JL
John Stewart Lang
San Pedro, CA
Chemical Engineer
Verified Active
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About
John Stewart Lang is a Chemical Engineer licensed to practice in California. The credential is registered under license number 3931 and is currently active. It has been on record since 1982. Licensure is issued and verifiable through the California Board for Professional Engineers, Land Surveyors, and Geologists.
License Verification
License #
3931
Status
Active
State
CA
Expires
Dec 31, 2026
Board
California Board for Professional Engineers, Land Surveyors, and Geologists