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Sample Preservation & Holding Times

Drinking Water - Organics

Parameter	Method	Container	Preservative	Holding Time

Herbicide/ Pesticide Residue in Soil/Compost		4 oz glass	n/a	14 days
Haloacetic Acids	SM 6251B	2 x 40 mL amber vial no headspace	4 mg Ammonium Chloride	28 days
Total Trihalomethane Potentials (THMP)	EPA 524.3	3 x 40 mL amber vial no headspace	Ambient Temperature	ASAP
Total Trihalomethanes (TTHM)	EPA 524.3	2 x 40 mL amber vial no headspace	25 mg ascorbic acid, 200 mg maleic acid	14 days
Dioxin
Diquat	EPA 549	500 mL HDPE	10 mg Sodium Thiosulfate	7 days
EDB/DBCP	EPA 504.1	2 x 40 mL amber vial	3 mg Sodium Thiosulfate	14 days
Endothall	EPA 548.1	125 mL amber glass	25 mg Sodium Thiosulfate	7 days
Petroleum in Soil-HCID WA TPH-HCID	NWTPH-Gx/EPA 8015	4 oz glass	n/a	14 days
Glyphosate	EPA 547	40 mL amber vial	3 mg Sodium Thiosulfate	14 days
Herbicides Regulated & Unregulated	EPA 515.4	250 mL amber glass	20 mg Sodium Thiosulfate	14 days
Private Herbicide	EPA 515.4	250 mL amber glass	Sodium Thiosulfate	14 days
Private Herbicide	EPA 515.4	1 L amber glass	Sodium Thiosulfate	14 days
Carbamates Regulated & Unregulated	EPA 531.2	40 mL amber vial	4mg Sodium Thiosulfate / 375mg Potassium Dihydrate Citrate	28 days
Petroleum	NWTPH-HCID	1L amber bottle	HCl pH<2, Cool to <4°C	7 days
Perchlorate	EPA 331.0/6850	125 mL HDPE	Cool to <4°C	14 days
Chlorinated Pesticides/PCBs	EPA 505	2 x 40 mL amber vial	3 mg Sodium Thiosulfate	14 days
(SOC) Haloacetic Acids	SM 6251B	2 x 40 mL amber vial	4 mg NH4CL	14 days
Full SOC	Multiple methods			14 days
SOC Pesticide Screen - Washington	Multiple methods	2 x 1 L amber glass (525.2) and 2 x 40 mL amber vial (505)	50 mg Sodium Sulfite, 3 mg Sodium Thiosulfate	14 days
SOC Pesticide Screen - Idaho	EPA 525.2	2 x 1 L amber glass	50 mg Sodium Sulfite	14 days
WA Short SOCs	525.2 / 505 / 515.4 / 531.2	See methods below	See methods below	14 days
(Phase II SOC) Carbanates Regulated & Unregulated	EPA 531.2	40 mL amber vial	4mg Sodium Thiosulfate / 375mg Potassium Dihydrate Citrate	28 days
(Phase II SOC) Chlorinated Pesticides/PCBs	EPA 505	2 x 40 mL amber vial	50 mg Sodium Thiosulfate	14 days
(Phase II SOC) EDB/DBCP	EPA 504.1	2 x 40 mL amber vial	3 mg Sodium Thiosulfate	14 days
(Phase II SOC) Herbicides Regulated & Unregulated	EPA 515.4	250 mL amber glass	20 mg Sodium Thiosulfate	14 days
(Phase II SOC) Semivolatiles	EPA 525.2	2 x 1 L amber glass	50 mg Sodium Sulfite	14 days
(Phase V SOC) Diquat	EPA 549.2	500mL HDPE	Sodium Thiosulfate	7 days
(Phase V SOC) Endothall	EPA 548.1	250 mL amber glass	Sodium Thiosulfate	7 days
(Phase V SOC) Glyphosate	EPA 547	2 x 40 mL amber vial	Sodium Thiosulfate	14 days
Total Organic Carbon (TOC)	SM 5310B	2 x 40 mL amber vial	H2SO4 or HCl pH<2	14 days
(VOC) Regulated & Unregulated Full List	EPA 524.3	3 x 40 mL amber vial	25 mg ascorbic acid, 200 mg maleic acid	14 days
(VOC) Single Volatile Compound (e.g. TCE or MTBE)	EPA 524.3	3 x 40 mL amber vial	25 mg ascorbic acid, 200 mg maleic acid	14 days
(VOC) Total Trihalomethanes (Total THM)	EPA 524.3	3 x 40 mL amber vial	25 mg ascorbic acid, 200 mg maleic acid	14 days
(VOC) Trihalomethanes (THMP)	EPA 524.3	3 x 40 mL amber vial	n/a	14 days
Regulated & Unregulated Full List	EPA 524.3	3 x 40 mL amber vial no headspace	25 mg ascorbic acid, 200 mg maleic acid	14 days
Regulated & Unregulated Full List	EPA 524.3	3 x 40 mL amber vial no headspace	25 mg ascorbic acid, 200 mg maleic acid	14 days
Private Volatiles (VOC)	EPA 524.3	3 x 40 mL amber vial no headspace	25 mg ascorbic acid, 200 mg maleic acid	14 days
Single Volatile Compound (i.e. TCE or MtBE)	EPA 524.3/624/8270	3 x 40 mL amber vial no headspace	25 mg ascorbic acid, 200 mg maleic acid	14 days

