WORCESTER — Good Chemistry of Massachusetts Inc. has been granted the city's first retail license to sell adult-use marijuana here.

The License Commission Thursday approved the retail license by a 2-0 vote. There was no public opposition to the license request.

Good Chemistry currently operates a medical marijuana dispensary at 9 Harrison St., which is where it also intends to sell adult-use marijuana.

As part of its approval, the License Commission included some conditions, most of which are intended to mitigate potential neighborhood impacts.

License commissioners and city officials said they want to avoid the kind of traffic and crowd problems that have occurred in Leicester since an adult-use marijuana establishment opened there last week.

The granting of the retail license is the last local approval Good Chemistry needs for adult-use sales. In August, the Planning Board unanimously approved a special permit to Good Chemistry to allow adult-use sales at the same location of its medical marijuana dispensary.

Mark L. Donahue, a local lawyer representing Good Chemistry, said the company still needs to get final approval for an adult-use sales license from the state Cannabis Control Commission. He noted that Good Chemistry recently received provisional approval from the CCC.

Mr. Donahue said Good Chemistry is currently looking to begin adult-use marijuana sales in March.

"Good Chemistry is here for the long haul, and they want to be a good neighbor," he told the License Commission. "They don't want to have an adverse impact on their neighbors in any fashion."

Mr. Donahue pointed out that Good Chemistry has been operating its medical marijuana dispensary on Harrison Street since Augustus without any complaints from the neighborhood or law enforcement.

He said the company has a robust security plan for its 3,100-square-foot facility and an odor control plan to make sure the business does not negatively impact the neighborhood. there are more than 40 security cameras monitoring activity both inside and outside the store.

In addition, a security guard is on site at all times when the store is open. That person is also responsible for monitoring the parking lot across the street from the business and ensure there is no loitering in that lot or on the sidewalk in front of the store.

Mr. Donahue said it is hard to predict what is going to be required in terms of crowd and traffic control when Good Chemistry begins its adult-use sales. He said that could very well depend on how many more adult-use shops open across the state by then.

He said part of the problem that the town of Leicester has experience since an adult-use establishment opened there last week is that it is one of two such shops on the entire East Coast.

He said what impact, if any, Good Chemistry has on its neighborhood will be part and parcel with how many other licenses are granted by the Cannabis Control Commission.

"We don't expect that we will be the third operator in Massachusetts, but we can't say for sure what the Cannabis Control Commission is going to do," Mr. Donahue said. "What we also want to do is do whatever is necessary to make sure this operation does not have an adverse impact on the neighborhood."

Mr. Donahue said that would include directing customers, with the help of paid police details, to public parking lots, including those not just in the immediate area.

He said one thing that is being considered is directing customers to the Union Station parking garage and having a shuttle service between there and the shop at 9 Harrison St.

"We expect to be very busy at the beginning, but later on in 2019 we think that things will level off, much like it did with medical marijuan," he said.

Deputy City Solicitor Jennifer Beaton said the security plan provided by Good Chemistry meets the requirements of the Cannabis Control Commission.

She did recommend, however, that certain conditions be included as part of the license approval.

They include the submission of a plan to the License Commission, at least two weeks before starting adult-use sales commence, that would include traffic mitigation measures and a parking plan to address potential overflow parking needs.

Mr. Donahue said that plan would be put together working on conjunction with Worcester police.

Another condition is a requirement that there be a paid police detail on site for at least the first 30 days of adult-use sales.

Ms. Beaton also suggested that Good Chemistry be required to provide names of all management-level employees to the License Commission and the Police Department.

Good Chemistry anticipates having gross sales of $4 million a year for adult-use marijuana. Under the terms of the community host agreement it has signed with the city, Good Chemistry will pay the city an annual fee of $120,000, or 3 percent of gross sales, whichever is the bigger number.

Stephen Rolle, director of the city’s Division of Planning and Regulatory Services, said Good Chemistry has gone through a very thorough licensing process, both at the state and local levels.

"We are certainly satisfied that this has been a well vetted operation," he said.

After viewing the 9 Harrison St. shop earlier in the morning, License Commissioner Walter J. Shea said he was very impressed with the Good Chemistry’s medical marijuana operation there, especially its security plan.