Compliance, reliability, and environmental responsibility—sampled and certified.
At Up River Marine, we provide ballast water sampling and testing services in accordance with the U.S. EPA’s Vessel General Permit (VGP) and international ballast water regulations, including the IMO D-2 Standard.
We assist vessel owners and operators in fulfilling their biological and chemical monitoring obligations, especially for vessels equipped with Ballast Water Treatment Systems (BWTS).
What we test
Biological indicators
– Viable organisms in three defined size classes
– Compliance with biological effluent limitations
– Sampling from ballast water discharges using EPA-referenced methods
Residual biocides and byproducts
– Measurement of compounds such as chlorine, hydrogen peroxide, or ozone derivatives
– Compliance with toxicity thresholds under 40 CFR Part 136
– Tested promptly, following prescribed holding times and sensitivity protocols
Sampling schedules covered
– Initial testing: 2 to 5 discharge events depending on type approval status
– Maintenance monitoring: 1 to 4 times per year, depending on system performance
– Samples are tested individually and not averaged
– Minimum 14-day interval between discharge sampling events
– Records must be retained onboard for three years in compliance with VGP Part 4.2
Sampling process
We conduct sample collection directly from ballast discharge lines using recognized techniques. Each test result is independently certified, time-stamped, and delivered in a standardized format suitable for reporting to authorities or internal compliance audits.
Service available in: Argentine ports, Uruguay, Brazil, Zona Común, and offshore anchorages such as Recalada.
We operate 24/7 and ensure fast turnaround with traceable, regulatory-grade documentation.
Dedicated support to oversee your vessel operations—from anchorage to final draft—ensuring safety, coordination, and commercial protection.
Ensure accurate bunker delivery with trusted supervision and detailed reporting—protecting your interests at every transfer point.
Accurate cargo quantity determination through trusted draft surveys—minimizing disputes and protecting your interests.
Trusted maritime surveying and consulting across Argentina, Uruguay, Brazil, and key global ports.
We specialize in bunker quantity surveys, cargo supervision, and regulatory audits—ensuring accuracy, transparency, and peace of mind for shipowners and charterers.
Head Office – Argentina:
US Office:
