146.93 µS/cm KCL in Water - 125 mL Item no. ERA-01900 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
100 µS/cm KCL in Water - 1 L (Kit) Item no. ERA-02200 Unit Kit Analytes Select to compare Price on request - + Add to cart All product details
100 µS/cm KCL in Water - 250 mL Item no. ERA-02250 Unit 250 mL Analytes Select to compare Price on request - + Add to cart All product details
100 µS/cm KCL in Water - 500 mL (Kit) Item no. ERA-02300 Unit Kit Analytes Select to compare Price on request - + Add to cart All product details
100 µS/cm KCL in Water - 1 L Item no. ERA-02400 Unit 1 L Analytes Select to compare Price on request - + Add to cart All product details
100 µS/cm KCL in Water - 500 mL Item no. ERA-02500 Unit 500 mL Analytes Select to compare Price on request - + Add to cart All product details
100 µS/cm KCL in Water - 125 mL Item no. ERA-02600 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
Conductivity Validation Kit - 125 mL Item no. ERA-02850 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
Silver - 1000 mg/l, 125 ml Item no. ERA-033 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
Tin - 1000 mg/l, 125 ml Item no. ERA-037 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
Titanium - 1000 mg/l, 125 ml Item no. ERA-038 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
Vanadium - 1000 mg/l, 125 ml Item no. ERA-039 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
Zinc - 1000 mg/l, 125 ml Item no. ERA-040 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
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 - Oil & Grease Concentrate, waste water Item no. ERA-4120 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 371 (December 8, 2025 - January 22, 2026)WP 372 (January 20, 2026 - March 6, 2026)WP 373 (February 16, 2026 - April 2, 2026)WP 374 (March 16, 2026 - April 30, 2026)WP 375 (April 20, 2026 - June 4, 2026)WP 376 (May 18, 2026 - July 2, 2026)WP 377 (June 15, 2026 - July 30, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 379 (August 17, 2026 - October 1, 2026)WP 380 (September 14, 2026 - October 29, 2026)WP 381 (October 16, 2026 - November 30, 2026)WP 382 (November 6, 2026 - December 21, 2026)WP 383 (December 14, 2026 - January 28, 2027) Add to cart All product details
Certified Reference Material - PAH-GC & GCMS Item no. ERA-4882 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Minerals PT (Extra Volume) Item no. ERA-526 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Total Cyanide, waste water Item no. ERA-588 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 371 (December 8, 2025 - January 22, 2026)WP 372 (January 20, 2026 - March 6, 2026)WP 373 (February 16, 2026 - April 2, 2026)WP 374 (March 16, 2026 - April 30, 2026)WP 375 (April 20, 2026 - June 4, 2026)WP 376 (May 18, 2026 - July 2, 2026)WP 377 (June 15, 2026 - July 30, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 379 (August 17, 2026 - October 1, 2026)WP 380 (September 14, 2026 - October 29, 2026)WP 381 (October 16, 2026 - November 30, 2026)WP 382 (November 6, 2026 - December 21, 2026)WP 383 (December 14, 2026 - January 28, 2027) Add to cart All product details
Proficiency Testing - Surfactants-MBAS, waste water Item no. ERA-892 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 372 (January 20, 2026 - March 6, 2026)WP 374 (March 16, 2026 - April 30, 2026)WP 375 (April 20, 2026 - June 4, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 380 (September 14, 2026 - October 29, 2026)WP 381 (October 16, 2026 - November 30, 2026) Add to cart All product details
Proficiency Testing - Turbidity, waste water Item no. ERA-893 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 371 (December 8, 2025 - January 22, 2026)WP 372 (January 20, 2026 - March 6, 2026)WP 373 (February 16, 2026 - April 2, 2026)WP 374 (March 16, 2026 - April 30, 2026)WP 375 (April 20, 2026 - June 4, 2026)WP 376 (May 18, 2026 - July 2, 2026)WP 377 (June 15, 2026 - July 30, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 379 (August 17, 2026 - October 1, 2026)WP 380 (September 14, 2026 - October 29, 2026)WP 381 (October 16, 2026 - November 30, 2026)WP 382 (November 6, 2026 - December 21, 2026)WP 383 (December 14, 2026 - January 28, 2027) Add to cart All product details
