Proficiency Testing - Volatiles on Sorbent Item no. ERA-1001 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 075 (January 30, 2026 - March 16, 2026)AE 076 (May 1, 2026 - June 15, 2026)AE 077 (July 31, 2026 - September 14, 2026)AE 078 (October 30, 2026 - December 14, 2026)AE 079 (January 29, 2027 - March 15, 2027)AE 080 (April 30, 2027 - June 14, 2027)AE 081 (July 30, 2027 - September 13, 2027)AE 082 (October 29, 2027 - December 13, 2027) Add to cart All product details
Proficiency Testing - Semivolatiles on Polyurethane foam (Pair) Item no. ERA-1010 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 075 (January 30, 2026 - March 16, 2026)AE 076 (May 1, 2026 - June 15, 2026)AE 077 (July 31, 2026 - September 14, 2026)AE 078 (October 30, 2026 - December 14, 2026)AE 079 (January 29, 2027 - March 15, 2027)AE 080 (April 30, 2027 - June 14, 2027)AE 081 (July 30, 2027 - September 13, 2027)AE 082 (October 29, 2027 - December 13, 2027) Add to cart All product details
Certified Reference Material - Volatiles on Sorbent Item no. ERA-1101 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Volatiles on Sorbent Item no. ERA-1101QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Semivolatiles on Polyurethane foam (Pair) Item no. ERA-1110 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Semivolatiles on Polyurethane foam (Pair) Item no. ERA-1110QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Organochlorine Pesticides on Polyurethane foam Item no. ERA-1111QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - PCBs on Polyurethane foam Item no. ERA-1112QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Chromium on Filter Paper Item no. ERA-1131QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Hexavalent Chromium in Impinger Solution Item no. ERA-1132QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Hydrogen Halides & Halogens in Impinger Solution Item no. ERA-1140QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Fluoride in Impinger Solution Item no. ERA-1141QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Nitrogen Oxide in Impinger Solution Item no. ERA-1142QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Sulfur Dioxide in Impinger Solution Item no. ERA-1143QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Sulfuric Acid & Sulfur Dioxide in Impinger Solution Item no. ERA-1144QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Ammonia in Impinger Solution Item no. ERA-1145QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Particulate Matter on Filter Paper Item no. ERA-1150QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Particulate Matter in Impinger Solution Item no. ERA-1151QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Demand, clean water (synthetic drinking water matrix) Item no. ERA-1354 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Perchlorate Item no. ERA-1500 Unit 15 mL Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 372 (January 20, 2026 - March 6, 2026)WP 375 (April 20, 2026 - June 4, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 381 (October 16, 2026 - November 30, 2026) Add to cart All product details
QuiKResponse - Oxygen, dissolved in water Item no. ERA-213QR Unit 500 mL Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - New Jersey EPH in Soil Item no. ERA-464 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) SOIL 134 (April 27, 2026 - June 11, 2026)SOIL 136 (October 23, 2026 - December 7, 2026)SOIL 138 (April 26, 2027 - June 10, 2027)SOIL 140 (October 22, 2027 - December 6, 2027) Add to cart All product details
QuiKResponse - PCB Congeners in Wastewater, WP QR Item no. ERA-5370QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - New Jersey EPH in Soil Item no. ERA-564 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - New Jersey EPH in Soil Item no. ERA-564QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - TCLP Volatiles Item no. ERA-730QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - TCLP Organochlorine Pesticides Item no. ERA-732QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - TCLP Semivolatiles Item no. ERA-737QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Low-Level Total Residual Chlorine Item no. ERA-917 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Boron, waste water (WasteWatR TM) Item no. ERA-919 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Nitroaromatics & Nitramines Soil, priority pollutant (PrPollutnT TM) Item no. ERA-920 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Hexavalent Chromium in Soil, priority pollutant (PriorityPollutnT TM) Item no. ERA-921 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Organophosphorus Pesticide (OPP) Soil, priority pollutant (PrPollutnT TM) Item no. ERA-925 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Uranium, potable water (PotableWatR TM) Item no. ERA-930QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Low-Level Mercury, waste water (WasteWatR TM) Item no. ERA-931 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Low-Level Mercury, waste water (WasteWatR TM) Item no. ERA-931QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Low-Level Nitroaromatics & Nitramines, priority pollutant Item no. ERA-932 Unit 2 mL Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 372 (January 20, 2026 - March 6, 2026)WP 375 (April 20, 2026 - June 4, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 381 (October 16, 2026 - November 30, 2026) Add to cart All product details
Proficiency Testing - Organophosphorus Pesticides (OPP), priority pollutant Item no. ERA-934 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 372 (January 20, 2026 - March 6, 2026)WP 375 (April 20, 2026 - June 4, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 381 (October 16, 2026 - November 30, 2026) Add to cart All product details
Proficiency Testing - PFAS Drinking Water, Quarterly (ISO 17034) Item no. ERA-959 Unit 2mL Flame Sealed Ampule Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WS 354 (January 12, 2026 - February 26, 2026)WS 357 (April 13, 2026 - May 28, 2026)WS 360 (July 13, 2026 - August 27, 2026)WS 363 (October 9, 2026 - November 23, 2026)WS 366 (January 11, 2027 - February 25, 2027)WS 369 (April 12, 2027 - May 27, 2027)WS 372 (July 12, 2027 - August 26, 2027)WS 375 (October 8, 2027 - November 22, 2027) Add to cart All product details
Certified Reference Material - pH, waste water (WasteWatR TM) Item no. ERA-977 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - pH, waste water (WasteWatR TM) Item no. ERA-977QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Ignitability/Flash Point, priority pollutant (PriorityPollutnT TM) Item no. ERA-979QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Corrosivity, potable water (PotableWatR TM) Item no. ERA-980 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Corrosivity, potable water (PotableWatR TM) Item no. ERA-980QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Cyanide, potable water (PotableWatR TM) Item no. ERA-983 Unit 15 mL Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Cyanide, potable water (PotableWatR TM) Item no. ERA-983QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Hexavalent Chromium, waste water (WasteWatR TM) Item no. ERA-984 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Hexavalent Chromium, waste water (WasteWatR TM) Item no. ERA-984QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
PFAS Secondary Source Std., Wastewater/Solids Item no. ERA-PFAS10001 Unit 2 mL (ampoule) Analytes Select to compare Price on request - + Add to cart All product details
PFAS Secondary Source Std., Drinking water Item no. ERA-PFAS10002 Unit 2 mL (ampoule) Analytes Select to compare Price on request - + Add to cart All product details