ENVIRONMENTAL LABORATORY APPROVAL PROGRAM CERTIFICATION MANUAL

Transcription

1 1 of 9 Note 1: Consumer collected samples may be left unpreserved for up to. Note 2: ELAP offers Nitrate or Nitrite only for accreditation. ELAP does not offer combined Nitrate-Nitrite. The preservation and holding time requirements for combined Nitrate-Nitrite is Cool to 4 C, H2SO4 to, and 28 days. Note 3: Per NELAC/TNI standards, All samples, which require thermal preservation, shall be considered acceptable if the arrival temperature is either within ± 2 C of the required temperature or the method specified range. For a sample with a specified temperature of 4 C, sample with a temperature ranging from just above the freezing temperature of water to 6 C shall be acceptable Inorganic Tests: Alkalinity P,G Separate bottle completely filled to the exclusion of air. Antimony P,G HNO3 to Arsenic P,G HNO3 to Barium P,G HNO3 to Beryllium P,G HNO3 to Inorganic Tests: Bromate P,G 50 mg IL EDA 28 days Cadmium P,G HNO3 to Calcium P,G HNO3 to Chloride P,G None 28 days Chlorine Residual P,G None immediately Chlorite P,G 50 mg IL EDA, Chromium P,G HNO3 to Color P,G 48 hours

2 2 of 9 Conductivity P,G 28 days Copper P,G HNO3 to Note 1 Cyanide P,G, NaOH to ph=12, 1.2 g/l ascorbic acid Fluoride P,G None 28 days Lead P,G HNO3 to Note 1 Mercury P,G HNO3 to 28 days Nickel P,G HNO3 to Nitrate Note 2 P,G 48 hours Chlorinated Samples only P,G Nitrite P,G 48 hours ph P,G None immediately Phosphorus (as Orthophosphate) P,G 48 hours Selenium P,G HNO3 to Silica P 28 days Silver P,G HNO3 to Sodium P,G HNO3 to Sulfate P,G 28 days Thallium P,G HNO3 to Total Filterable Residue P,G 7 days Turbidity P,G 48 hours UV254 Absorbance P,G 48 hours

3 3 of 9 Organic Tests: Trihalomethanes Bromodichloromethane Bromoform Chlorodibromomethane Chloroform Teflon-lined Septum 0.008% Na2S2O3, Volatile Halocarbon and Volatile Aromatics: Methy-tert-butyl ether Teflon-lined Septum Ascorbic Acid (25 mg/40 ml) added to empty sample bottle then add 1:1 HCl to. Microextractables: Method Teflon-lined Septum, 3 mg Na2S2O3 per 40 ml vial Method 505 analytes Alachlor Aldrin Atrazine Chlordane Dieldrin Heptachlor Heptachlor epoxide Hexachlorobenzene Hexachlorocyclopentadiene Lindane Methoxychlor Metolachlor Metribuzin PCB s Simazine Toxaphene 40-ml glass vial with liner 3 mg Na2S2O3, 7 days Method 506 analytes Di-(2-ethylhexyl)adipate Di-(2-ethylhexyl) phthalate 1-L (or qt.) amber glass 60 mg Na2S2O3,, until, then after Method 507 analytes 1-L Borosilicate 80 mg Na2S2O3,, Protect until, then

4 4 of 9 Alachlor Atrazine Butachlor Chlordane Metolachlor Metribuzine Propachlor Simazine Method 508 analytes Aldrin Chlordane Dieldrin Endrin Heptachlor Heptachlor epoxide Hexachlorobenzene Hexachlorocyclopentadiene Lindane Methoxychlor Metribuzin PCB s Toxaphene Method 508A PCB s, Total as decachlorobiphenyl glass, graduated, 1-L Borosilicate glass, graduated, 1-L glass, with TFE lined after 80 mg Na2S2O3,, Protect 7 days until, then after until, then 30 days after Method All 1-L glass with TFE lined 50 mg Na2S2O3 then 1:1 HCl to, until then 30 days after Method ,3,7,8-TCDD 1-L amber glass with TFE lined 80 mg Na2S2O3,, Protect ph 7-9 one year until, then one year after Method 515.1: 515.2, Chlorinated Acids 1-L Borosilicate glass, graduated, 80 mg Na2S2O3, Protect until, then after

