrared Camera
Field Sampling and Analysis1320Field-Portable X-Ray Florescence (FPXRF) Analyzer

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