# Environmental Test Systems, Inc.

- Location (FDA's records): Elkhart, IN
- FDA decisions: 8 (1997–2003): 8 510(k) clearances
- Product codes: MSY (5), FKP (1), LIF (1), MNV (1)
- Predicates its devices cite: 0 (0 its own); citations of its devices by later devices: 2 (0 its own)
- Recalls linked to its devices: 5 (0 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Firms that cite its devices most
- Hach Company: 1 (https://510kreport.com/company/hach)
- Serim Research Corp.: 1 (https://510kreport.com/company/serim-research)

## Its most-cited devices
- K983997: Sterichek Total Chlorine Test Kit (1999), cited by 1
- K001194: Sterichek Total Chlorine Reagent Strips (2000), cited by 1

## Recent decisions
- K031267: Sterichek Bicarb PH Reagent Strips (Dec 23, 2003)
- K003615: Sterichek Sensitive-Feed Water and Rinse Water Reagent Strips (Feb 1, 2001)
- K001194: Sterichek Total Chlorine Reagent Strips (Jul 11, 2000)
- K994226: Sterichek Total Chlorine Reagent Strips (Mar 22, 2000)
- K983997: Sterichek Total Chlorine Test Kit (Apr 2, 1999)
- K980164: Sterichek Peracetic Acid Reagent Strips (Apr 16, 1998)
- K974798: Sterichek (TM) Residual Peroxide Reagent Strps (Mar 20, 1998)
- K971598: Sterichek Chlorine Reagent Strips (Jul 18, 1997)

Source page: https://510kreport.com/company/environmental-test-systems