Pacific Southwest, Region 9
Serving: Arizona, California, Hawaii, Nevada, Pacific Islands, Tribal Nations
Sample Container And Preservation List
All samples shipped to the Region 9 Laboratory must be bottled and preserved in accordance with protocols. The following tables indicate the required containers, volumes and chemical preservation, as necessary.
Please Contact the Lab regarding preservation and container requirements for Microbiology and Marine/Freshwater Toxicity Testing.
| ANALYSIS--AQUEOUS | CONTAINER | PRESERVATIVE |
| ORGANIC CHEMISTRY: | ||
| 1,4-dioxane | 2 x 1L glass amber | 4C |
| Chlorophenols | 2 x 1L glass amber | 4C |
| EDB/DBCP | 3 x 40 ml VOA Vial | 4C |
| Organochlorine Pest/PCBS | 2 x 1L glass amber | 4C |
| Polycyclic Aromatic Hydrocarbons | 2 x 1L glass amber | 4C |
| Semi-Volatile Organic Compounds | 2 x 1L glass amber | 4C |
| Total Petroleum Hydrocarbons - TEH (Diesel, Motor Oil) | 2 x 1L glass amber | 4C |
| Total Petroleum Hydrocarbons + BTXE - TVH (Gasoline, Jet Fuel) | 3 x 40 ml VOA Vial | HCL, pH <2, 4C |
| Volatile Organic Compounds | 3 x 40 ml VOA Vial | HCL, pH <2, 4C |
| METALS: | ||
| ICP Metals | 1 x 250 ml Plastic | HNO3, pH <2 |
| Mercury | 1 x 250 ml Plastic | HNO3, pH <2 |
| Lead, Copper (Drinking Water) | 1 x 250 ml Plastic | HNO3, pH <2 |
| GENERAL CHEMISTRY: | ||
| Alkalinity | 1 x 500 ml Plastic | 4C |
| Anions | 1 x 250 ml Plastic | 4C |
| Ammonia | 1 x 250 ml Plastic | H2SO4, pH <2, 4C |
| Biochemical Oxygen Demand | 1 x 500 ml Plastic | 4C |
| Cyanide | 1 x 250 ml Plastic | NaOH, pH >12, 4C |
| Hardness | 1 x 250 ml Plastic | HNO3, pH < 2, 4C |
| Sulfide | 1 x 500 ml Plastic | NaOH + Zn Acetate pH >9,4C |
| Total Kjeldahl Nitrogen (TKN) | 1 x 250 ml Plastic | H2SO4, pH <2, 4C |
| Total Organic Carbon (TOC) | 1 x 125 mL glass | H2SO4, pH <2, 4C |
| Total Phosphorous | 1 x 250 ml Plastic | H2SO4, pH <2, 4C |
| Total Dissolved Solids (TDS) | 1 x 250 ml Plastic | 4C |
| Total Solids | 1 x 250 ml Plastic | 4C |
| Total Suspended Solids (TSS) | 1 x 250 ml Plastic | 4C |
| ANALYSIS -- SOILS | CONTAINER | PRESERVATIVE |
| ORGANIC CHEMISTRY: | ||
| Organochlorine Pest/PCBs | 1 x 4 oz. Glass Jar | 4C |
| Polycyclic Aromatic Hydrocarbons | 1 x 4 oz. Glass Jar | |
| Semi-Volatile Organic Compounds | 1 x 4 oz. Glass Jar | 4C |
| Total Petroleum Hydrocarbons - TEH (Diesel, Kerosine. Paint Thinner) | 1 x 4 oz. Glass Jar | 4C |
| Total Petroleum Hydrocarbons + BTXE - TVH (Gasoline, Jet Fuel) | 3 x 5g EnCore-type samplers | 4C |
| Volatile Organic Compounds | 3 x 5g EnCore-type samplers | 4C |
| GENERAL CHEMISTRY: | ||
| Anions | 1 x 4 oz. Glass Jar | 4C |
| Perchlorate | 1 x 4 oz. Glass Jar | 4C |
| Total Organic Carbon | 1 x 4 oz. Glass Jar | 4C |
| METALS: | ||
| Metals (all) | 1 x 4 oz. Glass Jar | 4C |
Note: all recommendations apply only to samples submitted to the U.S. EPA Region 9 Laboratory and are for single sample quantities.
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