The Lead and Copper Rule Improvements (LCRI) regulation will rely more heavily on using lead and copper testing and monitoring apparatuses. These apparatuses have issues around sampling constraints and lack real-time data on water corrosivity to anticipate the risk of lead/copper corrosion before it happens in homes/schools/daycares. This is where the benefit of real-time lead and copper monitoring in drinking water systems can significantly contribute to a water system’s compliance with the proposed lead and copper action levels outlined in the LCRI. The automatic, unattended online MetalGuard™ analyzer from AMS provides high-frequency, timely, and accurate predictive data to stakeholders on their exposure to lead or copper contamination risks.Read the full article.
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A SafeGuard™ H2O demonstration system with a capacity of 3 gpm (150 mL/minute) was installed onsite for testing at the City of Banning’s Facility Well C2 from June-September 2022. The scope of this demonstration focused on the safe, reliable reduction of Cr6 to Cr3 using SafeGuard™ H2O electrogenerated stannous reagent. The demonstration validated the effectiveness of the SafeGuard™ H2O technology to treat Cr6 and Cr(T) below 10 ppb, granting it conditional acceptance from the California SWRCB Division of Drinking Water for use of the technology by public drinking water systems to treat Cr6 contamination.Read the full article.
The SafeGuard™ H2O arsenic removal treatment system has been evaluated by the City of Alamosa to replace the use of bulk ferric chloride. The evaluation was completed via bench-scale testing and subsequent pilot demonstration; showing the electrogenerated ferrous reagent to achieve reliable arsenic removal below 5 ppb with a ferrous dose of 6.5-8 mg/L. The validation of SafeGuard™ H2O technology to generate a ferrous reagent in-situ via an electrolytic process shows great promise for utilities looking to remove arsenic to low levels and eliminate reliance on hazardous bulk chemicals.Read the full article.
Currently, the EPA is reviewing its MCL recommendations for arsenic since technological advancements such as the SafeGuard™ H2O now make it possible to economically treat to levels of 5 ppb and lower. SafeGuard™ H2O is proven to eliminate arsenic and drastically reduce the cost of removing this toxic contaminant from drinking water supplies. The SafeGuard™ H2O arsenic treatment system generates a ferric reagent in-situ through a simple, effective and sustainable process.Read the full article.
California American Water’s Isleton Water System underwent an evaluation of SafeGuard™ H2O, an intelligent arsenic remediation system manufactured by AMS. This innovative technology generates a ferrous ion reagent in-situ via an electrolytic process to address arsenic contamination. The objective of the project was to demonstrate the ability of the electrogenerated ferrous reagent produced on demand by the SafeGuard™ H2O system to remove arsenic from unchlorinated well water reliably and effectively. The SafeGuard™ H2O system consistently treated arsenic below 10 ppb and the technology’s modular design can be easily integrated with the facility’s existing coagulation/filtration system; replacing the use of liquid ferric chloride and providing the facility with operational and capital savings.Read the full article.
A SafeGuard™ H2O intelligent Cr(VI) remediation system demonstration unit with a treatment capacity of 10 gpm was installed with the City of Los Banos, California to evaluate the performance of the technology to treat Cr(VI) to non-detect levels (under 1 ppb) in unchlorinated well water. SafeGuard H2O is an innovative technology based on a proprietary approach that generates on demand a stannous ion reagent in-situ via an electrolytic process. The pilot with Los Banos provided confirmation of the technology’s efficacy and third-party validation of the SafeGuard H2O system as a cost-effective alternative to traditional Cr(VI) treatment systems. Results are detailed.Read the full article.
Semiconductor manufacturing is not only highly dependent on large volumes of water that must be treated to ultrapure standards, but the process also generates significant volumes of wastewater that contains heavy metals and toxic solvents. To reduce its environmental impact, the semiconductor industry is actively searching for new ways to optimize water consumption and improve the quality of wastewater effluent. AMS offers innovative online real-time, continuous trace metals monitoring solutions designed to aid the semiconductor industry in optimizing water consumption, improving the quality of wastewater effluent and reducing its environmental impact.Read the full article.
The Global Industry Standard on Tailings Management, published in August 2020 by The Global Tailings Review, provides a framework for safe tailings facility management while affording Operators flexibility as to how best to achieve this goal. The Standard strives to achieve the ultimate goal of zero harm to people and the environment with zero tolerance for human fatality.Read the full article.
AMS is committed to bringing intelligent water remediation solutions that can be fully controlled, monitored and optimized remotely, while ensuring that these systems are more accessible to a wider sector of the population through affordable financial models. As such, AMS has offered an official response to a white paper — “Economic Feasibility Analysis in Consideration of a Hexavalent Chromium MCL” — published by the California State Water Board (SWB), who is engaged in a process of consultation to determine at what level the regulatory limit for Cr(VI) should be set. AMS’ position on Cr(VI) regulation and comments to SWB are summarized in this technical brief.Read the full article.
California American Water turned to AMS’s MetalGuard™ fully-automated, online multi-stream Cr(VI) analyzer to have higher visibility of Cr(VI) contaminant levels in real-time and allow them to better monitor and address critical steps in their remediation process.Read the full article.