Drinking Water Analysis

ESC Lab Sciences is certified for Drinking Water Analysis in 48 states. We offer a wide range of testing, in accordance with the requirements of the Federal, State and National Environmental Laboratory Accreditation Program (NELAP) programs. We are additionally accredited by the Department of Defense ELAP and maintain ISO 17025 via the American Association for Laboratory Accreditation.

Bacteriological

ANALYTES TECHNIQUE DESCRIPTION APPROVED METHOD
Cryptosporidium Filtration/MS/FA EPA 1622
Cryptosporidium Filtration/MS/FA EPA 1623
Total coliform / E. coli ONPG-MUG (Autoanalysis Colilert System) (P-A) SM 9223 B
Total coliform / E. coli Membrane Filter Technique-M-Endo (P-A) SM 9222B
Total coliform / E. coli ONPG-MUG (Colilert System) (quantifiable) SM 9223 B
Heterotrophic plate count Pour Plate SM 9215 B

Inorganic Contaminants

ANALYTES TECHNIQUE DESCRIPTION APPROVED METHOD
Alkalinity Titrimetric Indicator SM 2320 B
Ammonia Automated Phenate SW-846 9056, 9056A
Bromide Ion Chromatography EPA 300.0, EPA 300.1, SM 4110 B
Calcium-hardness Titrimetric, EDTA SM 3500-Ca B (20th ed)
Calcium-hardness Ca as Carbonate EPA 200.7
Chloride Ion Chromatography EPA 300.0, EPA 300.1, SM 4110 B
Chlorine - residual DPD, Colorimetric SM 4500-Cl G
Chromium (VI) Ion Chromatography EPA 218.6
Color Platinum-Cobalt SM 2120 B
Conductivity Conductance SM 2510 B
Cyanide Spectrophotometric, Distill, Amenable SM 4500-CN C, G
Cyanide Spectrophotometric, Distill, Manual SM 4500-CN C, E
Cyanide Spectrophotometric, Distill, Semi -Automated EPA 335.4
Dissolved organic carbon (DOC) Persulfate-UV SM 5310 C
Fluoride Ion Chromatography EPA 300.0, EPA 300.1, SM 4110 B
Foaming agents Methylene Blue SM 5540 C
Nitrate Automated Cadmium Reduction EPA 353.2, SM 4500-NO3 F
Nitrate Ion Chromatography EPA 300.0, EPA 300.1, SM 4110 B
Nitrite Automated Cadmium Reduction EPA 353.2, SM 4500-NO3 F
Nitrite Ion Chromatography EPA 300.0, EPA 300.1, SM 4110 B
Odor SM 2150 B
Orthophosphate Colorimetric SM 4500-P E
Perchlorate Ion Chromatography EPA 314.0
pH Electrometric EPA 150.1, SM 4500-H B
Sulfate Ion Chromatography EPA 300.0, EPA 300.1 SM 4110 B
Total dissolved solids (TDS) Gravimetric At 180 SM 2540 C
Total hardness Hardness By Calculation EPA 200.7, SM 2340 B, SM 3120 B
Total hardness Titrimetric, EDTA SM 2340 C
Total organic carbon (TOC) High Temp. Combustion SM 5310 B
Total organic carbon (TOC) Persulfate-UV SM 5310 C
Total organic halides (TOX) Pyrolysis, Titrimetric SM 5320 B
Turbidity Nephelometric EPA 180.1, SM 2130 B
UV-absorbing compounds Spectrophotometric SM 5910 B

Metals

ANALYTES TECHNIQUE DESCRIPTION APPROVED METHOD
Aluminum ICP EPA 200.7
Antimony ICP/MS EPA 200.8
Arsenic ICP EPA 200.7
Arsenic ICP/MS EPA 200.8
Barium ICP EPA 200.7
Barium ICP/MS EPA 200.8
Beryllium ICP EPA 200.7
Beryllium ICP/MS EPA 200.8
Cadmium ICP EPA 200.7
Cadmium ICP/MS EPA 200.8
Calcium ICP EPA 200.7
Chromium ICP EPA 200.7
Chromium ICP/MS EPA 200.8
Copper ICP EPA 200.7
Copper ICP/MS EPA 200.8
Iron ICP EPA 200.7
Lead ICP/MS EPA 200.8
Magnesium ICP EPA 200.7
Manganese ICP EPA 200.7
Manganese ICP/MS EPA 200.8
Mercury Cold Vapor EPA 245.1
Nickel ICP EPA 200.7
Nickel ICP/MS EPA 200.8
Selenium ICP/MS EPA 200.8
Silica ICP EPA 200.7
Sodium ICP EPA 200.7
Silver ICP EPA 200.7
Silver ICP/MS EPA 200.8
Thallium ICP/MS EPA 200.8
Zinc ICP EPA 200.7
Zinc ICP/MS EPA 200.8

Organic Contaminants

ANALYTES TECHNIQUE DESCRIPTION APPROVED METHOD
Pesticides - Organophosphorus GC, NPD, Extraction EPA 507
EDB, DBCP, TCP GC, ECD, Microextraction EPA 504.1
Haloacetic Acids GC, ECD, Extraction EPA 552.2
Volatile Organic Compounds (Regulated & Unregulated) GC/MS, P & T EPA 524.2