PLACER COUNTY AIR POLLUTION CONTROL DISTRICT
RULE 217 - CUTBACK AND EMULSIFIED ASPHALT PAVING MATERIALS
(Adopted 06-19-79; Revised 05-20-85, 09-25-90)
1.1.1 A person shall not discharge to the atmosphere volatile organic compounds (VOC's) caused by the use or manufacture
of Cutback or Emulsified asphalts for paving, road construction or road maintenance, unless such manufacture or
use complies with the provisions of this Rule.
1.2.1 The provisions of Section 3.0 shall not apply to:
1.2.2 The use of cutback asphalt or emulsified asphalt in the manufacturing of paving materials where such materials
are for immediate shipment and eventual use outside of the County of Placer, State of California, and where such
area is designated as attainment for the State and Federal Ozone Standard.
1.2.3 The use of medium cure cutback asphalt during the months of the year when the National Weather Service forecasts
that atmospheric temperature for the 24-hour period following application will not exceed 10o C (50o
2.1 ASPHALT - is defined as a dark brown to black cementitious material (solid, semisolid, or liquid in
consistency) of which the main constituents are bitumens which occur naturally or as a residue of petroleum refining.
2.2 CUTBACK ASPHALT - is defined as paving grade asphalts liquified with petroleum distillate and conforming
to specifications of the American Society for Testing & Materials (ASTM) as follows:
Rapid Cure Type: ASTM D2028
2.3 EMULSIFIED ASPHALT - is defined as any asphalt liquified with water containing an emulsifier.
Medium Cure Type: ASTM D2027
Slow Cure Type: ASTM D2026
2.4 PAVING MATERIAL - is defined as a mixture consisting mainly of an asphalt and aggregate.
2.5 PAVING AND MAINTENANCE OPERATIONS - is defined as all activities involved in the new construction and
maintenance of roadways and parking areas.
3.1 CUTBACK ASPHALT
3.1.1 A person shall not manufacture for sale nor use for paving, road construction or road maintenance any:
3.2 EMULSIFIED ASPHALT
3.1.2 Rapid cure cutback asphalt;
3.1.3 Slow cure cutback asphalt containing organic compounds which evaporate at 260o C (500o
F) or lower as determined by current ASTM Method D402;
3.1.4 Medium cure cutback asphalt except as provided in Section 1.2.
3.2.1 A person shall not manufacture for paving, road construction or road maintenance any emulsified asphalt containing
organic compounds which evaporate at 260o C (500o F) or lower as determined by current ASTM
Method D244, in excess of three percent by volume.
4.1 TEST METHODS
4.1.2 Analysis of Cutback Asphalt samples for VOC content shall be in accordance with current ASTM Method
4.1.3 Analysis of Emulsified Asphalt samples for VOC content shall be in accordance with current ASTM Method
D244, in excess of three percent by volume.
4.2.1 Any person who manufactures or uses cutback asphalts and emulsified asphalts which contain solvents shall
comply with the following requirements:
4.2.2 The manufacturer shall maintain records showing the types and amounts of cutback asphalts and emulsified
asphalts which contain solvents produced and the destination of these products.
4.2.3 The users shall maintain records showing the types, amounts received, and amounts used of cutback asphalts
and emulsified asphalts which contain solvents.
4.2.4 Such records shall be maintained daily and retained and available for inspection by the APCO for the previous
24 month period.
4.2.5 In addition to the recordkeeping requirements as specified herein, all provisions of Regulation IV, Rule
410, when applicable, must still be adhered to.