WCA驗廠主要分為以下4個等級：

紅色(0-50分)：非常低標準

　　VERY LOW PERFORMANCE

　　Urgent Action Required

　　Severe concern in facility's readiness to assume responsibilities for managing and monitoring compliance activities

橙色(51-70分)：低等標準，一般在90天后進行跟蹤審核

　　Low Performance

　　Significant Action Required

　　Singnificant concern in facility's readiness to assume responsibilities for managing and monitoring compliance activities

黃色(71-84分)：中等風險的問題部分符合要求，必須于15日內提交糾正計劃(CAP)要求英文填寫，且需在180天后進行跟進審核。

　　Further lmprovement Needed.

　　Moderate concern in facility's readiness to assume responsibilities for managing and monitoring compliance activities

綠色(85-100分)：大部分要求符合

　　High performance

　　meet expectations

　　facility demonstrates readiness to assume responsibilities for managing and monitoring compliance activities