Drinking Water - Inorganics

Parameter	Method	Container	Preservative	Holding Time

Asbestos in Insulation or Tile		100 grams, Ziploc bag (no vermiculite)	Cool to <4°C	6 months
Asbestos in Insulation or Tile		100 grams, Ziploc bag (no vermiculite)	n/a	6 months
Fluoride	EPA 300.0	125 mL HDPE	n/a	7 days
Arsenic & Sodium	EPA 200.8 / 200.7	125 mL HDPE	n/a	6 months
Fluoride	EPA 300.0	125 mL HDPE	n/a	28 days
Idaho Primary IOC package with cyanide waiver	Multiple methods	1 L HDPE	n/a	28 days
Idaho Secondary/Optional IOC package	Multiple methods	1 L HDPE	n/a	ASAP
Nitrate	EPA 300.0	125 mL HDPE	n/a	48 hours
Nitrate/Nitrite	EPA 300.0	125 mL HDPE	n/a	48 hours
Phase II IOC metals	EPA 200.7/200.8	500 mL HDPE	n/a	28 days
Phase V IOC	Multiple methods	500 mL HDPE	n/a	6 months
Alkalinity	SM 2320B	125 mL HDPE	n/a	14 days
Ammonia	SM 4500 NH3-G	125 mL HDPE	H2SO4 pH<2	28 days
Anionic Surfactants	SM 5540C	250 mL HDPE	n/a	48 hours
Anions: (Cl, F or SO4)	EPA 300.0	125 mL HDPE	n/a	28 days
Anions: (NO2, NO3 or PO4)	EPA 300.0	125 mL HDPE	n/a	48 hours
Chlorine - Total Residual	SM 4500 Cl-G	2 x 40mL clear vial no headspace	n/a	15 minutes
Color	SM 2120B	125 mL HDPE	n/a	24 hours
Conductivity	SM 2510B	125 mL HDPE	n/a	28 days
Corrosivity - Langlier		1 L HDPE	n/a	ASAP
Cyanide	EPA 335.4/SM 4500-CNE	250mL HDPE	NaOH pH > 12	14 days
Hardness	EPA 200.7 / SM 2340B	125 mL HDPE	HNO# pH <2	6 months
Hydrogen Sulfide		1 L HDPE	1 Tablet NaOH/L + Zn Acetate, pH>9	7 days
Iron	EPA 200.7	125 mL HDPE	HNO3 pH < 2	6 months
Lead & Copper (Pb/Cu) Rule	EPA 200.8	1 L HDPE	HNO3 Lab Preserves	6 months
Mercury by CVAFS	EPA 245.7/EPA 1631E	I L glass or 250 mL fluorinated plastic	HCl pH < 2	6 months
Metals (single metals)	EPA 200.7/200.8/6010/6020	125 or 250 mL HDPE	HNO3 pH < 2	6 months
Odor		1 L HDPE	n/a	ASAP
pH	SM 4500 H+B	125 mL HDPE	n/a	15 minutes
Phenolics	EPA 420.1	1L amber bottle	H2SO4 pH<2	28 days
Silica/Silicon - Dissolved Only	EPA 200.7	125 mL HDPE	n/a	6 months
Surfactants	SM 5540C	1 L amber glass	n/a	48 hours
TDS	SM 2540C	1 L HDPE	n/a	7 days
TSS	SM 2540D	1 L HDPE	n/a	7 days
Turbidity	EPA 180.1	125 mL HDPE	n/a	48 hours
Washington Complete IOC	Multiple methods	2 x 1 L HDPE	NaOH for CN in 1L	48 hours
Idaho Complete IOC	Multiple methods	1 L HDPE	n/a	48 hours
Lead in Paint	EPA 6020	10 grams, Ziploc bag	Cool to <4°C	6 months
Nitrate	EPA 300.0	125 mL HDPE	n/a	48 hours
Gross Alpha / Gross Beta	EPA 900.0	1 L HDPE	HNO3 pH < 2	6 months
Radium-226 / Radium-228	EPA 903.0 / 904.0	1 L HDPE	HNO3 pH < 2	6 months
Coliform Bacteria, Nitrate	EPA 9223B/EPA 300.0	125 mL HDPE and Sterile 125 mL bottle	Sodium Thiosulfate (in Sterile bottle only)	30 hours
Coliform Bacteria, Nitrate, Lead, Arsenic	Multiple methods	1 Sterile 125 mL HDPE and 1 125 mL HDPE	Sodium Thiosulfate (in Sterile 125 mL HDPE only)	30 hours

