A sample collection system includes a sample collector having a handle with a collection strip retainer and male threaded portion disposed around the retainer, a collection strip extending from the retainer, wherein the collection strip has a pre-determined maximum load for the sample fluid and a sample volume adequacy indicator a transport tube including a coupling to removably receive a transport tube cap and a female threaded portion to removably receive the sample collector male threaded portion, the transport tube including visually discernable graduated scale and being a translucent or transparent and, a predetermined volume of buffer solution disposed within the transport tube cylinder. A method for collecting a fluid sample of adequate volume and known dilution factor is provided utilizing the sample collection system.
