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To date, the self-service/vendor-assisted and other regulations have resulted in reductions in most cities, and substantial reductions in several cities, in the rate of over-the-counter sales of tobacco products to minors from retail stores.

The impact of these ordinance regulations were measured by STAMP conducting pre-ordinance tobacco buying attempt surveys by minors and post-ordinance tobacco buying attempt surveys by minors in 16 cities of the total of 26 jurisdictions which enacted the regulations. These underage tobacco buying surveys were approved and supported by local law enforcement officials. Only 15 and 16 year olds participated in these surveys. Each survey followed exactly prescribed protocols and procedures in order to gather consistent survey data.

With the exception of Santa Rosa and Vallejo, the pre- and post-ordinance surveys in each city included all retail stores that sell tobacco products, including convenience stores, liquor stores, small "mom and pop" grocery stores, gas station mini-marts, supermarkets, chain drug stores, pharmacies and deli's. In Santa Rosa and Vallejo, a 50% randomly selected sample of retail stores were surveyed which included all the above types of stores.

The pre-ordinance survey established a baseline rate of tobacco sales to minors in each jurisdiction that was measured against the post-ordinance survey rate. Post-ordinance surveys were conducted at approximately six month to twelve month intervals after the self-service/vendor-assisted and other regulations went into effect.

To date, the survey results have found the following rates of tobacco sales to minors:

COUNTY	Pre-Ordinance	1st Post- Ordinance	2nd Post- Ordinance	3rd Post- Ordinance	Number of stores
City Surveyed	Sales Rate	Sales Rate	Sales Rate	Sales Rate
MARIN
Larkspur	67%	18%	53%	0%	15
Mill Valley	40%	12%	25%	12%	12
San Anselmo	73%	NA	8%	33%	13
San Rafael	45%	16%	41%	20	18
Sausalito	100%	76%	60%	20%	18
Tiburon	62%	0%	34%	0%	13
Fairfax	25%	18%	0%	0%	11
MENDOCINO
Fort Bragg	71%	31%	15%	15%	17
Ukiah	53%	4%	10%	10%	23
NAPA
Napa	50%	9%	3%	3%	57
SOLANO
Vallejo	13%	31%	32%	13%	45
SONOMA
Cotati	64%	23%	15%	15%	13
Healdburg	8%	6%	12%	4%	17
Santa Rosa	43%	15%	26%	15%	69
Sebastopol	53%	13%	13%	8%	15
Petaluma	12%	20%	18%	18%	42

As the survey data clearly shows, there was a general overall reduction in tobacco sales to minors after the enactment and implementation of the comprehensive youth access and self-service/vendor-assisted regulations, especially in the larger cities in the region: Santa Rosa, Napa and Ukiah.

Although we believe the self-service/vendor-assisted regulations may be the primary factor contributing to these overall reductions, we also believe other factors contributed to the reductions. These factors are post-ordinance merchant education on the regulations, merchant awareness of ongoing ordinance regulations compliance checks and underage tobacco buying surveys conducted by STAMP, the California STAKE Act, and other factors (i.e. California counter advertising media campaign TV and radio ads). We believe the cumulative effect of these factors produced the overall reductions in underage tobacco sales.

There has been varying degrees of law enforcement or city code enforcement follow-up actions targeting retailers whose stores were found in noncompliance with the ordinance regulations, as well as stores that sold tobacco to minors in the underage tobacco buying surveys in each of the fifteen cities. These follow up actions have mostly consisted of warning letters or site visits from enforcement officials to retail stores. The Santa Rosa police department have conducted some tobacco sting operations targeting stores that sold tobacco to minors in the buying surveys.