Drinking Water - Private Well

Parameter	Method	Container	Preservative	Holding Time

Private Well List (with bacteria)	Multiple methods	125 mL HDPE and Sterile 125 mL bottle	Cool to <4°C	30 hours
Private Well List (without bacteria)	Multiple methods	125 mL HDPE	Cool to <4°C	48 hours

Drinking Water - Microbiology

Parameter	Method	Container	Preservative	Holding Time

Coliform P/A as Count	SM 9223B	Sterile 125 mL bottle	Sodium Thiosulfate	30 hours
Heterotrophic Plate Counts (HPC)	SM 9215B	Sterile 125 mL bottle	Sodium Thiosulfate	30 hours
Iron Bacteria		125 mL HDPE	n/a	30 hours
Coliform Presence/Absence	SM 9223B	Sterile 125 mL bottle	Sodium Thiosulfate	30 hours
Coliform Bacteria	SM 9223B	Sterile 125 mL HDPE	Sodium Thiosulfate	30 hours
Coliform Bacteria - Waste Water	SM 9223B	Sterile 125 mL HDPE	Sodium Thiosulfate	6 hours
BOD	SM 5210B	1 L plastic	n/a	2 days

Waste Water - Microbiology

Test	Method	Container	Preservative	Holding Time

Coliform MPN	SM9223B	Plastic	Na2S2O3	6 Hours
E. coli	SM9221F	Plastic	Na2S2O3	8 Hours
E coli MPN	SM9223B	Plastic	Na2S2O3	6 Hours
Fecal Coliforms	SM9221E	Plastic	Na2S2O3	8 Hours
Heterotrophic Plate Count	SM9215B	Plastic	Na2S2O3	8 Hours
Total Coliforms	SM9221B	Plastic	Na2S2O3	6 Hours
Total/E. coli Colilert	SM9223B	Plastic	Na2S2O3	24 Hours

