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Source Testing

The testing of emissions for criteria pollutants, toxic air contaminants, hazardous air pollutants (HAP) or visible emissions (opacity) from process equipment is a critical component of compliance determinations and emission factor development activities.  These testing requirements may involve detailed interaction with regulatory agencies to obtain test method and measurement procedure approvals.

Control Device Performance

Verification of control device performance is often required as a condition of state operating permits or federal emission standards.  Performance verifications have been performed for a variety of pollution control device systems including catalytic and thermal oxidizers, concentrators, wet scrubbers, baghouses and electrostatic precipitators.  

Ambient Air Monitoring / Sampling

Regulatory agencies often require ambient air measurements of emissions impacts to establish the range and duration of air pollutant concentrations to which the public may be exposed.  Multiple ambient air monitoring programs have been implemented and are operated to measure meteorological parameters, and particulates and gaseous pollutants.



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Field Services

Derenzo Environmental provides the following testing and measurement services:

Providing proactive compliance strategies and testing services to the regulated community since 1989.

Derenzo Environmental Services
Consulting and Testing


Relevant Links

USEPA air testing methods

Solid waste (SW-846) methods

SCAQMD test methods

USEPA Region 5 home

Continuous emission monitoring