Pengendalian Kualitas Statistik Air Higiene Sanitasi Hasil Water Treatment Plant Menggunakan Peta Kendali Spatial Signed Rank MEWMA (SSRM) dan Peta Kendali Spatial Signed Rank double MEWMA (SSRdM)

Salsabila Hasananda, Wibawati Wibawati
Submission Date: 2022-07-31 21:11:51
Accepted Date: 2023-05-01 00:00:00

Abstract


Unit water treatment plant di PT “X” merupakan unit pengolahan air bersih yang menyediakan, memproduksi, dan menyalurkan air higiene sanitasi sebesar 300 m^3per jam kepada masyarakat. Terdapat lima karakteristik kualitas yang digunakan yaitu tingkat pH air, konsentrasi klorin aktif, kekeruhan (turbidity), total hardness, dan total solid. Proses spesifikasi baku mutu pengolahan air higiene sanitasi PT “X” merujuk pada PERMENKES RI No. 32 Tahun 2017. Data yang digunakan pada penelitian ini adalah karakteristik kualitas produk air higiene sanitasi PT “X” pada bulan Januari 2021 – Desember 2021. Hasil pengujian dependensi dan normal multivariat menunjukkan bahwa pengendalian kualitas air higiene sanitasi dapat dilakukan dengan menggunakan peta kendali SSRM dan peta kendali SSRdM. Hal ini dikarenakan peta kendali SSRM dan peta kendali SSRdM baik digunakan untuk data yang tidak berdistribusi normal multivariat. Peta kendali SSRdM lebih sensitif dalam monitoring rata-rata proses dibandingkan peta kendali SSRM. Terlihat melalui hasil perbandingan pengendalian kualitas air higiene sanitasi menggunakan peta kendali SSRM dan peta kendali SSRdM dengan beberapa nilai pembobot yang menunjukkan bahwa jumlah pengamatan out of control pada peta kendali SSRdM lebih banyak dibandingkan peta kendali SSRM, sehingga dapat dikatakan bahwa peta kendali SSRdM menggungguli peta kendali SSRM dalam monitoring rata-rata proses data air higiene sanitasi hasil water treatment plant di PT “X”.

Keywords


Air Higiene Sanitasi; Pengendalian Kualitas; SSRdM; SSRM

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