Waste Water - Organics

OC PEST 8081AEPA 8081AGn/a7 Days

Test	Method	Container	Preservative	Holding Time

624 VOLATILES IN WW	EPA 624	2 x 40mL Amber Vial	HCl	14 Days
AMINOPYRALID	HPLC/MS/MS		n/a	10 Days
BTEX	EPA 624/8260	3 x 40mL Amber Vial	HCL	14 Days
CLOPYRALID	GC/MS/MS	Plastic or glass	n/a	14 Days
DIESEL	NWTPHD/EPA 8015D	1L Amber Glass	HCl	14 Days
EPA 8141A	EPA 8141B	1L Amber Glass	n/a	7 Days
EXPLOSIVES GC	EPA 8095	1L Amber Glass	n/a	7 Days
EXPLOSIVES HPLC	EPA 8330	1L Amber Glass	n/a	7 Days
GASOLINE	NWTPH-G/EPA 8015D	40mL Amber Vial	HCl	14 Days
Glyphosate-LC/MS	EPA 8321A	250mL Amber Glass	n/a	14 Days
HERBICIDES	EPA 8151A	1L Amber Glass	n/a	14 Days
KEROSENE MOSC	EPA 8015D	1L Amber Glass	HCl	14 Days
OP PESTS	EPA 8270Dm	1L Amber Glass	n/a	7 Days
PAH 8270D MOSC	EPA 8270D	1L Amber Glass	n/a	7 Days
PCB 8082	EPA 8082	G	n/a	7 Days
PERCHLORATE 331.0	EPA 331.0	125mL HDPE	n/a	28 Days
PEST SCREEN 8270D	EPA 8270D	1L Amber Glass	n/a	7 Days
SEMIVOLATILES 625	EPA 625	2 x 1L Amber Glass	n/a	7 Days
SVOC 8270D	EPA 8270D	1L Amber Glass	n/a	7 Days
TCLP HERBICIDES	EPA 8151A	1L Amber Glass	n/a	7 Days
TCLP PESTICIDES	EPA 8081A	1L Amber Glass	n/a	14 Days
TCLP SVOC	EPA 8270D	1L Amber Glass	n/a	14 Days
TCLP VOLATILES	EPA 8260B	3 x 40mL Amber Vial	HCl	14 Days
TOC/DOC	SM 5310B	40mL Clear Vial	HCl	28 Days
VOLATILE ACIDS GC	EPA 8015D	40mL HCL Vial	HCl	14 Days
VOLATILES 8260	EPA 8260B	3 x 40mL HCL Vial	HCl	14 Days
VOLATILES MISC GC/MS	EPA 8260B	3 x 40mL HCL Vial	HCl	14 Days
Volatiles Priority Pollutant	EPA 624	2 x 40mL HCL Vial	HCl	14 Days
WA Fertilizer Metals	N/A			14 Days

Waste Water - Radiochemistry

Test	Method	Container	Preservative	Holding Time

GROSS ALPHA	EPA 900.0	1L HDPE	HNO3	180 Days
GROSS BETA	EPA 900.0	1L HDPE	HNO3	180 Days
RADIUM-226	EPA 903.0	1L HDPE	HNO3	180 Days
RADIUM-228	EPA 904.0	1L HDPE	HNO3	180 Days

