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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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