ENVIRONMENTAL LABORATORY APPROVAL PROGRAM CERTIFICATION MANUAL DATE

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Jasmin Johns
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1 of 3 The required detection limit is generally that of the approved method's detection limit and a value less than the regulatory limit for the analyte. For the Drinking Water Category, the Program has established required detection limits (RDL) for the analytes listed below, where applicable, and included in Code of Federal Regulations () Part 4.23 (Inorganics) and 4.24 (Organics). Another useful reference is EPA s Manual for the Certification of Laboratories Analyzing Drinking Water Criteria and Procedures for Quality Assurance (5 th Edition). In order to declare the contaminant as absent from the potable water sample, the analysis must establish that the contaminant is absent at the levels indicated below. It is important for laboratories to achieve these detection levels because reporting to these levels will impact required sampling frequencies. The maximum contaminant level (MCL), if established, for each of the regulated contaminants or contaminant groups can be found in NYCRR Part 5, Subpart 5- Public Water Systems Tables, and 40 Part 4 and 43. They have been included in the table for ease of reference, and they will be updated as changes are made to either the state or federal regulations. s for Inorganic s Methodology Non-Metals RDL (mg/l) Note: The monitoring trigger for the inorganics is the MCL except for nitrate and nitrite, which are /2 the MCL in Part 4 to composite. Asbestos [7MFL;>0um] Bromate [0.00] Chlorite [.0] Cyanide (as free) Transmission Electron Microscopy EPA 37.0 rev. 2, other methods Distillation, Visible Molecular Absorption 0.0 MFL

2 2 of 3 s for Inorganic s Methodology [0.2] Distillation, Automated, Visible Molecular Absorption Distillation, Amenable, Visible Molecular Absorption Distillation, Potentiometry (Ion Selective Electrode) UV, Distillation, Visible Molecular Absorption Micro Distillation, Flow Injection, Visible Molecular Absorption Ligand Exchange with Amperometry Nitrate [0 as N] Manual Cadmium Reduction 0.0 Auto Analyzer Hydrazine Reduction 0.0 Auto Analyzer Cadmium Reduction 0.05 Potentiometry (Ion Selective Electrode) Ion Chromatography 0.0 Capillary Ion Electrophoresis Nitrite [ as N] Visible molecular absorption spectrometry 0.0 Auto Analyzer Cadmium Reduction 0.05 Manual Cadmium Reduction 0.0 Ion Chromatography Capillary Ion Electrophoresis 0.03 Total Nitrate-

3 3 of 3 s for Inorganic s Methodology Nitrite [0 as N] Metals Note: The monitoring trigger for metals is the MCL unless compositing, then /5 the MCL is required. Antimony [0.006] Arsenic [0.00] Wall Platform Inductively Coupled Plasma Mass Hydride Generation Atomic Absorption Wall Platform Inductively Coupled Plasma Mass Hydride Generation Atomic Absorption Barium [2.00] Wall Flame Atomic Absorption 00 2 Inductively Coupled Plasma Atomic Emission 2

4 4 of 3 s for Inorganic s Methodology Beryllium [0.004] Cadmium [0.005] Chromium [0.0] Wall Platform Inductively Coupled Plasma Atomic Emission Inductively Coupled Plasma Mass Wall Inductively Coupled Plasma Atomic Emission Wall Inductively Coupled Plasma Atomic Emission Copper Not Specified 50 [Treatment Technique; Action Level =.3] Lead Not Specified [Treatment Technique; Action Level = 0.05]

5 5 of 3 s for Inorganic s Methodology Iron [0.3* - NYS] Manganese [0.05] [0.3* - NYS] * If Fe and Mn are present, the total concentration of both should not exceed 0.5 mg/l. Higher levels may be allowed by the State when justified by the supplier of water. Mercury Cold Vapor Atomic Absorption 0.2 [0.002] Automated Cold Vapor Atomic Absorption 0.2 Nickel Selenium [0.05] Wall Platform Inductively Coupled Plasma Atomic Emission Inductively Coupled Plasma Mass Wall Hydride Generation Atomic Absorption Silver 0 [0.0] Sodium 200

6 6 of 3 s for Inorganic s Methodology [No designated limits] Thallium [0.002] Wall Platform Inductively Coupled Plasma Mass Zinc 50 [5.0] Fluoride [2.2] Chloride [250.0] Sulfate [250.0] Color [5 units] Odor [3 units]

