The California Air Resources Board (ARB) has issued TRU Advisory 09-17 explaining the compliance requirements for transport refrigeration units (TRU) based outside California that operate in that state.
TRU Airborne Toxic Control Measure (ATCM) advisories are listed at www.arb.ca.gov/diesel/tru/documents/advisories.htm.
The direct link to TRU Advisory 09-17 is www.arb.ca.gov/diesel/tru/documents/advisory_09_17.pdf.
Additional compliance assistance materials may be found at www.arb.ca.gov/diesel/tru.htm.
The toll-free TRU Help Line is at: 1-888-878-2826.