Waste Water - Inorganics

Test	Method	Container	Preservative	Holding Time

ALKALINITY	SM2320B	250mL HDPE	n/a	48 Hours
AMMONIA-NITROGEN	SM4500NH3G	125mL HDPE	H2SO4	28 Days
BOD	SM 5210B	1 L plastic	n/a	2 Days
CARBONATE	SM2320B	125mL HDPE	n/a	48 Hours
CHLORIDE	EPA 300.0	125mL HDPE	n/a	28 Days
CHROMIUM VI (HEXAVALENT)	SM3500CR	250 mL HDPE Hex Kit	n/a	28 Days
CN AMENABLE TO CHLORINATION	SM4500CNG	Plastic or glass	NaOH	14 Days
COLOR	SM 2120B	125mL HDPE	n/a	24 Hours
CONDUCTIVITY	SM2510B	Plastic or glass	n/a	7 Days
CYANIDE FREE SM 4500 CN-E	SM4500CNE	250mL HDPE	NaOH	14 Days
CYANIDE REACTIVE	SW846 CH7	250mL HDPE	NaOH	14 Days
CYANIDE TOTAL EPA	EPA 335.4	250mL HDPE	NaOH	14 Days
CYANIDE WAD	SM4500CNI	250mL HDPE	NaOH	14 Days
DISSOLVED MERCURY-CVAFS	EPA 245.7		HNO3	28 Days
DISSOLVED MERCURY-TRACE	EPA 1631e	PTFE/Glass	HCl / BrCl	180 Days
DISSOLVED METALS - ICP	EPA 200.7/6010B	Plastic or glass	HNO3	28 Days
DISSOLVED METALS ICP-MS	EPA 200.8/6020a	Plastic or glass	HNO3	28 Days
DISSOLVED NITRATE	EPA 300.0		n/a	48 Hours
DISSOLVED NITRATE + NITRITE AS N	EPA 300.0		n/a	48 Hours
DISSOLVED NITRITE	EPA 300.0		n/a	48 Hours
DISSOLVED PHOSPHATE/P FIA	SM4500PF	Plastic or glass	H2SO4	28 Days
DISSOLVED SULFATE	EPA 300.0		n/a	28 Days
DISSOLVED TOTAL P FIA	SM4500PF	Plastic or glass	H2SO4	28 Days
DOC - MOSC	SM 5310B	40mL Clear Vial	HCl	28 Days
FLUORIDE	EPA 300.0	125mL HDPE	n/a	28 Days
FOG - HEM	EPA 1664A	1L Amber Glass	H2SO4 or HCl	28 Days
FOG - NON POLAR	EPA 1664	1L Amber Glass	H2SO4 or HCl	28 Days
GLYCOLS - EG & PG	EPA 8015	1L Amber Glass	Sodium Thiosulfate	14 Days
HARDNESS	EPA 200.7	250mL HDPE	HNO3	180 Days
MERCURY-CV-7471A	EPA 7471A			28 Days
MERCURY-CVAFS	EPA 245.7	40mL Amber Vial	HCl	28 Days
MERCURY-ICPMS	EPA 200.8	250mL HDPE	HNO3	180 Days
MERCURY-TRACE	EPA 1631e	PTFE/Glass	HCl / BrCl	180 Days
METALS ICP	EPA 200.7/6010B	Plastic or glass	HNO3	180 Days
METALS ICP-MS	EPA 200.8	Plastic or glass	HNO3	180 Days
NITRATE/NITRITE FIA	SM 4500 NO3F/EPA 353.2	125mL HDPE	H2SO4	48 Hours
NITRATE/NITRITE	EPA 300.0	125mL HDPE	n/a	48 Hours
NITRITE - TOTAL N+N FIA	SM 4500 NO3F	125mL HDPE	H2SO4	28 Days
pH	SM 4500pH-B	Plastic or glass	n/a	15 Minutes
PHENOLICS TOTAL	EPA 420.1	1L Amber Glass	H2SO4	28 Days
PHOSPHATE - SRP	SM4500PF	Plastic or glass		28 Days
PHOSPHATE/P	EPA 300.0	Plastic or glass	n/a	48 Hours
PHOSPHATE/P FIA	SM4500PF	Plastic or glass	H2SO4	28 Days
SOLIDS - TDS/TSS/TS/TVS/VSS	SM 2540C	Plastic or glass	n/a	7 Days
SOLIDS - FDS	EPA 160.4	1L HDPE	n/a	7 Days
SULFATE	EPA 300.0	Plastic or glass	n/a	28 Days
SULFIDE REACTIVE	SW846 CH7	250ml HDPE	NaOH / ZnAc	7 Days
SURFACTANTS	SM5540C	Plastic or glass	n/a	48 Hours
TANNIN & LIGNIN	SM5550B	Plastic or glass	n/a	28 Days
TCLP MERCURY BY 245.7	EPA 245.7			28 Days
TCLP Metals	EPA 6020A	Plastic or glass		14 Days
TCLP METALS	EPA 6020A		n/a	14 Days
TCLP Metals ICP	EPA 6020A	Plastic or glass		14 Days
TKN	SM4500NORGC	125mL HDPE	H2SO4	28 Days
TOTAL 4	N/A	Plastic or glass	HNO3	14 Days
TOTAL P FIA	SM4500PF	125mL HDPE	H2SO4	28 Days
TOTAL RESIDUAL CHLORINE	SM4500CLG	44 mL VOA Vial	n/a	15 Minutes
TOTAL VOLATILE ACIDS	SM5560C	Plastic or glass	n/a	14 Days
TURBIDITY	EPA 180.1	Plastic or glass	n/a	48 Hours

