offices

Main Office
10160 SW Nimbus Avenue
Suite F/8
Tigard, OR 97223-4338
t: 503.624.1100
f: 503.620.3505

East Coast Office
620-G Valley Forge Road
Hillsborough, NC 27278
t: 919.245.3131
f: 919.245.1538

Products & Services

Our products and services are designed to meet the needs of air quality scientists around the world. Our instruments are engineered and manufactured with a level of precision unparalleled in the industry. Our testing services provide prompt and accurate measurements that we stand behind with superior customer service.

Model-4 Semi-Continuous OC/EC Field Analyzer

The newest addition to our product line incorporates the latest advances in electronic and optical technology, along with an optimized oven and detector design for sensitive and reliable field operation. Now with a rugged and more compact design, this OC/EC carbon analyzer is rack mountable! New features include: an easy access panel for filter service and calibration, new safety mechanisms and inline pressure regulators for superior flow control.


Lab OCEC Aerosol Analyzer

The OC/EC Lab instrument has become the industry standard for environmental and workplace monitoring. This model serves as the basis for NIOSH Method 5040 and is fully compliant with the IMPROVE protocol. With a base of more than 100 instruments installed worldwide, Sunset Laboratory is unmatched in experience with OC/EC instrumentation and measurement techniques. There is no comparable instrument on the market today.


Denuders

These Parallel-plate Carbon Filter Denuders remove semi-volatile organic carbon vapors that would result in adsorption artifacts on a following quartz filter.


Quartz Filters

These quartz samples can be used for sample collection. We offer 25mm, 37mm or 47mm filters in petri dishes, and also 37mm filters in three-piece plastic cassette samplers. All of our quartz filters are pre-fired to sterilization and then packaged in the petri dishes or cassettes, at which point they are ready for sample collection.


Testing Services

Sunset laboratory performs analysis of samples from an extensive array of sources and for a wide variety of applications using the lab instruments described on this site. There are further descriptions of the sample analysis method used as well as prices and procedures in the file downloads to the right.