compliance - Page 1 | Plumbing & Mechanical

Guard on Compliance | Misty Guard

New Mexico's Final PFAS Rule Lightens the Label — Not the Timeline

The New Mexico Environmental Improvement Board took industry's simplification requests on labeling seriously — and held the line on almost everything else.

Misty Guard

July 10, 2026

New PFAS labeling requirements could impact product documentation for certain HVAC, refrigeration and plumbing equipment sold in New Mexico.

LG Advances in U.S. Department of Energy's Commercial Building HVAC Technology Challenge

LG’s next-generation heat pump rooftop unit passes lab validation.

May 8, 2026

The company will now begin field trials to demonstrate optimized commercial building performance.

Guard on Compliance | Misty Guard

Navigating the United States perchlorate rulemaking: compliance strategies for the May 2027 final rule deadline

A court-driven mandate is forcing the EPA to regulate perchlorate, reshaping monitoring, treatment and compliance planning for public water systems.

Misty Guard

February 19, 2026

While perchlorate has been on the regulatory radar for decades, this specific action is driven by a complex legal history.

Aerial view of an oil and gas refining petrochemical factory with a high refinery plant manufacturing structure.

Guard on Compliance | Misty Guard

Revisiting “forever chemicals”: EPA updates TSCA PFAS reporting rules

Proposed adjustments could ease reporting requirements while maintaining oversight of high-risk substances.

Misty Guard

January 29, 2026

Proposed adjustments could ease reporting requirements while maintaining oversight of high-risk substances.

Female architect working at her modern studio looking at plans.

Guard on Compliance | Misty Guard

Design for compliance: navigating the next generation of plumbing and mechanical standards

New energy, water and safety standards redefine compliance for mechanical and plumbing professionals.

Misty Guard

November 21, 2025

Staying up to date on consensus standards is essential for system designers, manufacturers, and facilities managers to ensure compliance and minimize liability. Recently, I’ve compiled activities relevant to the plumbing and mechanical industries.

Misty Guard: New beginnings in the new year

New PM Engineer columnist brings expertise in codes and standards, governmental rulemakings, product compliance and more.

Misty Guard

February 1, 2023

Happy 2023, PM Engineer readers! Thank you for spending this part of your day with me as I discuss topics in compliance. Let me introduce myself. I, Misty Guard, am a policy wonk, bibliophile, gastronome, musicophile, techie nerd and scotch whiskey aficionado.