Proficiency Testing - Total Organic Halides (TOX), waste water Item no. ERA-895 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 - Hexavalent Chromium, waste water Item no. ERA-898 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 371 (December 8, 2025 - January 22, 2026)WP 372 (January 20, 2026 - March 6, 2026)WP 373 (February 16, 2026 - April 2, 2026)WP 374 (March 16, 2026 - April 30, 2026)WP 375 (April 20, 2026 - June 4, 2026)WP 376 (May 18, 2026 - July 2, 2026)WP 377 (June 15, 2026 - July 30, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 379 (August 17, 2026 - October 1, 2026)WP 380 (September 14, 2026 - October 29, 2026)WP 381 (October 16, 2026 - November 30, 2026)WP 382 (November 6, 2026 - December 21, 2026)WP 383 (December 14, 2026 - January 28, 2027) Add to cart All product details
QuiKResponse - Organophosphorus Pesticide (OPP) Soil, priority pollutant (PrPollutnT TM) Item no. ERA-925QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Carbamate Pesticides in Soil, priority pollutant (PriorityPollutnT TM) Item no. ERA-926QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Glycols in Soil Item no. ERA-928QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Uranium, potable water (PotableWatR TM) Item no. ERA-930 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
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
Certified Reference Material - Ignitability/Flash Point, priority pollutant (PriorityPollutnT TM) Item no. ERA-979 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
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
Chloride - 1000 mg/l, 500 ml Item no. ERA-988 Unit 500 mL Analytes Select to compare Price on request - + Add to cart All product details
Fluoride - 1000 mg/l, 500 ml Item no. ERA-989 Unit 500 mL Analytes Select to compare Price on request - + Add to cart All product details
Nitrite as Nitrogen (N) - 1000 mg/l, 500 ml Item no. ERA-990 Unit 500 mL Analytes Select to compare Price on request - + Add to cart All product details
Nitrate as Nitrogen (N) - 1000 mg/l, 500 ml Item no. ERA-991 Unit 500 mL Analytes Select to compare Price on request - + Add to cart All product details
Nitrate as Nitrate (NO3) - 1000 mg/l, 500 ml Item no. ERA-992 Unit 500 mL Analytes Select to compare Price on request - + Add to cart All product details
Phosphate as Phosphorous (P) - 1000 mg/l, 500 ml Item no. ERA-993 Unit 500 mL Analytes Select to compare Price on request - + Add to cart All product details
Phosphate as Phosphate (PO4) - 1000 mg/l, 500 ml Item no. ERA-994 Unit 500 mL Analytes Select to compare Price on request - + Add to cart All product details
Sulfate - 1000 mg/l, 500 ml Item no. ERA-995 Unit 500 mL Analytes Select to compare Price on request - + Add to cart All product details
Total Kjeldahl-Nitrogen (TKN) - 1000 mg/l, 500 ml Item no. ERA-996 Unit 500 mL Analytes Select to compare Price on request - + Add to cart All product details
Free Cyanide - 1000 mg/l, 500 ml Item no. ERA-997 Unit 500 mL Analytes Select to compare Price on request - + Add to cart All product details
Complex Cyanide - 1000 mg/l, 500 ml Item no. ERA-998 Unit 500 mL Analytes Select to compare Price on request - + Add to cart All product details
Sulfide 1000 mg/L Item no. ERA-999 Unit 10 mL Analytes Select to compare Price on request - + Add to cart All product details
Bismuth - 1000 mg/l, 125 ml Item no. ERA-K01 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
Lithium - 1000 mg/l, 125 ml Item no. ERA-K04 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
Yttrium - 1000 mg/l, 125 ml Item no. ERA-K08 Unit 125 mL 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
ICP-MS Major Cations Item no. ERA-TMS002 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details