BAY AREA AIR QUALITY MANAGEMENT DISTRICT
Best Available Control Technology (BACT) Guideline

Source Category

Source: Degreaser - Vapor, Open Top Revision: 3
Document #: 54.5
Class: All Date: 06/01/94

Determination

POLLUTANT

 BACT
1. Technologically Feasible/ Cost Effective
2. Achieved in Practice		 TYPICAL TECHNOLOGY
POC 1. Enclosed and vented to carbon adsorption system with VOC outlet concentration <6 ppmva,b,T


2. Emissions <0.09 lb per square foot of exposed solvent area per hour of operationa,b,c,T		 1. Compliance with BAAQMD Reg. 8, Rule 16 for all solvents and quipped w/ automatic hoist, freeboard ratio >1, refrigerated freeboard chiller, and carbon adsorbera,b,c,T
2.  Compliance with BAAQMD Reg. 8, Rule 16 for all solvents and equipped w/ cover designed to minimize disturbance of vapor zone by moving only in plane of degreaser opening, freeboard ratio >1, and refrigerated freeboard chiller @ -10oF a,b,c,T
NOx 1.  n/a
2.  n/a		 1.  n/a
2.  n/a
SO2 1.  n/a
2.  n/a		 1.  n/a
2.  n/a
CO 1.  n/a
2.  n/a		 1.  n/a
2.  n/a
PM10 1.  n/a
2.  n/a		 1.  n/a
2.  n/a
NPOC 1.  Same as for POC above
2.  Same as for POC above		 1.  Same as for POC above
2.  Same as for POC above

References

a.  BAAQMD
b.  BAAQMD A #5259, #388, & #11762
c.  MACT Standard
     Note:  Halogenated hazardous air pollutant (HAP) solvents must also meet the additional MACT requirements of an automated parts handling system (hoist) with speed <11 ft/min.
T.  TBACT