Wash. Admin. Code Northwest Clean Air Agency, 600, 603

Current through Register Vol. 24-23, December 1, 2024
Section 603 - AMBIENT AIR QUALITY OBJECTIVES

603.1

Particulates

AREA

#1

#2

#3

603.11 Suspended Particulates (PM10) [MICRO]g/m3 Sampling period - 24 hrs

50% of annual values less than

40.

50.

65.

84% of annual values less than

60.

75.

100.

603.12 Settleable Particulates g/m2/mo Sampling Period - 30 days

50% of annual values less than

030.

045.

060.

84% of annual values less than

035.

055.

120.

603.2

Sulfur Dioxide (ppm by volume)

Sampling period - 24 hours

50% of annual values less than

0.1

0.1

0.15

Sampling period - one hour

95% of annual values less than

0.25

0.30

0.40

603.3

Sulfur Acid Mist (mg/m3)

Sampling period - 24 hours

50% of annual values less than

0.1

0.1

0.15

603.4

Hydrogen Sulfide (ppm by volume)

Sampling period - two hours

50% of annual values less than

0.04

0.06

0.10

603.5

Total Oxidants (ppm by volume)

Sampling period - one hour

50% of annual values less than

0.1

0.15

0.15

603.6

Fluorides (ppm by volume as HF)

Sampling period - 24 hours

50% of annual values less than

0.001

0.001

0.002

603.7

Carbon Monoxide (24 hour average)

5 ppm

603.8Smoke. The ambient air shall not contain visible smoke which is inconsistent with the economic or social well-being of the community or which will prevent enjoyment and use of property. The ambient air shall not contain materials in an amount such that the Coefficient of Haze will exceed 0.5 COH's per one thousand (1000) linear feet of air. The degree of haze present in the ambient air shall be referred to as the Soling Index.
603.9Odorous Substances. The ambient air shall not contain odorous substances in such concentrations or of such duration as will threaten health or safety or prevent the enjoyment and use of property.
603.10Radioactive Substances. The ambient air shall not contain any radioactive substances in concentrations which are deleterious, either directly or indirectly, to human health or which affect the economic or social well-being of the community.
603.11Other Toxic or Deleterious Substances. The ambient air shall not contain toxic or deleterious substances, in addition to those specifically listed in these objectives, in concentrations and durations which have been demonstrated to adversely affect human health or well-being, or unreasonably and adversely affect plant or animal life.

Wash. Admin. Code Northwest Clean Air Agency, 600, 603

PASSED: January 8, 1969 AMENDED: April 14, 1993