R 101920Z AUG 12

ALCOAST 371/12
COMDTNOTE 4000
SUBJ: UPDATE ALCOAST ADVISORY MESSAGE, COUNTERFEIT REFRIGERANT
(R-134A)
A. COMDT COGARD WASHINGTON DC R171215Z JUL 12/ALCOAST 340/12
1. THE PURPOSE OF THIS ALCOAST IS TO ALERT THE COAST GUARD USER
COMMUNITY OF A MODIFICATION OF THE VERBIAGE TO PARAGRAPH FOUR OF REF
A.
2. IF AN UNAUTHORIZED SUBSTITUTION OF A COUNTERFEIT REFRIGERANT
(R-134A) CONTAINING R-40 IS SUSPECTED TO HAVE BEEN USED DO NOT
OPERATE THE REFRIGERATION SYSTEM(S) UNTIL A REEFER TECHNOLOGY
PROVIDER CERTIFIES THE REEFER SYSTEM TO BE SAFE TO OPERATE.
3. CONTAMINATION CAN BE CHECKED BY USING FLAME HALIDE LAMP TESTS, GAS
SNIFFER TUBE TESTS OR GAS CHROMATOGRAPHY. REPLACEMENT REFRIGERANT GAS
CYLINDERS SHALL BE MARKED WITH THE TEST RESULT AND THE DATE OF
TESTING.
4. POC: JOHN CEPHAS AT (202) 475-5668 OR JOHN.W.CEPHAS (AT) USCG.MIL
5. MR. A. CURRY JR, DEPUTY ASSISTANT COMMANDANT FOR ENGINEERING AND
LOGISTICS SENDS.
6. INTERNET RELEASE AUTHORIZED.