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MIRATECH Solutions Guide

MIRATECH is the expert in providing fully integrated, proven exhaust compliance solutions for anyone using industrial engines in a Power Generation, Gas Compression and Mechanical Drives.

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  1. Gas Compression
  2. Power Generation
  3. Rail
  4. NESHAP Regulations
  5. Industrial
  6. Air Compression
  7. Liquids Pumping
  8. Bio-Gas
  9. Greenhouse CO2 Enrichment
  10. Industrial Marine

Engine Type

  1. Bi-Fuel Diesel and Natural Gas
  2. Diesel
  3. Natural Gas Lean Burn
  4. Natural Gas Rich Burn

Noise Control

  1. Yes
  2. No

Engine Size

  1. 20 to 200 hp
  2. 200 to 1350 hp
  3. 1350 to 10,000 hp
  4. 10,000 hp and above

Regulated Pollutants

  1. NOx
  2. NO2
  3. CO
  5. HAP's
  6. Particulate Matter (PM)

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Mojave Desert AQMD proposes RACT changes to IC engines >500 bhp.

December 28, 2017

California’s Mojave Desert Air Quality Management District (MDAQMD) is scheduled to consider adoption of amendments to Rule 1160 – Internal Combustion Engines on January 22, 2018 according to a December 21, 2017 Trinity Consultants report.

This proposed rule change is to satisfy federal Clean Air Act requirements for ozone non-attainment areas to implement Reasonably Available Control Technology (RACT) for major sources of VOC and NOx. The rule amendments also satisfy state PM control measure requirements.

Rule 1160 regulates NOx, VOC, and CO emissions from Internal Combustion Engines that are greater than 500 bhp. The rule update will lower the NOx limit for Spark-Ignited, Lean Burn Engines from 140 ppmv to 125 ppmv and will substantially reduce the NOx limit of Compression-Ignited Engines from 700 ppmv to 80 ppmv.

This proposed rule change will affect many existing internal combustion engines covered by 23 existing permits, most of which are held at two existing PG&E and Southern California Gas facilities; these include five existing engines currently in compliance with the proposed rule updates.

Note that these changes do not apply to portable, emergency, or agricultural operation engines. MDAQMD is requiring that engines installed with Emission Control Equipment to meet the new NOx limit also provide continuous measurement and recording of emission control system operating parameters. The requirement for compliance testing every 12 months remains unchanged. Facilities must keep records on site for a minimum of 5 years.

What this means to you
California’s Mojave Desert Air Quality Management District is scheduled to consider adoption of amendments to Rule 1160 – IC engines >500 bhp – on January 22nd. The rule lowers the NOx limit for SI lean burn engines from 140 ppmv to 125 ppmv and CI engines from 700 ppmv to 80 ppmv.

MIRATECH can help
Contact MIRATECH for stationary engine emission control of NOx, CO, VOCs and particulate matter.