Comprehensive soil analysis tools including heavy metal contamination check (Thai PCD standards), pH classification, NPK analysis, CEC, organic matter, texture, and salinity assessment.
Check soil contamination against Thai PCD standards
Thai PCD limit for Lead: 400 mg/kg (residential)
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The Pollution Control Department (กรมควบคุมมลพิษ) of Thailand has established soil contamination standards based on land use type. These standards help determine if soil is safe for residential, industrial, or agricultural use.
Reference: ประกาศกรมควบคุมมลพิษ พ.ศ. 2547
The soil texture triangle is a diagram used to classify soil based on the relative proportions of sand, silt, and clay particles. It helps determine water retention, drainage, and nutrient-holding capacity.
Reference: USDA Soil Survey Manual