ProQuality Lab is an ISO/IEC 17025* accredited analytical testing laboratory. A multi-faceted company, PQL is small enough to be flexible to our client's needs yet with experience to handle difficult larger projects. We are a leading testing company for pesticide residue on wood products. Our reach has included samples from Asia, Europe, South and Central America and the United States. Many of our customers are Fortune 500 companies and we enjoy long relationships with them. *for environmental testing