5 5 of 9 Method ml VOA vial See section 8.1 and 8.4 of method. Analyze within of collection Method Alachlor Aldrin Atrazine Benzo(a)pyrene Butachlor Chlordane (Technical) Dieldrin Di(2ethylhexyl)adipate Di(2-ethylhexyl) phthalate Endrin Heptachlor Heptachlor Epoxide Hexachlorobenzene Hexachlorocyclopentadiene Lindane Methoxychlor Metolachlor Metribuzin Pentachlorophenol Propachlor Simazine Toxaphene Refrigerated glass sample containers - Sampling must be free of plastic tubing, gaskets, etc. that may leach analytes into water. Cool, 4 C, Remove Cl residual; adjust with6 N HCl Extract within. Analyze within 30 days of sample Method Methylcarbamate pesticides 60-ml vial with PTFE silicone faced septa 1.8 ml acetic acid buffer, 4.8 mg Na2S2O3, ph=3±0.2 for 4 analytes, Ship at 4 o C, Store at - 10 o C 28 days Method Methylcarbamate pesticides 60-ml vial with PTFE silicone faced septa Use Na2S2O3 & C6H7KO7 to ph~3.8 for 4 analytes, Ship at 10 o C, Store in dark at 6 o C 28 days

6 6 of 9 Glyphosate 60-ml vial PTFE faced Silicone 6 mg Na2S2O3,, Protect Endothall 40-ml amber glass vial with TFE lined, Protect 7 days Diquat 1-L amber plastic or silanized glass with screw 100 mg Na2S2O3 H2SO4 to ph=2,, Protect 7 days until, then 21 days after Benzo(a)pyrene 1-L (or qt.) amber glass 100 mg Na2S2O3, 1:1 HCl to, ; Protect 7 days until then 30 (40 for Method550.1) days after Method Alachlor Atrazine Bromochloromethane Bromodichloromethane Bromoform Carbon Tetrachloride Chloroform Dibromochloromethane 1,2-Dibromo-3- chloropropane [DBCP] 1,2 Dibromoethane [EDB] Endrin Heptachlor Heptachlor epoxide Hexachlorobenzene Hexachlorocyclopentadiene Lindane Methoxychlor Metalochlor Metribuzin 60 ml glass vials with Teflon lined Septum Sodium Sulfite or Ammonium Chloride (for microextractables), ph with phosphate buffer, until, then after

7 7 of 9 Simazine Tetrachloroethylene 1,1,1-Trichloroethane 1,1,2-Trichloroethane Trichloroethylene Method Dalapon Monochloroacetic acid Dichloroacetic acid Trichloroacetic acid Monobromoacetic acid Dibromoacetic acid Bromochloroacetic Acid Method Dalapon Monochloroacetic acid Dichloroacetic acid Trichloroacetic acid Monobromoacetic acid Dibromoacetic acid Bromochloroacetic Acid Amber glass with TFE liner Amber glass with TFE liner Add NH4Cl to a concentration of 100 mg/l in sample, Add NH4Cl to a concentration of 100 mg/l in sample, Extract within 28 days of collection. Analyze extract within 48 hours if stored at 4 o C or less. Extract within of collection. Analyze extract within 7 days if stored dark at 4 o C or less or if - 10 o C or less. See section 8.3 of method. Method Dalapon Monochloroacetic acid Dichloroacetic acid Trichloroacetic acid Monobromoacetic acid Dibromoacetic acid Bromochloroacetic Acid Amber glass with TFE liner Add NH4Cl to a concentration of 100 mg/l in sample,. Extracts stored at - 10 o C. Extract within. See section 8.4 of method. Method 555 2,4-D Dicamba Pichloram 2,4,5-TP TFE liner Acidify to ph2 with 1:1 HCl, Dechlorinate with 5 mg NaSO3 per 100mL sample,, Protect Analyze after, within of collection

8 8 of 9 Microscopical Tests: Asbestos P,G 48 hours Asbestos P,G Preserved with 10 gm/l of O3, and UV treatment Instructions for containers, preservation procedures and holding times as specified in Method must be adhered to for all compliance analyses including those conducted with Method Radiological Tests: Gross Alpha P,G HCl or HNO3 to Gross Beta P,G HCl or HNO3 to Strontium-89 P,G HCl or HNO3 to Strontium-90 P,G HCl or HNO3 to Radium-226 P,G HCl or HNO3 to Radium-228 P,G HCl or HNO3 to Radon-222 teflon-lined septum (1yr for composites) (1yr for composites) (1yr for composites) 4 days Radioactive Cesium P,G HCl to Iodine-131 P,G None 7 days

9 9 of 9 Tritium G None Uranium P,G HCl or HNO3 (1yr for composites) Photon Emitters P,G HCl or HNO3