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TATE OF
M
ICHIGAN
DEPARTMENT OF AGRICULTURE
L
ANSING
JENNIFER M. GRANHOLM
GOVERNOR
DAN WYANT
DIRECTOR
April 14, 2004
Mr. James Boyd, Plan Review Specialist
Kent County Health Department
Environmental Health Division
700 Fuller Avenue, N.E.
Grand Rapids, MI 49503
Re: Turbo-Chef Convection / Microwave Oven Models C3/C and NGC
Dear Mr. Boyd:
You requested an evaluation of the Turbo Chef oven model NGC, that is proposed to be
installed in Subway restaurants state-wide. MDA recommends that both model NGC and C3/C
may be installed and used without ventilation in any food establishment as they are UL197SB
listed. These ovens contain an internal filter and vent that has been shown, under proper test
conditions, to emit very little grease (pepperoni pizzas were used in testing).
Preparation in these ovens without additional ventilation should be limited to pizzas, sub
sandwiches, reheating of par-baked or cooked foods, other similar items and baking. Neither
MDA nor the manufacturer recommends cooking raw, fatty protein products (i.e. raw meat) in
these ovens.
Michigan's mechanical code rules (R 408.30935a) specifically exempt from ventilation "listed
factory-built commercial cooking recirculating systems which are tested in accordance with UL
197" and installed per listing and manufacturer's directions. However, a mechanical inspector
may require ventilation if the building has inadequate general ventilation.
If you have any questions please call me at (517) 373-2779.
Sincerely,
Kevin Besey, Supervisor
Food Service Sanitation Section
Food and Dairy Division
cc: James Pool, Turbo Chef
Dave Adams, Assistant Chief, Mechanical Division, BCC, MDCIS
Michigan local Health Departments / MDA Regions
CONSTITUTION HALL
y
P.O. BOX 30017
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LANSING, MICHIGAN 48909
www.michigan.gov
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(517) 373-1104
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