Soils / Solids - Microbiology

Test	Method	Container	Preservative	Holding Time

E COLI	SM9221F	Plastic	n/a	24 Hours
FECAL COLIFORMS	SM9221E	Plastic	n/a	24 Hours
HETEROTROPIC PLATE COUNT	SM9215B	Plastic	n/a	24 Hours
TOTAL COLIFORMS	SM9221B	Plastic	n/a	24 Hours

Soils / Solids - Organics

Test	Method	Container	Preservative	Holding Time

ACROLEIN	EPA 8260B	Glass	Cool to 4°C	14 Days
AMINOPYRALID	HPLC/MS/MS	Plastic or glass	Cool to 4°C	10 Days
BTEX 8260	EPA 8260B	Glass	Cool to 4°C	14 Days
CARBAMATE PESTICIDES	EPA 8318	Glass	Cool to 4°C	28 Days
CLOPYRALID	GC/MS/MS	Plastic or glass	Cool to 4°C	28 Days
DIESEL	NWTPH-DX/EPA 8015D	Glass	Cool to 4°C	14 Days
EPA 6850 perchlorate	EPA 331.0	4oz glass jar	Cool to 4°C	14 Days
EPA 8141A	EPA 8141A		Cool to 4°C	7 Days
EPH - WA DOE	WTPHEPH	Glass	Cool to 4°C	14 Days
EXPLOSIVES GC	EPA 8096	Glass	Cool to 4°C	14 Days
EXPLOSIVES HPLC	EPA 8330	Glass	Cool to 4°C	14 Days
GASOLINE	NWTPH-GX/EPA 8015D	Glass	Cool to 4°C	14 Days
GLYPHOSATE IN SOIL	HPLC/MS/MS	Glass	Cool to 4°C	28 Days
HERBICIDES	EPA 8151A	Glass	Cool to 4°C	14 Days
KEROSENE	EPA 8015D		Cool to 4°C	14 Days
METHAMPHETAMINE	HPLC/MS/MS		Cool to 4°C	28 Days
OC PEST 8081A	EPA 8081A	Glass	Cool to 4°C	14 Days
OP PESTS	EPA 8270Dm/EPA 8141	Glass	Cool to 4°C	14 Days
PAH 8270D MOSC	EPA 8270D	1L Amber Glass	Cool to 4°C	7 Days
PCB 8082	EPA 8082	Glass	Cool to 4°C	14 Days
PERCHLORATE 6850	EPA 6850	8 OZ JAR	Cool to 4°C	14 Days
SEMIVOLATILES 625	EPA 625	Glass	Cool to 4°C	7 Days
SEMIVOLATILES MISC GC/FID	GC/FID		Cool to 4°C	7 Days
SEMIVOLATILES MISC GC/MS	EPA 8270CMOD		Cool to 4°C	14 Days
SEMIVOLATILES MISC GC/MS/MS	EPA 8270CMOD		Cool to 4°C	7 Days
SEMIVOLATILES MISC HPLC	HPLC		Cool to 4°C	14 Days
SEMIVOLATILES MISC LC/MS/MS	EPA 8321A		Cool to 4°C	14 Days
SPLP TPHDx	EPA 8015D		Cool to 4°C	14 Days
SVOC 8270D MOSC	EPA 8270D	1L Amber Glass	Cool to 4°C	7 Days
TCLP HERBICIDES	EPA 8151A		Cool to 4°C	14 Days
TCLP PCB	EPA 8082		Cool to 4°C	14 Days
TCLP PESTICIDES	EPA 8081A		Cool to 4°C	14 Days
TCLP SVOC	EPA 8270D		Cool to 4°C	14 Days
TCLP VOLATILES	EPA 8260B		Cool to 4°C	14 Days
VOLATILES 8260	EPA 8260B	Glass	Cool to 4°C	14 Days

