Galbraith Laboratories, Inc.

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(A2LA Cert. No. 2777.01) Revised 01/15/2026 Page 1 of 3 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 ADVANCED TESTING LABORATORY, INC. dba GALBRAITH LABORATORIES, INC. 2323 Sycamore Drive Knoxville, TN 37921-1700 Loc Nguyen Phone: (865) 546-1335 CHEMICAL Valid To: July 31, 2027 Certificate Number: 2777.01 In recognition of the successful completion of the A2LA evaluation process, accreditation is granted to this laboratory to perform the following tests: Metals Analysis: Test Name Test Number Atomic Absorption Spectrometry Li, Be, B, Na, Mg, Al, Si, P, S, K, Ca, Sc, Ti, V, Cr, Mn, Fe, Ni, Co, Cu, Zn, Ga, Ge, As, Se, Rb, Sr, Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd, In, Sn, Sb, I, Te, Cs, Ba, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Hf, Ta, W, Re, Os, Ir, Pt, Au, Hg, Tl, Pb, Bi, Ac, Th, U ME-71 Elemental Impurities USP <233> Inductively Coupled Plasma – Atomic Emission Spectrometry Li, Be, B, Na, Mg, Al, Si, P, S, K, Ca, Sc, Ti, V, Cr, Mn, Fe, Ni, Co, Cu, Zn, Ga, Ge, As, Se, Rb, Sr, Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd, In, Sn, Sb, I, Te, Cs, Ba, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Hf, Ta, W, Re, Os, Ir, Pt, Au, Hg, Tl, Pb, Bi, Ac, Th, U EPA SW-846 Method 6010B Inductively Coupled Plasma – Atomic Emission Spectrometry Li, Be, B, Na, Mg, Al, Si, P, S, K, Ca, Sc, Ti, V, Cr, Mn, Fe, Ni, Co, Cu, Zn, Ga, Ge, As, Se, Rb, Sr, Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd, In, Sn, Sb, I, Te, Cs, Ba, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Hf, Ta, W, Re, Os, Ir, Pt, Au, Hg, Tl, Pb, Bi, Ac, Th, U ME-70 Inductively Coupled Plasma – Mass Spectrometry Li, Be, B, Na, Mg, Al, Si, P, S, K, Ca, Sc, Ti, V, Cr, Mn, Fe, Ni, Co, Cu, Zn, Ga, Ge, As, Se, Rb, Sr, Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd, In, Sn, Sb, I, Te, Cs, Ba, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Hf, Ta, W, Re, Os, Ir, Pt, Au, Hg, Tl, Pb, Bi, Ac, Th, U EPA SW-846 Method 6020 Mercury by Automated Cold Vapor Atomic Absorption E80-3

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(A2LA Cert. No. 2777.01) Revised 01/15/2026 Page 2 of 3 Test Name Test Number Semi-Quantitative Metals Screen by Mass Spectrometry Li, Be, B, Na, Mg, Al, P, K, Ca, Sc, Ti, V, Cr, Mn, Ni, Co, Cu, Zn, Ga, As, Se, Rb, Sr, Y, Zr, Nb, Ru, Rh, Pd, Ag, Cd, In, Sn, Sb, I, Te, Cs, Ba, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Hf, Ta, W, Re, Os, Ir, Pt, Hg, Tl, Pb, Bi, Th, U ME-31 Standard Test Method for Elements in Digestates by Inductively Coupled Plasma Mass Spectroscopy Li, Be, B, Na, Mg, Al, Si, P, S, K, Ca, Sc, Ti, V, Cr, Mn, Fe, Ni, Co, Cu, Zn, Ga, Ge, As, Se, Rb, Sr, Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd, In, Sn, Sb, I, Te, Cs, Ba, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Hf, Ta, W, Re, Os, Ir, Pt, Au, Hg, Tl, Pb, Bi, Ac, Th, U ME-30 Chromatographic Analysis: Test Name Test Number High Performance Liquid Chromatography (HPLC) Acetic Acid, Benzocaine, Butylated Hydroxytoluene, Citric Acid, Dicyclohexylurea, Formaldehyde, Hydroxybenzotriazole, Phenol, Phenoxyethanol, Salicylate LC-100 Residual Solvents by Gas Chromatography Using Direct Injection and Flame Ionization Detection 1,4-Dioxane, Acetone, Acetonitrile, Benzene, Carbon, Chloroform, Dimethylformamide, Dimethylsulfoxide, Ethanol, Ethyl Acetate, Ethyl Ether, Hexanes, Isopropyl Alcohol, Methanol, Methylene Chloride, Pyridine, Tetrachloride, Tetrahydrofuran, Toluene, Xylenes GC-100D Residual Solvents by Headspace Gas Chromatography 1,4-Dioxane, Acetaldehyde, Acetone, Acetonitrile, Acrolein, Benzene, Carbon, Chloroform, Ethanol, Ethyl Acetate, Ethyl Ether, Ethylene Oxide, Hexanes, Isopropyl Alcohol, Isopropyl Ether, Methanol, Methyl Tert-Butyl Ether, Methylene Chloride, Pyridine, Tetrachloride, Tetrahydrofuran, Toluene, Xylenes GC-100H Chemical Analysis: Test Name Test Number Anions and Organic Acids by Suppressed Ion Chromatography Acetate, Chloride, Dichloroacetate, Fluoride, Formate, Glycolate, Propionate, Trifluoroacetate ME-4C Anions by Suppressed Ion Chromatography Acetate, Bromate, Bromide, Chlorate, Chloride, Chlorite, Fluoride, Nitrate, Nitrite, Oxalate, Phosphate, Sulfate, Trifluoroacetate ME-4A Fluoride Ion by Ion-Selective Electrode E9-1 Fourier Transform Infrared Spectroscopy USP <197> FTIR-100

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(A2LA Cert. No. 2777.01) Revised 01/15/2026 Page 3 of 3 Test Name Test Number Loss on Drying S-200 Nitrogen by Ion-Selective Electrode E7-6 Nitrogen by the Kjeldahl Method E7-1 Thermogravimetric Analysis/Differential Scanning Calorimetry TGA-100 Total Ash Content by Muffle Furnace G-45A Total Fluorine by Oxygen Flask Combustion and Ion-Selective Electrode E9-3 Total Halides by Potentiometric Titration E17-1 Water by Coulometric Titration (Karl Fischer) S-300 Water by Volumetric Titration (Karl Fischer) S-301 Water by Volumetric Titration (Karl Fischer) or Coulometric Titration (Karl Fischer) USP <921> Combustion Analysis: Test Name Test Number Carbon, Hydrogen and Nitrogen Determination Using the LECO CHN 628 ME-15 Carbon, Hydrogen, and Nitrogen Determination Using the PerkinElmer2400 Series II CHNS/O Analyzer ME-14 Inorganic Carbon Using Coulometrics, Inc. CM5014 CO2 Coulometer E6-5 Oxygen Content Using Thermo Finnigan Flash 2000 CHNS-O Analyzer E8-4 Sulfur LECO SC-632 Carbon/Sulfur Determinator E16-3 Total Halogens or Total Halides by Microcoulometry ME-13 Total Organic Carbon Using the TOC analyzer EPA Method 415.1 Total Organic Carbon Using the TOC analyzer USP <643> Total Organic Carbon Using the TOC analyzer E6-8