Document yk7w69E4GMwMa2K6BQzdz8Yd2

Formerly Environmental Health Associates May 31, 1990 ENSR Health Science' Hasmukh C. Shah, Ph.D. Program Manager Biomedical and Environmental Special Chemical Manufacturers Association 2501 M Street, NW Washington, D.C. 20037 Programs ]320 Harhor Ba\ l'arhv\a\ -Vlameila. California M4.">(11 415-865-1888 RE: Invoice # 03455/Project # 2240-003 (1410006) Dear Has: I have been advised by our collections department that you have a payment still outstanding relative to work that we did on the vinyl chloride project. The original invoice was for $5361.76 and CMA made a partial payment of $4000, leaving an outstanding balance of $1361,76. We would like the remaining balance submitted as soon as possible. If there was a problem with the services provided or if you have other issues that you would like to discuss, please feel free to call me. We would appreciate it if you would expedite payment as promptly as possible. Thank you for your assistance. Sincerely yours, ENSR Health Sciences by: / Otto Wong, Sc.EW, F.A.C.E. Chief Epidemiologist Executive Vice President OW/sy cc: Tony Marcelonis, Acton CMA 100091