Soils / Solids - Inorganics

Test	Method	Container	Preservative	Holding Time

ALKALINITY	SM2320B	Plastic or glass	Cool to 4°C	48 Hours
AMMONIA-NITROGEN	SM4500NH3G	Plastic or glass	Cool to 4°C	28 Days
CATION EXCHANGE CAPACITY	EPA 9081	Plastic or glass	Cool to 4°C	28 Days
CHLORIDE	EPA 300.0	Plastic or glass	Cool to 4°C	28 Days
CN AMENABLE TO CHLORINATION	SM4500CNG	Plastic or glass	Cool to 4°C	14 Days
CONDUCTIVITY	ASTM G57A		Cool to 4°C	7 Days
CYANIDE REACTIVE	SW846 CH7	Plastic or glass	Cool to 4°C	14 Days
CYANIDE TOTAL	EPA 335.4/EPA 9012B	Plastic or glass	Cool to 4°C	14 Days
CYANIDE TOTAL EPA 9012B	EPA 9012B		Cool to 4°C	14 Days
CYANIDE TOTAL SM	SM4500CNE	Plastic or glass	Cool to 4°C	14 Days
CYANIDE WAD	SM4500CNI	Plastic or glass	Cool to 4°C	14 Days
FLUORIDE	EPA 300.0	Plastic	Cool to 4°C	28 Days
FOG - HEM	EPA 1664A	Glass	Cool to 4°C	28 Days
FOG - NON POLAR	EPA 1664	Glass	Cool to 4°C	28 Days
GLYCOLS - EG & PG	EPA 8015	Glass	Cool to 4°C	14 Days
HEX CHROM - SOIL	SM3500 CrD	Plastic or Glass	Cool to 4°C	28 Days
MERCURY-CV-7471A	EPA 7471A		Cool to 4°C	28 Days
MERCURY-ICPMS	EPA 6020A	Plastic or glass	Cool to 4°C	180 Days
METALS ICP	EPA 200.7/6010B		Cool to 4°C	180 Days
METALS ICP-MS	EPA 6020A	Plastic or glass	Cool to 4°C	180 Days
NITRATE FIA	SM 4500 NO3F	Plastic or glass	Cool to 4°C	48 Hours
NITRATE/N	EPA 300.0	Plastic or glass	Cool to 4°C	48 Hours
NITRATE+ NITRITE AS N	EPA 300.0	Plastic or glass	Cool to 4°C	28 Days
NITRATE+NITRITE FIA	SM 4500 NO3F	Plastic or glass	Cool to 4°C	28 Days
NITRITE FIA	SM 4500 NO3F	Plastic or glass	Cool to 4°C	48 Hours
NITRITE/N	EPA 300.0	Plastic or glass	Cool to 4°C	48 Hours
pH 1:5	EPA 9045	Plastic or glass	Cool to 4°C	ASAP
PHENOLICS TOTAL	EPA9065	Glass	Cool to 4°C	28 Days
PHOSPHATE/P	EPA 300.0	Plastic or glass	Cool to 4°C	48 Hours
PHOSPHATE/P FIA	SM4500PF	Plastic or glass	Cool to 4°C	48 Hours
SOLIDS - TSS/TVS	SM2540D	Plastic or glass	Cool to 4°C	7 Days
SPLP MERCURY BY 245.7	EPA 245.7		Cool to 4°C	28 Days
SPLP Metals	EPA 6020A	Plastic or glass	Cool to 4°C	14 Days
SULFATE	EPA 300.0	Plastic or glass	Cool to 4°C	28 Days
SULFIDE - EXTRACTABLE	EPA 9031		Cool to 4°C	Days
SULFIDE REACTIVE	SW846 CH7		Cool to 4°C	Days
SURFACTANTS	SM5540C	Plastic or glass	Cool to 4°C	48 Hours
SURFACTANTS	SM5540C	Plastic or glass	Cool to 4°C	48 Hours
TCLP 8 METALS	N/A		Cool to 4°C	14 Days
TCLP MERCURY BY 245.7	EPA 245.7		Cool to 4°C	14 Days
TCLP MERCURY BY 6010B	EPA 6010B		Cool to 4°C	180 Days
TCLP Metals	EPA 6020A	Plastic or glass	Cool to 4°C	14 Days
TCLP Metals ICP	EPA 6010B		Cool to 4°C	180 Days
TKN	SM4500NORGC	Plastic or glass	Cool to 4°C	28 Days
TOTAL 4/8	N/A		Cool to 4°C	14 Days
TOTAL P FIA	SM4500PF	Plastic or glass	Cool to 4°C	28 Days
TOTAL SOLIDS	SM2540G		Cool to 4°C	28 Days