MACS Lab Logo Call 1-800-MACS LAB MACS Lab Logo Analytical and
Environmental Services
Material Analysis and Characterization Service
MACS Lab, Inc.
431 Crown Point Circle, Suite 120
Grass Valley, CA 95945-9531
1-800 MACS LAB, 1-800-622-7522
(530) 274-1470
Fax (530) 274-1636
Green Certified

Lead Testing

MACS Lab does lead testing for both Contractors and Homeowners

Services for Contractors

MACS Lab offers accredited, timely lead analysis at very competitive prices. MACS Lab’s accreditations are your assurance that the lab follows prescribed procedures for analysis and quality assurance, so you know you are getting accurate results. Our easy-to-read reports meet all requirements of the accrediting bodies. Submit samples here. We offer the following types of analysis:

  • Lead in Paint (7400/7420) (ELLAP accredited)
  • Lead in Soil (EPA SW-846 7420) (ELLAP accredited)
  • Lead in Air (NIOSH 7082) (ELLAP accredited)
  • Lead in Dust (Wipe) (NIOSH 9100) (ELLAP accredited)
  • TCLP and STLC extractions of bulk materials (CDPH ELAP accredited)
  • We also Calibrate Rotometers


MACS Lab is accredited by AIHA Laboratory Accreditation Programs, LLC under their Environmental Lead Laboratory Accreditation Program (ELLAP) (laboratory ID 101786) to perform analysis for lead in soil, paint, air, and dust by Atomic Absorption Spectroscopy. You can view our Accreditation certificate online. The EPA recognizes the AIHA-LAP, LLC program as meeting the requirements of the National Lead Laboratory Accreditation Program (NLLAP).

MACS Lab participates in the California Department of Public Health (CDPH) Environmental Laboratory Accreditation Program (ELAP) and has received certificate number 2027. We are accredited for both Toxicity Characteristic Leaching Procedure (TCLP, EPA 1311) and Soluble Threshold Limit Concentration (STLC) (also known as Waste Extraction Test (WET, CCR Title 22 Chapter 11 Division 4.5 Article 5 appendix II)) extractions (FOT 115). The extractant can then be tested for lead or other metals.