7 7 of 3 s for Organic s [MCL (mg/l)] Microextractables / Specific Organic Chemicals (SOC) Ethylene dibromide (EDB) 0.0 [ ],2-Dibromo-3-chloropropane (DBCP) [0.0002] Volatile Halocarbons and Aromatics / General Organic Chemicals 0.5 [MCL s vary between for Benzene, Carbon Tetrachloride,,2- Dichloroethane, Dichloromethane,,2-Dichloropropane, Tetrachloroethylene,,,2-Trichloroethane, Trichloroethylene to 0 for Xylenes.] [NYS Principal Organic (POC) =. ] [NYS Unspecified Organics (UOC) =. ] [Total POCs and UOCs =. ] Organic Disinfection Byproducts RDL (mg/l) Total Trihalomethanes (THMs) [0.08] THM, Chloroform THM, Bromodichloromethane THM, Dibromochloromethane THM, Bromoform 0.000

8 8 of 3 s for Organic s [MCL (mg/l)] Haloacetic acids (HAA5) [0.06] HAA5, Monochloroacetic Acid HAA5, Dichloroacetic Acid HAA5, Trichloroacetic Acid HAA5, Monobromoacetic Acid HAA5, Dibromoacetic Acid PCBs / Specific Organic Chemicals (SOC) Aroclor Aroclor Aroclor Aroclor Aroclor Aroclor Aroclor Polychlorinated biphenyls (PCBs) (as decachlorobiphenyl) 0. [0.0005] Pesticides / Specific Organic Chemicals (SOC) Alachlor 0.2 [0.002]

9 9 of 3 s for Organic s [MCL (mg/l)] Atrazine 0. [0.003] Chlordane 0.2 [0.002] Endrin 0.0 [0.002] Heptachlor 0.04 [0.0004] Heptachlor epoxide [0.0002] Lindane [0.0002] Methoxychlor 0. [0.04] Simazine 0.07 [0.004] Toxaphene [0.003] Carbamate Pesticides / Specific Organic Chemicals (SOC) Aldicarb 0.5 [0.003]

10 0 of 3 s for Organic s [MCL (mg/l)] Aldicarb sulfoxide 0.5 [0.004] Aldicarb sulfone 0.8 [0.002] Carbofuran 0.9 [0.04] Oxamyl 2 [0.2] Chlorophenoxy Acid Herbicides / Specific Organic Chemicals (SOC) Dalapon [0.2] Dinoseb 0.2 [0.007] 2,4-D 0. [0.07] [ NYS] Picloram 0. [0.5] Pentachlorophenol 0.04 [0.00] 2,4,5-TP (Silvex) 0.2 [0.05] [0.0 - NYS]

11 of 3 s for Organic s [MCL (mg/l)] Herbicides Diquat 0.4 [] Endothall 9 [0.] Glyphosate 6 [0.7] Chlorinated Hydrocarbons / Specific Organic Chemicals (SOC) Hexachlorobenzene 0. [0.00] Hexachlorocyclopentadiene 0. [0.05] PAH / Specific Organic Chemical (SOC) Benzo(a)pyrene [0.0002] Dioxin / Specific Organic Chemical (SOC) 2,3,7,8-TCDD (Dioxin) RDL (ng/l) [ ]

12 2 of 3 s for Organic s [MCL (mg/l)] Mixed Esters / Specific Organic Chemicals (SOC) Di(2-ethylhexyl)adipate 0.6 [0.4] Di(2-ethylhexyl)phthalate 0.6 [0.006] Other Specific Organic Chemicals (SOC) Methyl-teritary-butyl ether [0.00] Vinyl chloride [0.002] PFOA and PFOS RDL (ng/l) Perfluorooctanic acid (PFOA) 2 Perfuorooctanesulfonic acid (PFOS) 2 Other Emerging s,4-dioxane

13 3 of 3 s for Organic s Radionuclides RDL (pci/l) Gross Alpha 3 Radium 226 Radium 228 Tritium 000 Strontium-89 0 Strontium-90 2 Iodine-3 Cesium-34 0 Gross Beta 4

ENVIRONMENTAL LABORATORY APPROVAL PROGRAM CERTIFICATION MANUAL

ENVIRONMENTAL LABORATORY APPROVAL PROGRAM CERTIFICATION MANUAL 1 of 8 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