Substance

Concentration and Methods

Duration of Averaging Periods

Most Relevant Effects

.Comments

Vinyl Chloride (Chloroethene CH₂ = CHCl)

0.010 ppm ARB Haagan-Smit Lab Method No. 101 (Tedlar Bag collection gas chromatography)

24 hours

Known human and animal carcinogen

Low-level effects are undefined, but are potentially serious. Level is not a threshold level and does not necessarily protect against harm. Level specified is lowest level at which violation can be reliably detected by the method specified. Ambient concentrations at or above the standard constitute an endangerment to the health of the public.

* Applicable statewide unless otherwise noted.

Note: Authority cited: Sections 39600, 39601(a) and 39606(b), Health and Safety Code. Reference: Section 41700, Health and Safety Code.

History

1. New section filed 6-14-78; effective thirtieth day thereafter (Register 78, No. 24).

2. Amendment filed 11-27-85; effective thirtieth day thereafter (Register 85, No. 48).