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General Chemistry

OnSite's General Chemistry Department is certified to provide analytical support for environmental monitoring and for cleanup of domestic and industrial wastes. In addition, we offer drinking, surface and saline water analyses. The scope of our general chemistry methods are listed below. We utilize an array of testing equipment including UV Spectrometers, and an assortment of electrochemical probes. The analytical techniques we use include Titrimetry, Colorimetry, Gravimetry, and Ion Specific electrode testing.

Our objective is to provide accurate, legally defensible and timely results to our clients. Our quality assurance program focuses on measuring and verifying laboratory performance, as documented in our Quality Assurance Manual (QAM) and Standard Operating Procedures (SOPs). We also participate in a nationwide proficiency testing program to assure that our laboratory meets or exceeds accuracy and precision standards.

In our efforts to provide a comprehensive range of services, we continue to expand and develop our capabilities and services. OnSite continues to invest in new equipment and to keep abreast of the most recent method developments. If you have questions regarding our capabilities or to discuss methods not listed below, please contact the laboratory.

Methods List:

EPA 120.1 Conductivity
EPA 160.1 Total Dissolved Solids
EPA 160.2 Total Suspended Solids
EPA 160.5 Settleable Solids
EPA 180.1 Turbidity
EPA 310.1/310.2 Alkalinity
EPA 325.1 Chloride
EPA 350.3 Ammonia-Nitrogen
EPA 353.2 Nitraites-Nitrogen
EPA 353.2 Nitrites-Nitrogen
EPA 365.1 Total Phosphorus
EPA 365.1 Ortho Phosphate
EPA 375.4 Sulfate
EPA 1010 Ignitability
EPA 1664 Hexane Extractable Material (HEM)
EPA 9040B/9045C/150.1 pH
EPA 9095 Paint Filter Liquids
SM2340B Hardness