Particulate Matter Regulations - Air and Climate Information ...

Articles & Whitepapers

The role of air pollution in Ella Kissi-Debrah’s death – and what comes next

A landmark decision on air pollution In a landmark move, a court has ruled that air pollution made a significant contribution to the death of 9-year old Ella Kissi-Debrah. The importance of this decision is that it marks the first time a person in the UK has had air pollution listed as part of the cause of death. Coroner Philip Barlow ruled that exposure to nitrogen dioxide and particulate ...

New issues in dispersion modeling

Sulfur Dioxide (SO2 ) In 2010, the US EPA finalized a new 1-hour National Ambient Air Quality Standard (NAAQS) for SO2. Since that time, a number of guidance documents have been issued by the US ...

CARB Approves Low-NOx Requirements for Medium and Heavy Duty Trucks

Last Friday, the California Air Resources Board (CARB) approved the Omnibus Low-NOx Rule, requiring new engines and trucks to meet more demanding NOx standards – 75% lower in 2024 and 90% lower in 2027. The rules also lower the standard for ...

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Mobile Cart - Laser Contouring System

Two principle objectives are emphasized in our mobile platform design: SPEED and SIMPLICITY. Fast measurement times are achieved using our laser-based navigation system. Working from three reflectors mounted on the building structure behind the cart, this system automatically measures the cart position relative to the converter and reports position information directly to the LCS computer. The ...