This business has a solid reputation among its clients. The ratings and feedback show that the service is generally fast and accurate, with many customers praising the helpful staff and ease of communication. However, there is one major concern - the business's operating hours are not reliable. According to multiple reviews, the business is not open during its posted hours, making it difficult for customers to drop off samples or receive results. This issue is a significant drawback, as it can lead to wasted time and money for customers. Despite this issue, the business still manages to maintain a high overall rating, suggesting that its strengths outweigh its weaknesses.