Document xjZ8LDV7RRVjDw0wpqwwKBBQ0

FRANK P. SIMONEAUX SECRETARY B. JIM PORTER ASSISTANT SECRETARY ROUTE TO: _------------COPIES TO: ---------------- FILE: DEP\R1 ML NT OF NATURAL RESOURCES OFFICE OF ENVIRONMENTAL AFFAIRS AIR QUALITY DIVISION June 2, 1983 GUSTAVE VON BODUNGEN PROGRAM ADMINISTRATOR RECEIVED ilw Ofi isfn Mr. M. G. Hayes Conoco Chemicals Company P. 0. Box 727 Westlake, LA 70669 Dear Sir: Since your company is a vinyl chloride source in the State of Louisiana, and subject to the National Emission Standards for Hazardous Air Pollutants (NESHAP), the Air Quality Division would like to inform you of recent rulemaking published in the Federal Register, Test methods 106 and 107 for vinyl chloride were revised on September 7, 1982. The major change in these methods was the inclusion of. procedures for auditing gas mixtures and field auditing of gas chromatograph analysis. Method 107 was also changed to include a procedure for head space vial pre-pressurization. In addition, test method 107A for vinyl chloride was promulgated on September 8, 1982. This is an alternative method which applies to the measure ment of vinyl chloride content of solvents, resin solvent solutions, polyvinyl chloride resin, wet cake slurries, latex, and fabricated resin samples, Should you have any questions concerning these test methods, please contact William Newman at (504) 342-1206. Sincerely, TC/WN/bs Thomas Coerver Program Manager, Surveillance cc: William H. Taylor, Jr. Chief Technical Section, Air Branch (6 AW) U.S. Environmental Protection Agency Region VI 1201 Elm St. Dallas, TX 75270 VVC 000014069 P-Q- BOX 44066 BATON ROUGE. LOUISIANA 70804 PHONE P4/34_2-_l20S.