Welcome to Sunset Laboratory Inc.

aerosol analysis

Sunset Laboratory Inc. is a pioneer in the field of organic carbon and elemental carbon (OC-EC) aerosol analysis and was founded in 1984 by Bob Cary. Read More

Our instruments are used by federal and state government, academic researchers, and private sector industries including: aviation, mining, marine, astronomy, construction, and weather research. Our equipment is suitable for the laboratory or in the field, and ready for use with the NIOSH method 5040, IMPROVE and EUSAAR 2 protocols.

Along with the classic Sunset OC-EC instrumentation for discreet filter measurements Sunset Labs also provides a semi-continuous OC-EC analyzer for near real-time, in-situ measurement of carbon aerosol.

Read more about our Model-4 Semi-Continuous OC/EC Field Analyzer. Read More

Read more about our Lab OCEC Aerosol Analyzer. Read More

Our scientists provide expert analysis of OC-EC samples collected on quartz-fiber or glass-fiber filters.

Our unrivaled customer support includes equipment installation, maintenance, and quality assurance.

Our Products

Lab OC-EC Aerosol Analyzer

Lab OC-EC Aerosol Analyzer

The Lab OC-EC Aerosol Analyzer is the industry standard for environmental and workplace monitoring. This instrument uses a proven thermal-optical method to analyze for OC-EC … [Read More...]



Our Parallel-plate Carbon Filter Denuders remove semi-volatile organic carbon vapors. Without Denuders, absorption artifacts will be present on a following quartz filter. … [Read More...]

Quartz Filters

Quartz Filters

Our quartz filters are pre-fired  and then packaged in Petri dishes or cassettes, and are ready for sample collection. We offer 25mm, 37mm, or 47mm filters in Petri dishes. We also … [Read More...]

Sample Analysis

Sample Analysis

Our scientists can analyze quartz-fiber and glass-fiber filter samples from an extensive array of sources and for a wide variety of applications using Sunset Laboratory … [Read More...]


Contact Us

Please use this form to contact Sunset Laboratory. Your privacy is important to us; your information will not be shared with outside parties. Required fields are indicated in red. … [Read More...]


107th A&WMA Conference

June 23, 2014 We will be at the 107th A&WMA Conference in Long Beach, California this June 23rd thru the 27th.  Come discuss organic/elemental carbon aerosol with us in … [Read More...]

2014 EPA NAAM Conference

August 11, 2014 Sunset Lab will be in booth 38 at the 2014 EPA NAAM Conference this August 11th thru the 14th, which will be at the Atlanta Marriott Marquis hotel. Put on … [Read More...]